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5 **Collection of reference papers for FLASH1 and FLASH2 beamlines and instruments.
6 **
7
8 **Last update:** {{date value="2022-01-11" format="yyyy-MM-dd"/}}
9
10 **In case of multiple references, the most complete or up-to-date is 1st.**
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25 {{toc exclude="Task report"/}}
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37 = FEL Machine =
38
39 1. W. Ackermann et al.,
40 //Operation of a Free Electron Laser in the Wavelength Range from the Extreme Ultraviolet to the Water Window//,
41 Nature Photonics **1**, 336-342 (2007);
42 [[http:~~/~~/dx.doi.org/10.1038/nphoton.2007.76>>url:http://dx.doi.org/10.1038/nphoton.2007.76||shape="rect"]]
43
44 **FLASH2 and other recent developments:**
45
46 1. B. Faatz et al.,
47 //Simultaneous operation of two soft x-ray free-electron lasers driven by one linear accelerator//,
48 New J. Phys. **18**, 062002 (2016);
49 [[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"]]
50 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,
51 //The FLASH Facility: Advanced Options for FLASH2 and Future Perspectives//,
52 Appl. Sci. **7**, 1114 (2017);
53 [[http:~~/~~/dx.doi.org/10.3390/app7111114>>url:http://dx.doi.org/10.3390/app7111114||shape="rect"]]\\
54 1. J. Rönsch-Schulenburg, B. Faatz, K. Honkavaara, M. Kuhlmann, S. Schreiber, R. Treusch,
55 //Experience with Multi-Beam and Multi-Beamline FEL-Operation//,
56 Proc. IPAC17, Copenhagen, Denmark (2017),
57 J.Phys.: Conf. Ser. **874**, 012023 (2017);
58 [[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"]]\\
59 1. S. Toleikis for the whole FLASH team,
60 //The FLASH facility - current status in 2018 and future upgrade plans//,
61 AIP Conf. Proc. **2054**, 030015 (2019);
62 [[http:~~/~~/dx.doi.org/10.1063/1.5084578>>url:http://dx.doi.org/10.1063/1.5084578||shape="rect"]]
63
64 == FEL machine diagnostics ==
65
66 **a) Longitudinal FEL beam diagnostics (PolariX (1.) and LOLA (2.))**
67
68 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,
69 //Experimental demonstration of novel beam characterization// //using a polarizable X‑band// //transverse deflection structure//,
70 Scientific Reports **11**,3560 (2021);
71 [[https:~~/~~/doi.org/10.1038/s41598-021-82687-2>>url:https://doi.org/10.1038/s41598-021-82687-2||shape="rect"]]
72 1. C. Behrens, N. Gerasimova, Ch. Gerth, B. Schmidt, E. A. Schneidmiller, S. Serkez, S. Wesch, and M. V. Yurkov,
73 Constraints on photon pulse duration from longitudinal electron beam diagnostics at a soft x-ray free-electron laser,
74 Phys. Rev. ST Accel. Beams **15**, 030707 (2012)
75 [[https:~~/~~/doi.org/10.1103/PhysRevSTAB.15.030707>>url:https://doi.org/10.1103/PhysRevSTAB.15.030707||shape="rect"]]\\
76
77 **b) Synchronization and Electron Bunch Arrvial time Monitor (BAM)**
78
79 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,
80 //Femtosecond all-optical synchronization of an X-ray free-electron laser//,
81 Nature Communications **6**, 5938 (2015);
82 [[__http:~~/~~/dx.doi.org/10.1038/ncomms6938__>>url:http://dx.doi.org/10.1038/ncomms6938||shape="rect"]]
83 1. (((
84 (% class="pub-info" %)
