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5 **Collection of reference papers for FLASH1 and FLASH2 beamlines and instruments.**
6
7 **Last update:** {{date value="2023-04-06" format="yyyy-MM-dd"/}}
8
9 **In case of multiple references, the most complete or up-to-date is 1st.**
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34 = FEL Accelerator Part =
35
36 1. W. Ackermann et al.,
37 //Operation of a Free Electron Laser in the Wavelength Range from the Extreme Ultraviolet to the Water Window//,
38 Nature Photonics **1**, 336-342 (2007);
39 [[http:~~/~~/dx.doi.org/10.1038/nphoton.2007.76>>url:http://dx.doi.org/10.1038/nphoton.2007.76||shape="rect"]]
40
41 **FLASH2 and other recent developments:**
42
43 1. B. Faatz et al.,
44 //Simultaneous operation of two soft x-ray free-electron lasers driven by one linear accelerator//,
45 New J. Phys. **18**, 062002 (2016);
46 [[http:~~/~~/dx.doi.org/10.1088/1367-2630/18/6/062002>>url:http://dx.doi.org/10.1088/1367-2630/18/6/062002||shape="rect"]]
47 1. B. Faatz, M. Braune, O. Hensler, K. Honkavaara, R. Kammering, M. Kuhlmann, E. Ploenjes, J. Roensch-Schulenburg, E. Schneidmiller, S. Schreiber, K. Tiedtke, M. Tischer, R. Treusch, M. Vogt, W. Wurth, M. Yurkov and J. Zamella,
48 //The FLASH Facility: Advanced Options for FLASH2 and Future Perspectives//,
49 Appl. Sci. **7**, 1114 (2017);
50 [[http:~~/~~/dx.doi.org/10.3390/app7111114>>url:http://dx.doi.org/10.3390/app7111114||shape="rect"]]
51 1. J. Rönsch-Schulenburg, B. Faatz, K. Honkavaara, M. Kuhlmann, S. Schreiber, R. Treusch,
52 //Experience with Multi-Beam and Multi-Beamline FEL-Operation//,
53 Proc. IPAC17, Copenhagen, Denmark (2017),
54 J.Phys.: Conf. Ser. **874**, 012023 (2017);
55 [[http:~~/~~/dx.doi.org/10.1088/1742-6596/874/1/012023>>url:http://dx.doi.org/10.1088/1742-6596/874/1/012023||shape="rect"]]
56 1. S. Toleikis for the whole FLASH team,
57 //The FLASH facility - current status in 2018 and future upgrade plans//,
58 AIP Conf. Proc. **2054**, 030015 (2019);
59 [[http:~~/~~/dx.doi.org/10.1063/1.5084578>>url:http://dx.doi.org/10.1063/1.5084578||shape="rect"]]
60
61 == FEL machine diagnostics ==
62
63 **a) Longitudinal FEL beam diagnostics (PolariX (1.) and LOLA (2.))**
64
65 1. B. Marchetti, A. Grudiev, P. Craievich, R. Assmann, H.‑H. Braun, N. Catalan Lasheras, F. Christie, R. D’Arcy, R. Fortunati, R. Ganter, P. González Caminal, M. Hoffmann, M. Huening, S. M. Jaster‑Merz, R. Jonas, F. Marcellini, D. Marx, G. McMonagle, J. Osterhoff, M. Pedrozzi, E. Prat Costa, S. Reiche, M. Reukauff, S. Schreiber, G. Tews, M. Vogt, S. Wesch & W. Wuensch,
66 //Experimental demonstration of novel beam characterization// //using a polarizable X‑band// //transverse deflection structure//,
67 Scientific Reports **11**,3560 (2021);
68 [[https:~~/~~/doi.org/10.1038/s41598-021-82687-2>>url:https://doi.org/10.1038/s41598-021-82687-2||shape="rect"]]
69 1. C. Behrens, N. Gerasimova, Ch. Gerth, B. Schmidt, E. A. Schneidmiller, S. Serkez, S. Wesch, and M. V. Yurkov,
70 Constraints on photon pulse duration from longitudinal electron beam diagnostics at a soft x-ray free-electron laser,
71 Phys. Rev. ST Accel. Beams **15**, 030707 (2012)
72 [[https:~~/~~/doi.org/10.1103/PhysRevSTAB.15.030707>>url:https://doi.org/10.1103/PhysRevSTAB.15.030707||shape="rect"]]
73
74 **b) Synchronization and Electron Bunch Arrvial time Monitor (BAM)**
75
76 1. S. Schulz, I. Grguraš, C. Behrens, H. Bromberger, J.T. Costello, M.K. Czwalinna, M. Felber, M.C. Hoffmann, M. Ilchen, H.Y. Liu, T. Mazza, M. Meyer, S. Pfeiffer, P. Prędki, S. Schefer, C. Schmidt, U. Wegner, H. Schlarb & A.L. Cavalieri,
77 //Femtosecond all-optical synchronization of an X-ray free-electron laser//,
78 Nature Communications **6**, 5938 (2015);
79 [[__http:~~/~~/dx.doi.org/10.1038/ncomms6938__>>url:http://dx.doi.org/10.1038/ncomms6938||shape="rect"]]
80 1. (((
81 (% class="pub-info" %)
82 A. Angelovski, et al.
83 //Evaluation of the cone-shaped pickup performance for low charge sub-10 fs arrival-time measurements at free electron laser facilities//
84 Phys. Rev. ST Accel. Beams **18**, 012801 (2015)
85 [[https:~~/~~/doi.org/10.1103/PhysRevSTAB.18.012801>>url:https://doi.org/10.1103/PhysRevSTAB.18.012801||shape="rect"]]
86 )))
87
88 ----
89
90 = User Facility/Beamline descriptions and Reviews =
91
92 1. K. Tiedtke, A. Azima, N. von Bargen, L. Bittner, S. Bonfigt, S. Düsterer, B. Faatz, U. Frühling, M. Gensch, Ch. Gerth, N. Guerassimova, U. Hahn, T. Hans, M. Hesse, K. Honkavaara, U. Jastrow, P. Juranic, S. Kapitzki, B. Keitel, T. Kracht, M. Kuhlmann, W. B. Li, M. Martins, T. Núñez, E. Plönjes, H. Redlin, E. L. Saldin, E. A. Schneidmiller, J. R. Schneider, S. Schreiber, N. Stojanovic, F. Tavella, S. Toleikis, R. Treusch, H. Weigelt, M. Wellhöfer, H. Wabnitz, M. V. Yurkov and J. Feldhaus,
93 //The soft X-ray free-electron laser FLASH at DESY: beamlines, diagnostics, and end stations//,
94 New J. Phys. **11**, 023029 (2009);
95 [[http:~~/~~/dx.doi.org/10.1088/1367-2630/11/2/023029>>url:http://dx.doi.org/10.1088/1367-2630/11/2/023029||shape="rect"]]
96
97 **Reviews**
98
99 1. Jörg Rossbach, Jochen R. Schneider, Wilfried Wurth,
100 //10 years of pioneering X-ray science at the Free-Electron Laser FLASH at DESY//,
101 Physics Reports **808**, 1-74 (2019);
102 [[https:~~/~~/doi.org/10.1016/j.physrep.2019.02.002>>url:https://doi.org/10.1016/j.physrep.2019.02.002||shape="rect"]]
103 1. Jochen R. Schneider,
104 //FLASH - from accelerator test facility to the first single-pass soft x-ray free-electron laser//,
105 J. Phys. B: At. Mol. Opt. Phys. **43**, 194001 (2010);
106 [[http:~~/~~/dx.doi.org/10.1088/0953-4075/43/19/194001>>url:http://dx.doi.org/10.1088/0953-4075/43/19/194001||shape="rect"]]
107 1. J. Feldhaus,
108 //FLASH - the first soft x-ray free electron laser (FEL) user facility//,
109 J. Phys. B: At. Mol. Opt. Phys. **43**, 194002 (2010);
110 [[http:~~/~~/dx.doi.org/10.1088/0953-4075/43/19/194002>>url:http://dx.doi.org/10.1088/0953-4075/43/19/194002||shape="rect"]]
111
112 == PG monochromator beamline ==
113
114 1. M. Martins, M. Wellhöfer, J.T. Hoeft, W. Wurth, J. Feldhaus, and R. Follath,
115 //Monochromator beamline for FLASH//,
116 Rev. Sci. Instrum. **77**, 115108 (2006);
117 [[http:~~/~~/dx.doi.org/10.1063/1.2364148>>url:http://dx.doi.org/10.1063/1.2364148||shape="rect"]]
118 1. N. Gerasimova, S. Dziarzhytski, J. Feldhaus,
119 //The monochromator beamline at FLASH: performance, capabilities and upgrade plans//,
120 Journal of Modern Optics **58**, 1480-1485 (2011); 
121 [[http:~~/~~/dx.doi.org/10.1080/09500340.2011.588344>>url:http://dx.doi.org/10.1080/09500340.2011.588344||shape="rect"]]
122
123 == THz Beamline ==
124
125 1. M. Gensch, L. Bittner, A. Chesnov, H. Delsim-Hashemi, M. Drescher, B. Faatz, J. Feldhaus, U. Fruehling, G.A. Geloni, Ch. Gerth, O. Grimm, U. Hahn, M. Hesse, S. Kapitzki, V. Kocharyan, O. Kozlov, E. Matyushevsky, N. Morozov, D. Petrov, E. Ploenjes, M. Roehling,  J. Rossbach, E.L. Saldin, B. Schmidt, P. Schmueser, E.A. Schneidmiller, E. Syresin, A. Willner and M.V. Yurkov,
126 //New infrared undulator beamline at FLASH//,
127 Infrared Phys. Technol. **51**, 423-425 (2008);
128 [[http:~~/~~/dx.doi.org/10.1016/j.infrared.2007.12.032>>url:http://dx.doi.org/10.1016/j.infrared.2007.12.032||shape="rect"]]
129 1. E. Zapolnova, , T. Golz, R. Pan, K. Klose, S. Schreiber and N. Stojanovic.
130 //THz pulse doubler at FLASH: double pulses for pump–probe experiments at X-ray FELs//,
131 J. Synchrotron Rad. **25**, 39-43 (2018);
132 [[https:~~/~~/doi.org/10.1107/S1600577517015442>>url:https://doi.org/10.1107/S1600577517015442||shape="rect"]]
133 1. R. Pan, E. Zapolnova, T. Golz, A.J. Krmpot, M.D. Rabasovic, J. Petrovic, V. Asgekar, B. Faatz, F. Tavella, A. Perucchi, S. Kovalev, B. Green, G. Geloni, T. Tanikawa, M. Yurkov, E. Schneidmiller, M. Gensch and N. Stojanovic,
134 //Photon diagnostics at the FLASH THz beamline//,
135 J. Synchrotron Rad. **26**, 700-707 (2019);
136 [[https:~~/~~/doi.org/10.1107/S1600577519003412>>url:https://doi.org/10.1107/S1600577519003412||shape="rect"]]
137
138 == CAMP chamber and BL1 (after 2014) ==
139
140 1. (((
141 Benjamin Erk, Jan P. Müller, Cédric Bomme, Rebecca Boll, Günter Brenner, Henry Chapman, Jonathan Correa, Stefan Düsterer, Siarhei Dziarzhytski, Stefan Eisebitt, Heinz Graafsma, Sören Grunewald, Lars Gumprecht, Robert Hartmann, Günter Hauser, Barbara Keitel, Clemens von Korff Schmising, Marion Kuhlmann, Bastian Manschwetus, Laurent Mercadier, Erland Müller, Christopher Passow, Elke Plönjes, Daniel Ramm, Dimitrios Rompotis, Artem Rudenko, Daniela Rupp, Mario Sauppe, Frank Siewert, Dieter Schlosser, Lothar Strüder, Angad Swiderski, Simone Techert, Kai Tiedtke, Thomas Tilp, Rolf Treusch, Ilme Schlichting, Joachim Ullrich, Robert Moshammer, Thomas Möller and Daniel Rolles,
142 //CAMP@FLASH: an end-station for imaging, electron- and ion-spectroscopy, and pump–probe experiments at the FLASH free-electron laser,//
143
144 J. Synchrotron Rad. **25**(5), 1529 - 1540 (2018)
145 [[http:~~/~~/dx.doi.org/10.1107/S1600577518008585>>url:http://dx.doi.org/10.1107/S1600577518008585||shape="rect"]]
146 )))
147 1. (((
148 {{expand title="LCLS CAMP and pnCCD reference"}}
149 Lothar Strüder, Sascha Epp, DanielRolles, Robert Hartmann, Peter Holl, Gerhard Lutz, Heike Soltau, Rouven Eckart, Christian Reich, Klaus Heinzinger, Christian Thamm, Artem Rudenko, Faton Krasniqi, Kai-Uwe Kühnel, Christian Bauer, Claus-Dieter Schröter, Robert Moshammer, Simone Techert, Danilo Miessner, Matteo Porro, Olaf Hälker, Norbert Meidinger, Nils Kimmel, Robert Andritschke, Florian Schopper, Georg Weidenspointner, Alexander Ziegler, Daniel Pietschner, Sven Herrmann, Ullrich Pietsch, Albert Walenta, Wolfram Leitenberger, Christoph Bostedt, Thomas Möller, Daniela Rupp, Marcus Adolph, Heinz Graafsma, Helmut Hirsemann, Klaus Gärtner, Rainer Richter, Lutz Foucar, Robert L. Shoeman, Ilme Schlichting, Joachim Ullrich,
150 //Large-format, high-speed, X-ray pnCCDs combined with electron and ion imaging spectrometers in a multipurpose chamber for experiments at 4th generation light sources//,
151 Nucl. Instrum. Methods A **614**, 483–496 (2010);
152 [[http:~~/~~/dx.doi.org/10.1016/j.nima.2009.12.053>>url:http://dx.doi.org/10.1016/j.nima.2009.12.053||shape="rect"]]
153 {{/expand}}
154 )))
155
156 == Reaction Microscope (ReMi) at FL26 ==
157
158 1. Georg Schmid, Kirsten Schnorr, Sven Augustin, Severin Meister, Hannes Lindenblatt, Florian Trost, Yifan Liu, Markus Braune, Rolf Treusch, Claus Dieter Schröter, Thomas Pfeifer and Robert Moshammer,
159 //Reaction Microscope Endstation at FLASH2//,
160 J. Synchrotron Rad. **26** (2019);
161 [[https:~~/~~/doi.org/10.1107/S1600577519002236>>url:https://doi.org/10.1107/S1600577519002236||shape="rect"]]
162 1. Severin Meister, Hannes Lindenblatt, Florian Trost, Kirsten Schnorr, Sven Augustin, Markus Braune, Rolf Treusch, Thomas Pfeifer, Robert Moshammer,
163 Atomic, Molecular and Cluster Science with the Reaction Microscope Endstation at FLASH2,
164 Appl. Sci. **10**, 2953 (2020);
165 [[https:~~/~~/doi.org/10.3390/app10082>>url:https://doi.org/10.3390/app10082||shape="rect"]]
166
167 == HEXTOF momentum microscope (mostly) at PG2 ==
168
169 1. D. Kutnyakhov, R.P. Xian, M. Dendzik, M. Heber, F. Pressacco, S.Y.  Agustsson, L. Wenthaus, H. Meyer, S. Gieschen, G. Mercurio, A. Benz, K. Bühlman, S. Däster, R. Gort, D. Curcio, K. Volckaert, M. Bianchi, Ch. Sanders, J A. Miwa, S. Ulstrup, A. Oelsner, C. Tusche, Y.-J. Chen, D. Vasilyev, K. Medjanik, G. Brenner, S. Dziarzhytski, H. Redlin, B. Manschwetus, S. Dong, J. Hauer, L. Rettig, F. Diekmann, K. Rossnagel, J. Demsar, H.-J. Elmers, Ph. Hofmann, R. Ernstorfer, G. Schönhense, Y. Acremann, and W. Wurth,
170 //Time- and momentum-resolved photoemission studies using time-of-flight momentum microscopy at a free-electron laser//,
171 Rev. Sci. Instrum. **91**, 013109 (2020);
172 [[https:~~/~~/doi.org/10.1063/1.5118777>>url:https://doi.org/10.1063/1.5118777||shape="rect"]]
173 1. (% style="color:#222222" %)Xian, R.P., Acremann, Y., Agustsson, S.Y., , M. Dendzik, K. Bühlmann, D. Curcio, D. Kutnyakhov, F. Pressacco, M. Heber, S. Dong, T. Pincelli, J. Demsar, W. Wurth, Ph. Hofmann, M. Wolf, M. Scheidgen, L. Rettig and R. Ernstorfer, (% style="letter-spacing:0.0px" %)//An open-source, end-to-end workflow for multidimensional photoemission spectroscopy//. (%%)//Sci Data//(% style="color:#222222" %) (%%)**7, **(% style="color:#222222" %)442 (2020). [[https:~~/~~/doi.org/10.1038/s41597-020-00769-8>>url:https://doi.org/10.1038/s41597-020-00769-8||shape="rect"]]
174
175 == MULTIP chamber ==
176
177 (% style="margin-left: 30.0px;" %)
178 Example experiments (on molecules, clusters and liquid jets) carried in the MULTIP chamber:
179
180 1. J.D. Koralek, J.B. Kim, P. Brůža, C.B. Curry, Z. Chen, H.A. Bechtel, A.A. Cordones, P. Sperling, S. Toleikis, J.F. Kern, S.P. Moeller, S.H. Glenzer, and D.P. DePonte,
181 //Generation and characterization of ultrathin free-flowing liquid sheets//,
182 Nature Comm. **9**, 1353 (2018);