85 A. Angelovski, et al.
86 //Evaluation of the cone-shaped pickup performance for low charge sub-10 fs arrival-time measurements at free electron laser facilities
87 //Phys. Rev. ST Accel. Beams **18**, 012801 (2015)
88 [[https:~~/~~/doi.org/10.1103/PhysRevSTAB.18.012801>>url:https://doi.org/10.1103/PhysRevSTAB.18.012801||shape="rect"]]
89 )))
90
91 ----
92
93 = User Facility/Beamline descriptions and Reviews =
94
95 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,
96 //The soft X-ray free-electron laser FLASH at DESY: beamlines, diagnostics, and end stations//,
97 New J. Phys. **11**, 023029 (2009);
98 [[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"]]
99
100 **Reviews**
101
102 1. Jörg Rossbach, Jochen R. Schneider, Wilfried Wurth,
103 //10 years of pioneering X-ray science at the Free-Electron Laser FLASH at DESY//,
104 Physics Reports **808**, 1-74 (2019);
105 [[https:~~/~~/doi.org/10.1016/j.physrep.2019.02.002>>url:https://doi.org/10.1016/j.physrep.2019.02.002||shape="rect"]]
106 1. Jochen R. Schneider,
107 //FLASH - from accelerator test facility to the first single-pass soft x-ray free-electron laser//,
108 J. Phys. B: At. Mol. Opt. Phys. **43**, 194001 (2010);
109 [[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"]]
110 1. J. Feldhaus,
111 //FLASH - the first soft x-ray free electron laser (FEL) user facility//,
112 J. Phys. B: At. Mol. Opt. Phys. **43**, 194002 (2010);
113 [[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"]]
114
115 == PG monochromator beamline ==
116
117 1. M. Martins, M. Wellhöfer, J.T. Hoeft, W. Wurth, J. Feldhaus, and R. Follath,
118 //Monochromator beamline for FLASH//,
119 Rev. Sci. Instrum. **77**, 115108 (2006);
120 [[http:~~/~~/dx.doi.org/10.1063/1.2364148>>url:http://dx.doi.org/10.1063/1.2364148||shape="rect"]]
121 1. N. Gerasimova, S. Dziarzhytski, J. Feldhaus,
122 //The monochromator beamline at FLASH: performance, capabilities and upgrade plans//,
123 Journal of Modern Optics **58**, 1480-1485 (2011); 
124 [[http:~~/~~/dx.doi.org/10.1080/09500340.2011.588344>>url:http://dx.doi.org/10.1080/09500340.2011.588344||shape="rect"]]
125
126 == THz Beamline ==
127
128 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,
129 //New infrared undulator beamline at FLASH//,
130 Infrared Phys. Technol. **51**, 423-425 (2008);
131 [[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"]]\\
132 1. E. Zapolnova, , T. Golz, R. Pan, K. Klose, S. Schreiber and N. Stojanovic.
133 //THz pulse doubler at FLASH: double pulses for pump–probe experiments at X-ray FELs//,
134 J. Synchrotron Rad. **25**, 39-43 (2018);
135 [[https:~~/~~/doi.org/10.1107/S1600577517015442>>url:https://doi.org/10.1107/S1600577517015442||shape="rect"]]
136 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,
137 //Photon diagnostics at the FLASH THz beamline//,
138 J. Synchrotron Rad. **26**, 700-707 (2019);
139 [[https:~~/~~/doi.org/10.1107/S1600577519003412>>url:https://doi.org/10.1107/S1600577519003412||shape="rect"]]
140
141 == CAMP chamber and BL1 (after 2014) ==
142
143 1. (((
144 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,
145 //CAMP@FLASH: an end-station for imaging, electron- and ion-spectroscopy, and pump–probe experiments at the FLASH free-electron laser,//
146
147 J. Synchrotron Rad. **25**(5), 1529 - 1540 (2018)