183 [[http:~~/~~/dx.doi.org/10.1038/s41467-018-03696-w>>url:http://dx.doi.org/10.1038/s41467-018-03696-w||shape="rect"]]
184 1. (((
185 U. Zastrau, C. Rödel, M. Nakatsutsumi, T. Feigl, K. Appel, B. Chen, T. Döppner, T. Fennel, T. Fiedler, L.B. Fletcher, E. Förster, E. Gamboa, D.O. Gericke, S. Göde, C. Grote-Fortmann, V. Hilbert, L. Kazak, T. Laarmann, H.J. Lee, P. Mabey, F. Martinez, K.-H. Meiwes-Broer, H. Pauer, M. Perske, A. Przystawik, S. Roling, S. Skruszewicz, M. Shihab, J. Tiggesbäumker, S. Toleikis, M. Wünsche, H. Zacharias, S.H. Glenzer, and G. Gregori,
186 //A sensitive EUV Schwarzschild microscope for plasma studies with sub-micrometer resolution//,
187 Rev. Sci. Instr. **89**, 023703 (2018);
188 [[http:~~/~~/dx.doi.org/10.1063/1.5007950>>url:http://dx.doi.org/10.1063/1.5007950||shape="rect"]]
189 )))
190 1. (((
191 U. Zastrau, P. Sperling, M. Harmand, A. Becker, T. Bornath, R. Bredow, S. Dziarzhytski, T. Fennel, L.B. Fletcher, E. Förster, S. Göde, G. Gregori, V. Hilbert, D. Hochhaus, B. Holst, T. Laarmann, H.J. Lee, T. Ma, J.P. Mithen, R. Mitzner, C.D. Murphy, M. Nakatsutsumi, P. Neumayer, A. Przystawik, S. Roling, M. Schulz, B. Siemer, S. Skruszewicz, J. Tiggesbäumker, S. Toleikis, T. Tschentscher, T. White, M. Wöstmann, H. Zacharias, T. Döppner, S.H. Glenzer, and R. Redmer,
192 //Resolving Ultrafast Heating of Dense Cryogenic Hydrogen//,
193 Phys. Rev. Lett. **112**, 105002 (2014);
194 [[http:~~/~~/dx.doi.org/10.1103/PhysRevLett.112.105002>>url:http://dx.doi.org/10.1103/PhysRevLett.112.105002||shape="rect"]]
195 )))
196 1. (((
197 A. Przystawik, A. Kickermann, A. Al-Shemmary, S. Düsterer, A.M. Ellis, K. von Haeften, M. Harmand, S. Ramakrishna, H. Redlin, L. Schroedter, M. Schulz, T. Seideman, N. Stojanovic, J. Szekely, F. Tavella, S. Toleikis, and T. Laarmann,
198 //Generation of the simplest rotational wave packet in a diatomic molecule: Tracing a two-level superposition in the time domain//,
199 Phys. Rev. A **85**, 052503 (2012);
200 [[http:~~/~~/dx.doi.org/10.1103/PhysRevA.85.052503>>url:http://dx.doi.org/10.1103/PhysRevA.85.052503||shape="rect"]]
201 )))
202
203 (% style="margin-left: 30.0px;" %)
204 Additional XUV spectrometers: Knick-Spec (1.), HiTraX (2.)
205
206 1. (((
207 L. Schroedter, M. Müller, A. Kickermann, A. Przystawik, S. Toleikis, M. Adolph, L. Flückiger, T. Gorkhover, L. Nösel, M. Krikunova, T. Oelze, Y. Ovcharenko, D. Rupp, M. Sauppe, D. Wolter, S. Schorb, C. Bostedt, T. Möller, and T. Laarmann,
208 //Hidden Charge States in Soft-X-Ray Laser-Produced Nanoplasmas Revealed by Fluorescence Spectroscopy//,
209 Phys. Rev. Lett. **112**, 183401 (2014);
210 [[http:~~/~~/dx.doi.org/10.1103/PhysRevLett.112.183401>>url:http://dx.doi.org/10.1103/PhysRevLett.112.183401||shape="rect"]]
211 )))
212 1. R.R. Fäustlin, U. Zastrau, S. Toleikis, I. Uschmann, E. Förster and Th. Tschentscher,
213 //A compact soft X-ray spectrograph combining high efficiency and resolution//,
214 JINST **5**, P02004 (2010);
215 [[http:~~/~~/dx.doi.org/10.1088/1748-0221/5/02/P02004>>url:http://dx.doi.org/10.1088/1748-0221/5/02/P02004||shape="rect"]]
216
217 == MUSIX chamber ==
218
219 1. M. Beye, R.Y. Engel, J.O. Schunck, S. Dziarzhytski, G. Brenner, P.S. Miedema,
220 //Non-Linear Soft X-Ray Methods on Solids with MUSIX - the Multi-Dimensional Spectroscopy and Inelastic X-Ray Scattering Endstation//,
221 J. Phys.: Condens. Matter **31**, 014003 (2019)**,**
222 [[https:~~/~~/doi.org/10.1088/1361-648X/aaedf3>>url:https://doi.org/10.1088/1361-648X/aaedf3||shape="rect"]]
223
224 == URSA-PQ chamber ==
225
226 (% style="text-align:left" %)
227 1. (((
228 Jan Metje, Fabiano Lever, Dennis Mayer, Richard James Squibb, Matthew S. Robinson, Mario Niebuhr, Raimund Feifel, Stefan Düsterer, Markus Gühr,
229 //URSA-PQ: A Mobile and Flexible Pump-Probe Instrument for Gas Phase Samples at the FLASH Free Electron Laser//,
230 Appl. Sci. **10**, 7882 (2020); [[http:~~/~~/dx.doi.org/10.3390/app10217882>>url:http://dx.doi.org/10.3390/app10217882||shape="rect" style="text-decoration: none;"]]
231 )))
232
233 == Split and Delay Units: ==
234
235 === At beamline PG2 ===
236
237 1. F. Sorgenfrei, W.F. Schlotter, T. Beeck, M. Nagasono, S. Gieschen, H. Meyer, A. Föhlisch, M. Beye, and W. Wurth,
238 //The extreme ultraviolet split and femtosecond delay unit at the plane grating monochromator beamline PG2 at FLASH//,
239 Rev. of Sci. Instr. **81**, 043107 (2010);
240 [[http:~~/~~/dx.doi.org/10.1063/1.3374166>>url:http://dx.doi.org/10.1063/1.3374166||shape="rect"]]
241
242 === At beamline BL1 /CAMP ===
243
244 1. Mario Sauppe, Dimitrios Rompotis, Benjamin Erk, Sadia Bari, Tobias Bischoff, Rebecca Boll, Cédric Bomme, Christoph Bostedt, Simon Dörner, Stefan Düsterer, Torsten Feigl, Leonie Flückiger, Tais Gorkhover, Katharina Kolatzki, Marion Kuhlmann, Bruno Langbehn, Nils Monserud, Erland Müller, Jan P. Müller, Christopher Passow, Daniel Ramm, Daniel Rolles, Kaja Schubert, Lucas Schwob, Björn Senfftleben, Rolf Treusch, Anatoli Ulmer, Holger Weigelt, Jannis Zimbalski, Julian Zimmermann, Thomas Möller and Daniela Rupp,
245 //XUV double-pulses with femtosecond to 650 picoseconds separation from a multilayer mirror based split-and-delay unit at FLASH//,
246 J. Synchr. Rad. **25**, (% class="ica_pages" %)1517-1528(%%) (2018);
247 [[https:~~/~~/doi.org/10.1107/S1600577518006094>>url:https://doi.org/10.1107/S1600577518006094||shape="rect"]]
248
249 === At beamline BL2 ===
250
251 1. M. Wöstmann, R. Mitzner, T. Noll, S. Roling, B. Siemer, F. Siewert, S. Eppenhoff, F. Wahlert and H. Zacharias,
252 //The XUV split-and-delay unit at beamline BL2 at FLASH//,
253 J. Phys. B: At. Mol. Opt. Phys. **46**, Special Issue: Frontiers of FEL Science, 164005 (2013);