148 [[http:~~/~~/dx.doi.org/10.1107/S1600577518008585>>url:http://dx.doi.org/10.1107/S1600577518008585||shape="rect"]]
149 )))
150 1. (((
151 {{expand title="LCLS CAMP reference"}}
152 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,
153 //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//,
154 Nucl. Instrum. Methods A **614**, 483–496 (2010);
155 [[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"]]
156 {{/expand}}
157 )))
158
159 == Reaction Microscope (ReMi) at FL26 ==
160
161 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,
162 //Reaction Microscope Endstation at FLASH2//,
163 J. Synchrotron Rad. **26** (2019);
164 [[https:~~/~~/doi.org/10.1107/S1600577519002236>>url:https://doi.org/10.1107/S1600577519002236||shape="rect"]]
165 1. Severin Meister, Hannes Lindenblatt, Florian Trost, Kirsten Schnorr, Sven Augustin, Markus Braune, Rolf Treusch, Thomas Pfeifer, Robert Moshammer,
166 Atomic, Molecular and Cluster Science with the Reaction Microscope Endstation at FLASH2,
167 Appl. Sci. **10**, 2953 (2020);
168 [[https:~~/~~/doi.org/10.3390/app10082>>url:https://doi.org/10.3390/app10082||shape="rect"]]
169
170 == HEXTOF momentum microscope (mostly) at PG2 ==
171
172 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,
173 //Time- and momentum-resolved photoemission studies using time-of-flight momentum microscopy at a free-electron laser//,
174 Rev. Sci. Instrum. **91**, 013109 (2020);
175 [[https:~~/~~/doi.org/10.1063/1.5118777>>url:https://doi.org/10.1063/1.5118777||shape="rect"]]
176 1. (% style="color: rgb(34,34,34);" %)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: rgb(34,34,34);" %) (%%)**7, **(% style="color: rgb(34,34,34);" %)442 (2020). [[https:~~/~~/doi.org/10.1038/s41597-020-00769-8>>url:https://doi.org/10.1038/s41597-020-00769-8||shape="rect"]]
177
178 == MULTIP chamber ==
179
180 (% style="margin-left: 30.0px;" %)
181 Example experiments (on molecules, clusters and liquid jets) carried in the MULTIP chamber:
182
183 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,
184 //Generation and characterization of ultrathin free-flowing liquid sheets//,
185 Nature Comm. **9**, 1353 (2018);
186 [[http:~~/~~/dx.doi.org/10.1038/s41467-018-03696-w>>url:http://dx.doi.org/10.1038/s41467-018-03696-w||shape="rect"]]
187 1. (((
188 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,
189 //A sensitive EUV Schwarzschild microscope for plasma studies with sub-micrometer resolution//,
190 Rev. Sci. Instr. **89**, 023703 (2018);
191 [[http:~~/~~/dx.doi.org/10.1063/1.5007950>>url:http://dx.doi.org/10.1063/1.5007950||shape="rect"]]
192 )))
193 1. (((
194 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,
195 //Resolving Ultrafast Heating of Dense Cryogenic Hydrogen//,
196 Phys. Rev. Lett. **112**, 105002 (2014);
197 [[http:~~/~~/dx.doi.org/10.1103/PhysRevLett.112.105002>>url:http://dx.doi.org/10.1103/PhysRevLett.112.105002||shape="rect"]]
198 )))
199 1. (((
200 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,
201 //Generation of the simplest rotational wave packet in a diatomic molecule: Tracing a two-level superposition in the time domain//,
202 Phys. Rev. A **85**, 052503 (2012);
203 [[http:~~/~~/dx.doi.org/10.1103/PhysRevA.85.052503>>url:http://dx.doi.org/10.1103/PhysRevA.85.052503||shape="rect"]]
204 )))
205
206 (% style="margin-left: 30.0px;" %)
207 Additional XUV spectrometers: Knick-Spec (1.), HiTraX (2.)
208
209 1. (((
210 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,
211 //Hidden Charge States in Soft-X-Ray Laser-Produced Nanoplasmas Revealed by Fluorescence Spectroscopy//,
212 Phys. Rev. Lett. **112**, 183401 (2014);
213 [[http:~~/~~/dx.doi.org/10.1103/PhysRevLett.112.183401>>url:http://dx.doi.org/10.1103/PhysRevLett.112.183401||shape="rect"]]
214 )))
215 1. R.R. Fäustlin, U. Zastrau, S. Toleikis, I. Uschmann, E. Förster and Th. Tschentscher,
216 //A compact soft X-ray spectrograph combining high efficiency and resolution//,
217 JINST **5**, P02004 (2010);
218 [[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"]]
219
220 == MUSIX chamber ==
221
222 1. M. Beye, R.Y. Engel, J.O. Schunck, S. Dziarzhytski, G. Brenner, P.S. Miedema,
223 //Non-Linear Soft X-Ray Methods on Solids with MUSIX - the Multi-Dimensional Spectroscopy and Inelastic X-Ray Scattering Endstation//,
224 J. Phys.: Condens. Matter **31**, 014003 (2019)**,**
225 [[https:~~/~~/doi.org/10.1088/1361-648X/aaedf3>>url:https://doi.org/10.1088/1361-648X/aaedf3||shape="rect"]]
226
227 == URSA-PQ chamber ==
228
229 (% style="text-align: left;" %)
230 1. (((
231 Jan Metje, Fabiano Lever, Dennis Mayer, Richard James Squibb, Matthew S. Robinson, Mario Niebuhr, Raimund Feifel, Stefan Düsterer, Markus Gühr,
232 //URSA-PQ: A Mobile and Flexible Pump-Probe Instrument for Gas Phase Samples at the FLASH Free Electron Laser//,
233 Appl. Sci. **10**, 7882 (2020); [[http:~~/~~/dx.doi.org/10.3390/app10217882>>url:http://dx.doi.org/10.3390/app10217882||style="text-decoration: none;" shape="rect"]]
234 )))
235
236 == Split and Delay Units: ==
237
238 === At beamline PG2 ===
239
240 1. F. Sorgenfrei, W.F. Schlotter, T. Beeck, M. Nagasono, S. Gieschen, H. Meyer, A. Föhlisch, M. Beye, and W. Wurth,
241 //The extreme ultraviolet split and femtosecond delay unit at the plane grating monochromator beamline PG2 at FLASH//,
242 Rev. of Sci. Instr. **81**, 043107 (2010);
243 [[http:~~/~~/dx.doi.org/10.1063/1.3374166>>url:http://dx.doi.org/10.1063/1.3374166||shape="rect"]]**
244 **
245
246 === At beamline BL1 /CAMP ===
247
248 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,
249 //XUV double-pulses with femtosecond to 650 picoseconds separation from a multilayer mirror based split-and-delay unit at FLASH//,
250 J. Synchr. Rad. **25**, (% class="ica_pages" %)1517-1528(%%) (2018);
251 [[https:~~/~~/doi.org/10.1107/S1600577518006094>>url:https://doi.org/10.1107/S1600577518006094||shape="rect"]]
252
253 === At beamline BL2 ===
254
255 1. M. Wöstmann, R. Mitzner, T. Noll, S. Roling, B. Siemer, F. Siewert, S. Eppenhoff, F. Wahlert and H. Zacharias,
256 //The XUV split-and-delay unit at beamline BL2 at FLASH//,
257 J. Phys. B: At. Mol. Opt. Phys. **46**, Special Issue: Frontiers of FEL Science, 164005 (2013);
258 [[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"]]
259 1. R. Mitzner, B. Siemer, S. Roling, M. Wöstmann, T. Noll, F. Siewert, A.A. Sorokin, M. Richter, K. Tiedtke, H. Zacharias,
260 //A new soft x-ray autocorrelator – direct evaluation of the temporal properties of FEL pulses at 24 nm//,
261 Proceedings SRI 2009, AIP Conference Proceedings **1234**, pp. 19-22 (2010);