254 [[http:~~/~~/dx.doi.org/10.1088/0953-4075/46/16/164005>>url:http://dx.doi.org/10.1088/0953-4075/46/16/164005||shape="rect"]]
255 1. R. Mitzner, B. Siemer, S. Roling, M. Wöstmann, T. Noll, F. Siewert, A.A. Sorokin, M. Richter, K. Tiedtke, H. Zacharias,
256 //A new soft x-ray autocorrelator – direct evaluation of the temporal properties of FEL pulses at 24 nm//,
257 Proceedings SRI 2009, AIP Conference Proceedings **1234**, pp. 19-22 (2010);
258 [[http:~~/~~/dx.doi.org/10.1063/1.3463172>>url:http://dx.doi.org/10.1063/1.3463172||shape="rect"]]
259
260 === At beamlines FL24/FL23 ===
261
262 1. (% style="color:#000000" %)Matthias Dreimann, Frank Wahlert, Dennis Eckermann, Felix Rosenthal, Sebastian Roling, Tobias Reiker, Marion Kuhlmann, Sven Toleikis, Maciej Brachmanski, Rolf Treusch, Elke Plönjes, Björn Siemer and Helmut Zacharias
263 //The soft X-ray and XUV split-and-delay unit at beamlines FL23/24 at FLASH2//
264 J. Synchrotron Rad. (%%)**30**(% style="color:#000000" %), (% class="ica_pages" %)479-489 (2023)(%%)
265 (% class="ica_doi" style="color:#000000" %)[[https:~~/~~/doi.org/10.1107/S1600577523000395>>url:https://doi.org/10.1107/S1600577523000395||shape="rect" style="text-decoration: none;" title="Open URL link"]]
266 1. M. Dreimann, S. Roling, F. Wahlert, S. Eppenhoff, M. Kuhlmann, S. Toleikis, M. Brachmanski, R. Treusch, E. Plönjes, H. Zacharias,
267 //A XUV and soft X-ray split-and-delay unit for FLASH2//,
268 Proc. SPIE **11776**, EUV and X-ray Optics, Sources, and Instrumentation; 117760R (30 April 2021);
269 [[https:~~/~~/doi.org/10.1117/12.2597647>>url:https://doi.org/10.1117/12.2597647||shape="rect"]]
270
271 == Fast Switching Mirror (BL beamlines) ==
272
273 1. R. Sternberger, M. Sachwitz, A. Donat, U. Gensch, R. Heller, LV. Vu, U. Hahn, H. Schulte-Schrepping, K. Tiedtke,
274 //A fast switching mirror unit at FLASH//,
275 Nucl. Instrum. Methods A **635**, S47-S51 (2011);
276 [[http:~~/~~/dx.doi.org/10.1016/j.nima.2010.11.002>>url:http://dx.doi.org/10.1016/j.nima.2010.11.002||shape="rect"]]
277 1. J. Good, N. Leuschner, J. Nagler, F. Perlick, M. Sachwitz  and L.V. Vu,
278 //A Fast Switching Mirror Unit at FLASH//,
279 J. Phys.: Conf. Series **425**, 122008 (2013);
280 [[http:~~/~~/dx.doi.org/10.1088/1742-6596/425/12/122008>>url:http://dx.doi.org/10.1088/1742-6596/425/12/122008||shape="rect"]]
281
282 == 4-mirror polarizer for circular polarization (BL beamlines) ==
283
284 1. C. von Korff Schmising et al.,
285 //Generating circularly polarized radiation in the extreme ultraviolet spectral range at the free-electron laser FLASH//,
286 Review of Scientic Instruments 88 053903 (2017);
287 [[https:~~/~~/doi.org/10.1063/1.4983056>>url:https://doi.org/10.1063/1.4983056||shape="rect"]]
288
289 == Fast shutter (BL, PG, and FLASH2 beamlines) ==
290
291 1. (((
292 E. Plönjes and K. Tiedtke,
293 //The Soft X-ray Free-Electron Laser FLASH at DESY//
294 in Optical Technologies for Extreme-Ultraviolet and Soft X-ray Coherent Sources,
295 edited by F. Canova and L. Poletto (Springer Series in Optical Sciences, Vol. 197, Springer, Heidelberg, 2015);
296 )))
297
298 == Photon diagnostics papers ==
299
300 === **a) Gas Monitor Detector (GMD)** ===
301
302 1. Andrey A. Sorokin, Yilmaz Bican, Susanne Bonfigt, Maciej Brachmanski, Markus Braune, Ulf Fini Jastrow, Alexander Gottwald, Hendrik Kaser, Mathias Richter and Kai Tiedtke,
303 //An X-ray gas monitor for free-electron lasers//,
304 J. Synchrotron Rad. **26**, 1092-1100 (2019);
305 [[https:~~/~~/doi.org/10.1107/S1600577519005174>>url:https://doi.org/10.1107/S1600577519005174||shape="rect"]]
306 1. K. Tiedtke, J. Feldhaus, U. Hahn, U. Jastrow, T. Nunez, T. Tschentscher, S.V. Bobashev, A.A. Sorokin,  J.B. Hastings, S. Möller, L. Cibic, A. Gottwald, A. Hoehl, U. Kroth, M. Krumrey, H. Schöppe, G. Ulm, M. Richter,
307 //Gas-detector for X-ray lasers//,
308 J. Appl. Phys. **103**, 094511 (2008);
309 [[http:~~/~~/dx.doi.org/10.1063/1.2913328>>url:http://dx.doi.org/10.1063/1.2913328||shape="rect"]]
310 1. __ GMD used to determine focal spot sizes__:  (% style="color:#000000" %)A.A. Sorokin, A. Gottwald, A. Hoehl, U. Kroth, H. Schöppe, G. Ulm, M. Richter, S.V. Bobashev, I. Domracheva, D. Smirnov, K. Tiedtke, S. Düsterer, J. Feldhaus, U. Hahn, U. Jastrow, M. Kuhlmann, T. Nuñez, E. Plönjes, and R. Treusch,(%%)
311 (% style="text-align:left" %)//Method based on atomic photoionization for spot-size measurement on focused soft x-ray free-electron laser beams//(% style="color:#000000" %),(%%)
312 (% style="color:#000000" %)Appl. Phys. Lett. (% style="text-align:left" %)**89**(% style="color:#000000" %), 221114 (2006); (%%)[[http:~~/~~/dx.doi.org/10.1063/1.2397561>>url:http://dx.doi.org/doi:10.1063/1.2397561||shape="rect" style="text-decoration: none;text-align: left;"]]
313
314 === **b) VLS Online Spectrometer** ===
315
316 1. G. Brenner, S. Kapitzki, M. Kuhlmann, E. Ploenjes, T. Noll, F. Siewert,  R. Treusch, K. Tiedtke, R. Reininger, M.D. Roper, M.A. Bowler, F.M. Quinn, J. Feldhaus,
317 //First results from the online variable line spacing grating spectrometer at FLASH//,
318 Nucl. Instr. and Meth A **635**, S99–S103 (2011);
319 [[http:~~/~~/dx.doi.org/10.1016/j.nima.2010.09.134>>url:http://dx.doi.org/10.1016/j.nima.2010.09.134||shape="rect"]]
320
321 **see also "Kalypso detector"**
322
323 1. Rota L et al.,
324 (% class="title-text" %)//KALYPSO: Linear array detector for high-repetition rate and real-time beam diagnostics//, (%%)
325 Nucl. Instr. and Meth. A 936 10-13 (2018)
326 [[https:~~/~~/doi.org/10.1016/j.nima.2018.10.093>>url:https://doi.org/10.1016/j.nima.2018.10.093||shape="rect"]]
327
328 === **c) FLASH1 Tunnel Spectrometer** ===
329
330 *
331 ** ===
332
333 1. S. Düsterer, P. Radcliffe, G. Geloni, U. Jastrow, M. Kuhlmann, E. Plönjes, K. Tiedtke, R. Treusch, J. Feldhaus, P. Nicolosi, L. Poletto, P. Yeates, H. Luna, J.T. Costello, P. Orr, D. Cubaynes and M. Meyer,
334 //Spectroscopic characterization of vacuum ultraviolet free electron laser pulses//,
335 Opt. Lett. **31**, 1750-1752 (2006);
336 [[http:~~/~~/dx.doi.org/10.1364/OL.31.001750>>url:http://dx.doi.org/doi:10.1364/OL.31.001750||shape="rect" style="letter-spacing: 0.0px;"]]
337
338 === **d) Compact Spectrometer** ===
339
340 *
341 ** ===
342
343 1. F. Frassetto, S. Coraggia, S. Dziarzhytski, N. Gerasimova, L. Poletto,
344 //Extreme-ultraviolet compact spectrometer for the characterization of the harmonics content in the free-electron-laser radiation at FLASH//,
345 J. Synchrotron Rad. **19**, 596-601 (2012);
346 [[http:~~/~~/dx.doi.org/10.1107/S0909049512022224>>url:http://dx.doi.org/10.1107/S0909049512022224||shape="rect"]]
347 1. Fabio Frassetto, Siarhei Dziarzhytski, Natalia Guerassimova and Luca Poletto,
348 //Compact spectrometer for on-line photon diagnostics at FLASH//,
349 J. Phys.: Conf. Ser. **425**,122010 (2013);
350 [[http:~~/~~/dx.doi.org/10.1088/1742-6596/425/12/122010>>url:http://dx.doi.org/10.1088/1742-6596/425/12/122010||shape="rect"]]
351 1. F. Frassetto et al.,
352 (% class="title-text" %)//Compact spectrometer for photon diagnostics of the extreme-ultraviolet free-electron-laser radiation//, (%%)
353 Nucl. Instrum. Meth. A 635 S94-98 (2011)
354 [[https:~~/~~/doi.org/10.1016/j.nima.2010.11.004>>url:https://doi.org/10.1016/j.nima.2010.11.004||shape="rect"]]
355
356 === **e) Online photoionization spectrometer (OPIS)** ===
357
358 1. (((
359 Markus Braune, Jens Buck, Marion Kuhlmann, Sören Grunewald, Stefan Düsterer, Jens Viefhaus, Kai Tiedtke
360 //Non-invasive online wavelength measurements at FLASH2 and present benchmark.//
361 Proc. PhotonDiag2017,
362 J. Synchrotron Rad. **25**, 3–15 (2018)
363 (% style="color:#3366ff" %)__[[https:~~/~~/doi.org/10.1107/S1600577517013893>>url:https://doi.org/10.1107/S1600577517013893||shape="rect" style="color: rgb(51,102,255);"]]__
364 )))
365 1. Markus Braune, Günter Brenner, Siarhei Dziarzhytski, Pavle Juranić, Andrey Sorokin, Kai Tiedtke,
366 //A non-invasive online photoionization spectrometer for FLASH2//,
367 Proc. PhotonDiag2015,
368 J. Synchrotron Rad. **23**, 10-20 (2016);
369 [[__http:~~/~~/dx.doi.org/10.1107/S1600577515022675__>>url:http://dx.doi.org/10.1107/S1600577515022675||shape="rect"]]
370 1. Wellhöfer, J.T. Hoeft, M. Martins, W. Wurth, M. Braune, J. Viefhaus, M. Richter, K. Tiedtke,
371 //Photoelectron spectroscopy as non-invasive method to monitor SASE-FEL radiation//,
372 JINST **3**, P02003 (2008);
373 [[__http:~~/~~/dx.doi.org/10.1088/1748-0221/3/02/P02003__>>url:http://dx.doi.org/10.1088/1748-0221/3/02/P02003||shape="rect"]]
374
375 === **f) Gotthard detector** ===
376
377 1. Palutke, N.C. Gerken, K. Mertens, S. Klumpp, A. Mozzanica, B. Schmitt, C. Wunderer, H. Graafsma, K.-H. Meiwes-Broer, W. Wurth, M. Martins,
378 //Spectrometer for shot-to-shot photon energy characterization in the multi-bunch mode of the free electron laser at Hamburg//,
379 Rev. Sci. Instrum. **86**, 113107(2015);[[__ http:~~/~~/scitation.aip.org/content/aip/journal/rsi/86/11/10.1063/1.4936293__>>url:http://scitation.aip.org/content/aip/journal/rsi/86/11/10.1063/1.4936293||shape="rect"]]
380
381 === **g) KALYPSO detector** ===
382
383 1. C. Gerth, G. Brenner, M. Caselle, S. Düsterer, D. Haack, D. Makowski, A. Mielczarek, S. Palutke, L. Rota, V. Rybnikov, C. Schmidt, B. Steffen, K. Tiedtke,
384 //Linear array detector for online diagnostics of spectral distributions at MHz repetition rates//,
385 J. Synchrotron Rad. **26**, 1514-1522 (2019);
386 [[https:~~/~~/doi.org/10.1107/S1600577519007835>>url:https://doi.org/10.1107/S1600577519007835||shape="rect"]]
387
388 === **h) Timing tools (photon arrival time monitors)** ===
389
390 *
391 ** ===
392
393 1. E. Zapolnova, R. Pan, T. Golz, M. Sindik, M. Nikolic, M. Temme, M. Rabasovic, D. Grujic, Z. Chen, S. Toleikis, N. Stojanovic,
394 //XUV-driven plasma switch for THz: new spatio-temporal overlap tool for XUV−THz pump−probe experiments at FELs//,
395 J. Synchrotron Rad. **27**, 11-16 (2020);
396 [[https:~~/~~/doi.org/10.1107/S1600577519014164>>url:https://doi.org/10.1107/S1600577519014164||shape="rect"]]
397 1. M. Harmand, C.D. Murphy, C.R.D. Brown, M. Cammarata, T. Döppner, S. Düsterer, D. Fritz, E. Förster, E. Galtier, J. Gaudin, S.H. Glenzer, S. Göde, G. Gregori, V. Hilbert, D. Hochhaus, T. Laarmann, H.J. Lee, H. Lemke, K.-H. Meiwes-Broer, A. Moinard, P. Neumayer, A. Przystawik, H. Redlin, M. Schulz, S. Skruszewicz, F. Tavella, T. Tschentscher, T. White, U. Zastrau, S.Toleikis,
398 //Plasma switch as a temporal overlap tool for pump-probe experiments at FEL facilities//,
399 JINST **7**, P08007 (2012);
400 [[http:~~/~~/dx.doi.org/10.1088/1748-0221/7/08/P08007>>url:http://dx.doi.org/10.1088/1748-0221/7/08/P08007||shape="rect"]]
401 1. M. Drescher, U. Frühling, M. Krikunova, Th. Maltezopoulos, M. Wieland,
402 //Time-diagnostics for improved dynamics experiments at XUV FELs//,
403 J. Phys. B, **43**, 194010 (2010);
404 [[http:~~/~~/dx.doi.org/10.1088/0953-4075/43/19/194010>>url:http://dx.doi.org/10.1088/0953-4075/43/19/194010||shape="rect"]]
405 1. T. Maltezopoulos, S. Cunovic, M. Wieland, M. Beye, A. Azima, H. Redlin, M. Krikunova, R. Kalms, U. Frühling, F. Budzyn, W. Wurth, A. Föhlisch, M. Drescher,
406 //Single-shot timing measurement of extreme-ultraviolet free-electron laser pulses,//
407 New Journal of Physics **10**, 033026 (2008);
408 [[http:~~/~~/dx.doi.org/10.1088/1367-2630/10/3/033026>>url:http://dx.doi.org/10.1088/1367-2630/10/3/033026||shape="rect"]]
409 1. C. Gahl, A. Azima, M. Beye, M. Deppe, K. Döbrich, U. Hasslinger, F. Hennies, A. Melnikov, M. Nagasono, A. Pietzsch, M. Wolf, W. Wurth, A. Föhlisch,
410 //A femtosecond X-ray/optical cross-correlator//,
411 Nature Photonics **2**, 165-169 (2008);
412 [[__http:~~/~~/dx.doi.org/10.1038/nphoton.2007.298__>>url:http://dx.doi.org/10.1038/nphoton.2007.298||shape="rect"]]
413
414 === **i) XUV Pulse Length measurements** ===
415
416 *
417 ** ===
418
419 1. **(overview)**
420 S. Düsterer, M. Rehders, A. Al-Shemmary, C. Behrens, G. Brenner, O. Brovko, M. DellAngela, M. Drescher, B. Faatz, J. Feldhaus, U. Frühling, N. Gerasimova, N. Gerken, C. Gerth, T. Golz, A. Grebentsov, E. Hass, K. Honkavaara, V. Kocharian, M. Kurka, Th. Limberg, R. Mitzner, R. Moshammer, E. Plönjes, M. Richter, J. Rönsch-Schulenburg, A. Rudenko, H. Schlarb, B. Schmidt, A. Senftleben, E.A. Schneidmiller, B. Siemer, F. Sorgenfrei, A.A. Sorokin, N. Stojanovic, K. Tiedtke, R. Treusch, M. Vogt, M. Wieland, W. Wurth, S. Wesch, M. Yan, M.V. Yurkov, H. Zacharias, S. Schreiber,
421 //Development of experimental techniques for the characterization of ultrashort photon pulses of extreme ultraviolet free-electron lasers//,
422 Phys. Rev. STAB **17**, 120702 (2014);
423 [[__http:~~/~~/dx.doi.org/10.1103/PhysRevSTAB.17.120702__>>url:http://dx.doi.org/10.1103/PhysRevSTAB.17.120702||shape="rect"]]
424 1. **(THz streaking - different pulse durations)**
425 R. Ivanov, (% class="nowrap" %)I. Bermúdez Macias(%%), (% class="nowrap" %)J. Liu(%%), (% class="nowrap" %)G. Brenner(%%), (% class="nowrap" %)J. Roensch-Schulenburg(%%), (% class="nowrap" %)G. Kurdi(%%), (% class="nowrap" %)U. Fruehling, K, Wenig(%%), (% class="nowrap" %)S Walther(%%), (% class="nowrap" %)A Dimitriou(% class="reveal-container reveal-content reveal-enabled reveal-no-animation reveal-plus-icon" %), (% class="nowrap reveal-container reveal-content reveal-enabled reveal-no-animation reveal-plus-icon" %)M Drescher(% class="reveal-container reveal-content reveal-enabled reveal-no-animation reveal-plus-icon" %), (% class="nowrap reveal-container reveal-content reveal-enabled reveal-no-animation reveal-plus-icon" %)I P Sazhina(% class="reveal-container reveal-content reveal-enabled reveal-no-animation reveal-plus-icon" %), (% class="nowrap reveal-container reveal-content reveal-enabled reveal-no-animation reveal-plus-icon" %)A K Kazansky(% class="reveal-container reveal-content reveal-enabled reveal-no-animation reveal-plus-icon" %), (% class="nowrap reveal-container reveal-content reveal-enabled reveal-no-animation reveal-plus-icon" %)N M Kabachnik(% class="reveal-container reveal-content reveal-enabled reveal-no-animation reveal-plus-icon" %) and (% class="nowrap reveal-container reveal-content reveal-enabled reveal-no-animation reveal-plus-icon" %)S. Düsterer(%%)
426 //Single-shot temporal characterization of XUV pulses with duration from ~~10 fs to ~~350 fs at FLASH//
427 J. Phys. B: At. Mol. Opt. Phys. (2020)
428 (% class="Object" %)__[[https:~~/~~/doi.org/10.1088/1361-6455/ab9c38>>url:https://doi.org/10.1088/1361-6455/ab9c38||shape="rect"]]__
429 1. (((
430 **(THz streaking - statistical analysis)**
431 I. J. Bermúdez Macias, S. Düsterer, R. Ivanov, J. Liu, G. Brenner, J.Rönsch-Schulenburg, M.K. Czwalinna, and M. V. Yurkov,
432 //Study of temporal, spectral, arrival time and energy fluctuations of SASE FEL pulses//,
433 Optics Express 29, 10491-10508 (2021); 
434 __[[https:~~/~~/doi.org/10.1364/OE.419977>>url:https://doi.org/10.1364/OE.419977||shape="rect" style="letter-spacing: 0.0px;"]]__
435 )))
436
437 {{expand title="Further references - Click here to expand..."}}
438 1. **(general overview - not only FLASH)**
439 W. Helml, I. Grguraš, P. N. Juranić, S. Düsterer, T. Mazza, A. R. Maier, N. Hartmann, M. Ilchen, G. Hartmann, L. Patthey, C. Callegari, J. T. Costello, M. Meyer, R. N. Coffee, A. L. Cavalieri, R. Kienberger,
440 //Ultrashort Free-Electron Laser X-ray Pulses//,
441 Appl. Sci. **7**, 915 (2017);
442 __[[http:~~/~~/dx.doi.org/10.3390/app7090915>>url:http://dx.doi.org/10.3390/app7090915||shape="rect"]]__
443 1. **(THz streaking)**
444 R. Ivanov, J. Liu, G. Brenner, M. Brachmanski, S. Düsterer,
445 //FLASH free-electron laser single-shot temporal diagnostic: terahertz-field-driven streaking//,
446 Special Issue (PhotonDiag2017),
447 J. Synchrotron Rad**. 25, **26-31 (2018);
448 [[https:~~/~~/doi.org/10.1107/S160057751701253X>>url:https://doi.org/10.1107/S160057751701253X||shape="rect"]]
449 1. **(THz streaking)**
450 I. Grguraš, A.R. Maier, C. Behrens, T. Mazza, T J. Kelly, P. Radcliffe, S. Düsterer, A.K. Kazansky,   N.M. Kabachnik,  Th. Tschentscher,   J.T. Costello,   M. Meyer, M.C. Hoffmann, H. Schlarb, A.L. Cavalieri,
451 //Ultrafast X-ray pulse characterization at free-electron lasers//,
452 Nature Photonics **6**, 852-857 (2012);
453 [[http:~~/~~/dx.doi.org/10.1038/NPHOTON.2012.276>>url:http://dx.doi.org/10.1038/NPHOTON.2012.276||shape="rect"]]
454 1. **(THz streaking)**
455 U. Frühling, M. Wieland, M. Gensch, T. Gebert, B. Schütte, M. Krikunova, R. Kalms^^.^^, F. Budzyn, O. Grimm, J. Rossbach, E. Plönjes, M. Drescher,
456 //Single-shot THz field driven X-ray streak-camera//,
457 Nature Photonics **3**, 523-528 (2009);
458 [[http:~~/~~/dx.doi.org/10.1038/nphoton.2009.160>>url:http://dx.doi.org/10.1038/nphoton.2009.160||shape="rect"]]
459 1. **(spectral measurements)**
460 R. Engel, S. Düsterer, G. Brenner, and U. Teubner,
461 //Quasi-real-time photon pulse duration measurement by analysis of FEL radiation spectra//,
462 Proc. PhotonDiag2015,
463 J. Synchrotron Rad. **23**, 118-122 (2016);
464 [[__http:~~/~~/dx.doi.org/10.1107/S1600577515022997__>>url:http://dx.doi.org/10.1107/S1600577515022997||shape="rect"]]
465 1. (((
466 **(spectral and electron measurements, LOLA)**
467 Behrens C. , Gerasimova N., Gerth Ch., Schmidt B., Schneidmiller E. ,Serkez S., Wesch S., Yurkov, M.  
468 //Constraints on photon pulse duration from longitudinal electron beamdiagnostics at a soft X-ray free-electron laser//
469 Phys. Rev. STAB **15**, 030707 (2012);
470 [[http:~~/~~/dx.doi.org/10.1103/PhysRevSTAB.15.030707>>url:http://dx.doi.org/10.1103/PhysRevSTAB.15.030707||shape="rect"]]
471 )))
472 1. (((
473 **(reflectivity change on solids)**
474 R. Riedel, A. Al-Shemmary, M. Gensch, T. Golz, M. Harmand, N. Medvedev, M.J. Prandolini, K. Sokolowski-Tinten, S. Toleikis, U. Wegner, B. Ziaja, N. Stojanovic, F. Tavella,
475 //Single-shot pulse duration monitor for extreme ultraviolet and X-ray free-electron lasers//,
476 Nature Comm. **4**, 1731 (2013);
477 [[http:~~/~~/dx.doi.org/10.1038/ncomms2754>>url:http://dx.doi.org/10.1038/ncomms2754||shape="rect"]]
478 )))
479
480
481 {{/expand}}
482
483
484 === **j) Wavefront Sensor and Wigner Distribution measurements** ===
485
486 *
487 ** ===
488
489 1. B. Keitel, E. Plönjes, S. Kreis, M. Kuhlmann, K. Tiedtke, T. Mey, B. Schäfer, K. Mann,
490 //Hartmann wavefront sensors and their application at FLASH//,
491 Proc. PhotonDiag2015,
492 J. Synchrotron Rad. **23**, 43-49 (2016);
493 [[http:~~/~~/dx.doi.org/10.1107/S1600577515020354>>url:http://dx.doi.org/10.1107/S1600577515020354||shape="rect"]]
494 1. K. Mann, B. Flöter, T. Mey, B. Schäfer, B. Keitel, E. Plönjes, K. Tiedtke,
495 //Hartmann wavefront sensor for EUV radiation//,
496 Proc. SPIE **8679**, Extreme Ultraviolet (EUV) Lithography IV, 867922 (April 1, 2013);
497 [[http:~~/~~/dx.doi.org/10.1117/12.2011508>>url:http://dx.doi.org/10.1117/12.2011508||shape="rect"]]
498
499 {{expand title="Further References: click here to expand..."}}
500 1. T. Mey, //Radiation characteristics of extreme UV and soft X-ray sources//
501 PhD Thesis, Georg-August-Universität Göttingen.
502 Göttingen Series in X-ray Physics; 15 (2015), Universitätsverlag Göttingen, Göttingen, ISBN13: 978-3-86395-211-2;
503 [[__http:~~/~~/resolver.sub.uni-goettingen.de/purl?univerlag-isbn-978-3-86395-211-2__>>url:http://resolver.sub.uni-goettingen.de/purl?univerlag-isbn-978-3-86395-211-2||shape="rect"]]   (for Wigner distribution measurements)
504 1. T. Mey, B. Schäfer, K. Mann, B. Keitel, M. Kuhlmann, and E. Plönjes,
505 //Wigner distribution measurements of the spatial coherence properties of the free-electron laser FLASH//
506 Optics Express **22**, 16571 (2014);
507 [[__http:~~/~~/dx.doi.org/10.1364/OE.22.016571__>>url:http://http/dx.doi.org/10.1364/OE.22.016571||shape="rect"]]
508 1. B. Flöter, //Strahlcharakterisierung von Freie-Elektronen-Lasern im weichen Röntgen-Spektralbereich// 
509 PhD Thesis, Georg-August-Universität Göttingen,
510 Göttingen Series in X-ray Physics; 8 (2012), Universitätsverlag Göttingen, Göttingen, ISBN13: 978-3-86395-074-3;
511 [[https:~~/~~/univerlag.uni-goettingen.de/bitstream/handle/3/isbn-978-3-86395-074-3/GSXP8_floeter.pdf?sequence=1&>>url:https://univerlag.uni-goettingen.de/bitstream/handle/3/isbn-978-3-86395-074-3/GSXP8_floeter.pdf?sequence=1&||shape="rect"]]  (for wavefront sensors)
512 {{/expand}}
513
514
515 ----
516
517 = Pump-Probe Laser systems =
518
519 **a) FLASH2**
520
521 1. T. Lang, S. Alisauskas, U. Große-Wortmann, T. Hülsenbusch, B. Manschwetus, C. Mohr, J. Müller, F. Peters, N. Schirmel, S. Schulz, A. Swiderski, J. Zheng and I. Hartl,
522 Versatile OPCPA Pump-Probe Laser System for the FLASH2 XUV FEL Beamline at DESY,
523 //2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)//, Munich, Germany, 2019, pp. 1-1;
524 [[http:~~/~~/dx.doi.org/10.1109/CLEOE-EQEC.2019.8871596>>url:http://dx.doi.org/10.1109/CLEOE-EQEC.2019.8871596||shape="rect"]]
525 1. N. Schirmel, S. Alisauskas, T. Hülsenbusch, B. Manschwetus, C. Mohr, L. Winkelmann, U. Große-Wortmann, J. Zheng, T. Lang, and I. Hartl,
526 //Long-Term Stabilization of Temporal and Spectral Drifts of a Burst-Mode OPCPA System//,
527 in //Conference on Lasers and Electro-Optics//, OSA Technical Digest (Optical Society of America, 2019), paper STu4E.4.;
528 [[https:~~/~~/doi.org/10.1364/CLEO_SI.2019.STu4E.4>>url:https://doi.org/10.1364/CLEO_SI.2019.STu4E.4||shape="rect"]]
529
530 **b) FLASH1**
531
532 1. H. Redlin, A. Al-Shemmary, A. Azima, N. Stojanovic, F. Tavella, I. Will, S. Düsterer,
533 //The FLASH pump-probe laser system: Setup, characterization and optical beamlines//.,
534 Nucl. Instrum. Methods A **635**, 88–93 (2011);
535 [[http:~~/~~/dx.doi.org/10.1016/j.nima.2010.09.159>>url:http://dx.doi.org/10.1016/j.nima.2010.09.159||shape="rect"]]
536 1. **(FEL-laser synchronization)**
537 S. Schulz, M. K. Czwalinna, M. Felber, P. Prędki, S. Schefer, H. Schlarb, U. Wegner,
538 //Femtosecond-precision synchronization of the pump-probe optical laser for user experiments at FLASH//,
539 Proc. SPIE **8778**, Advances in X-ray Free-Electron Lasers II: Instrumentation, 87780R (May 3, 2013);
540 [[http:~~/~~/dx.doi.org/10.1117/12.2021572>>url:http://dx.doi.org/10.1117/12.2021572||shape="rect"]]
541
542
543 **c) pump-probe data analysis**
544
545 1. Evgeny Savelyev, Rebecca Boll, Cédric Bomme, Nora Schirmel, Harald Redlin, Benjamin Erk, Stefan Düsterer, Erland Müller, Hauke Höppner, Sven Toleikis, Jost Müller, Marie Kristin Czwalinna, Rolf Treusch, Thomas Kierspel, Terence Mullins, Sebastian Trippel, Joss Wiese, Jochen Küpper, Felix Brauße, Faruk Krecinic, Arnaud Rouzée, Piotr Rudawski, Per Johnsson, Kasra Amini, Alexandra Lauer, Michael Burt, Mark Brouard, Lauge Christensen, Jan Thøgersen, Henrik Stapelfeldt, Nora Berrah, Maria Müller, Anatoli Ulmer, Simone Techert, Artem Rudenko, Daniel Rolles,
546 //Jitter-Correction for IR/UV-XUV Pump-Probe Experiments at the FLASH Free-Electron Laser//,
547 New J. Phys. **19**, 043009 (2017),
548 [[https:~~/~~/doi.org/10.1088/1367-2630/aa652d>>url:https://doi.org/10.1088/1367-2630/aa652d||shape="rect"]]
549
550 **d) HHG laser source at FL26/ReMi**
551
552 1. (((
553 E. Appi, C. C. Papadopoulou, J. L. Mapa, C. Jusko, P. Mosel, A. Schoenberg, J. Stock, T. Feigl, S. Ališauskas, T. Lang, C. M. Heyl, B. Manschwetus, M. Brachmanski, M. Braune, H. Lindenblatt, F. Trost, S. Meister, P. Schoch, A. Trabattoni, F. Calegari, R. Treusch, R. Moshammer, I. Hartl, U. Morgner, and M. Kovacev,
554 //Synchronized beamline at FLASH2 based on high-order harmonic generation for two-color dynamics studies//,
555 Rev. Sci. Instrum. **92**, 123004 (2021);
556 [[https:~~/~~/doi.org/10.1063/5.0063225>>url:https://doi.org/10.1063/5.0063225||shape="rect"]]
557 )))
558 1. Elisa Appi, Christina C. Papadopoulou, Jose Louise Mapa, Nishad Wesavkar, Christoph Jusko, Philip Mosel, Skirmantas Ališauskas, Tino Lang, Christoph M. Heyl, Bastian Manschwetus, Maciej Brachmanski, Markus Braune, Hannes Lindenblatt, Florian
559 Trost, Severin Meister, Patrizia Schoch, Rolf Treusch, Robert Moshammer, Ingmar Hartl, Uwe Morgner, and Milutin Kovacev,
560 //A synchronized VUV light source based on high-order harmonic generation at FLASH//,
561 Sci. Rep. **10**, 6867 (2020);
562 (% class="nolink" style="color:#003366" %)[[https:~~/~~/doi.org/10.1038/s41598-020-63019-2>>url:https://doi.org/10.1038/s41598-020-63019-2||shape="rect"]]
563
564
565 = Data analysis =
566
567 **Sorting data**
568
569 1. Dennis Mayer, Fabiano Lever and Markus Gühr,  ** (sorting GMD, BAM and Spectrum)**
570 (% style="letter-spacing:0.0px" %)//Data analysis procedures for time-resolved x-ray photoelectron spectroscopy at a SASE free-electron-laser,//(%%)
571 Phys. B: At. Mol. Opt. Phys. **55**, 054002 (2022); [[https:~~/~~/doi.org/10.1088/1361-6455/ac3c91>>url:https://doi.org/10.1088/1361-6455/ac3c91||shape="rect" style="letter-spacing: 0.0px;"]]
572 1. (((
573 R. Patrick Xian, Yves Acremann, Steinn Y. Agustsson, Maciej Dendzik, Kevin Bühlmann, Davide Curcio, Dmytro Kutnyakhov, Frederico Pressacco, Michael Heber, Shuo Dong, Tommaso Pincelli, Jure Demsar, Wilfried Wurth, Philip Hofmann, Martin Wolf, Markus Scheidgen, Laurenz Rettig, Ralph Ernstorfer, (% style="letter-spacing:0.0px" %)** (HEXTOF analysis)**(%%)
574 (% style="letter-spacing:0.0px" %)//An open-source, end-to-end workflow for multidimensional photoemission spectroscopy//,
575 Scientific Data **7**, 442 (2020); (%%)[[https:~~/~~/doi.org/10.1038/s41597-020-00769-8>>url:https://doi.org/10.1038/s41597-020-00769-8||shape="rect" style="text-decoration: none;"]]
576 )))
577 1. Evgeny Savelyev, Rebecca Boll, Cédric Bomme, Nora Schirmel, Harald Redlin, Benjamin Erk, Stefan Düsterer, Erland Müller, Hauke Höppner, Sven Toleikis, Jost Müller, Marie Kristin Czwalinna, Rolf Treusch, Thomas Kierspel, Terence Mullins, Sebastian Trippel, Joss Wiese, Jochen Küpper, Felix Brauße, Faruk Krecinic, Arnaud Rouzée, Piotr Rudawski, Per Johnsson, Kasra Amini, Alexandra Lauer, Michael Burt, Mark Brouard, Lauge Christensen, Jan Thøgersen, Henrik Stapelfeldt, Nora Berrah, Maria Müller, Anatoli Ulmer, Simone Techert, Artem Rudenko, Daniel Rolles, **(BAM and streak camera sorting)**
578 //Jitter-Correction for IR/UV-XUV Pump-Probe Experiments at the FLASH Free-Electron Laser//,
579 New J. Phys. **19**, 043009 (2017),
580 [[https:~~/~~/doi.org/10.1088/1367-2630/aa652d>>url:https://doi.org/10.1088/1367-2630/aa652d||shape="rect"]]
581
582 ----
583
584 = Other references =
585
586 **Damage Tresholds of optical components, start at TTF1**
587
588 1. Krzywinski, R. Sobierajski, M. Jurek, R. Nietubyc, J.B. Pelka, L. Juha, M. Bittner, V. Létal, and V. Vorlíček, A. Andrejczuk, J. Feldhaus, E.L. Saldin, E.A. Schneidmiller, R. Treusch, and M.V. Yurkov,
589 Conductors, semiconductors, and insulators irradiated with shortwavelength free-electron laser,
590 J. Appl. Phys. **101**, 043107 (2007);
591 [[http:~~/~~/dx.doi.org/10.1063/1.2434989>>url:http://dx.doi.org/10.1063/1.2434989||shape="rect"]]
592
593 **Study of fluorescent crystals for beam profile imaging, start at TTF1**
594
595 1. Kirm, A. Andrejczuk, J.Krzywinski, and R. Sobierajski,
596 //Influence of excitation density on luminescence decay in Y,,3,,Al,,5,,O,,12,,:Ce and BaF,,2,, crystals excited by free electron laser radiation in VUV//,
597 phys. stat. sol. (c) **2**, 649-652 (2005);
598 [[__http:~~/~~/dx.doi.org/10.1002/pssc.200460255__>>url:http://dx.doi.org/10.1002/pssc.200460255||shape="rect"]]
599
600 **Study of carbon coatings for FEL mirrors,  start at TTF1**
601
602 1. Steeg, L. Juha, J. Feldhaus, S. Jacobi, R. Sobierajski, C.Michaelsen, A. Andrejczuk, and J. Krzywinski,
603 //Total reflection amorphous carbon mirrors for vacuum ultraviolet free electron lasers//,
604 Appl. Phys. Lett. **84**, 657-659 (2004);
605 [[__http:~~/~~/dx.doi.org/10.1063/1.1645320__>>url:http://dx.doi.org/10.1063/1.1645320||shape="rect"]]
606 {{/layout-cell}}
607 {{/layout-section}}
608 {{/layout}}