262 [[http:~~/~~/dx.doi.org/10.1063/1.3463172>>url:http://dx.doi.org/10.1063/1.3463172||shape="rect"]]
263
264 === At beamlines FL24/FL23 ===
265
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 1. (((
271 Sebastian Roling, Matthias Rollnik, Marion Kuhlmann, Elke Plönjes, Frank Wahlert, Helmut Zacharias,
272 //A soft x-ray split-and-delay unit for FLASH II//,
273 Proc. SPIE **10237**, Advances in X-ray Free-Electron Lasers Instrumentation IV, 1023712 (14 June 2017);
274 [[https:~~/~~/doi.org/10.1117/12.2265708>>url:https://doi.org/10.1117/12.2265708||shape="rect"]]
275 )))
276
277 == Fast Switching Mirror (BL beamlines) ==
278
279 1. R. Sternberger, M. Sachwitz, A. Donat, U. Gensch, R. Heller, LV. Vu, U. Hahn, H. Schulte-Schrepping, K. Tiedtke,
280 //A fast switching mirror unit at FLASH//,
281 Nucl. Instrum. Methods A **635**, S47-S51 (2011);
282 [[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"]]
283 1. J. Good, N. Leuschner, J. Nagler, F. Perlick, M. Sachwitz  and L.V. Vu,
284 //A Fast Switching Mirror Unit at FLASH//,
285 J. Phys.: Conf. Series **425**, 122008 (2013);
286 [[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"]]**
287 **
288
289 == 4-mirror polarizer for circular polarization (BL beamlines) ==
290
291 1. C. von Korff Schmising et al.,
292 //Generating circularly polarized radiation in the extreme ultraviolet spectral range at the free-electron laser FLASH//,
293 Review of Scientic Instruments 88 053903 (2017);
294 [[https:~~/~~/doi.org/10.1063/1.4983056>>url:https://doi.org/10.1063/1.4983056||shape="rect"]]
295
296 == Fast shutter (BL, PG, and FLASH2 beamlines) ==
297
298 1. (((
299 E. Plönjes and K. Tiedtke,
300 //The Soft X-ray Free-Electron Laser FLASH at DESY//
301 in Optical Technologies for Extreme-Ultraviolet and Soft X-ray Coherent Sources,
302 edited by F. Canova and L. Poletto (Springer Series in Optical Sciences, Vol. 197, Springer, Heidelberg, 2015);
303 )))
304
305 == Photon diagnostics papers ==
306
307 === **a) Gas Monitor Detector (GMD)** ===
308
309 1. Andrey A. Sorokin, Yilmaz Bican, Susanne Bonfigt, Maciej Brachmanski, Markus Braune, Ulf Fini Jastrow, Alexander Gottwald, Hendrik Kaser, Mathias Richter and Kai Tiedtke,
310 //An X-ray gas monitor for free-electron lasers//,
311 J. Synchrotron Rad. **26**, 1092-1100 (2019);
312 [[https:~~/~~/doi.org/10.1107/S1600577519005174>>url:https://doi.org/10.1107/S1600577519005174||shape="rect"]]
313 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,
314 //Gas-detector for X-ray lasers//,
315 J. Appl. Phys. **103**, 094511 (2008);
316 [[http:~~/~~/dx.doi.org/10.1063/1.2913328>>url:http://dx.doi.org/10.1063/1.2913328||shape="rect"]]
317 1. __ GMD used to determine focal spot sizes__:  (% style="color: rgb(0,0,0);" %)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,(%%)
318 (% style="text-align: left;" %)//Method based on atomic photoionization for spot-size measurement on focused soft x-ray free-electron laser beams//(% style="color: rgb(0,0,0);" %),(%%)
319 (% style="color: rgb(0,0,0);" %)Appl. Phys. Lett. (% style="text-align: left;" %)**89**(% style="color: rgb(0,0,0);" %), 221114 (2006); (%%)[[http:~~/~~/dx.doi.org/10.1063/1.2397561>>url:http://dx.doi.org/doi:10.1063/1.2397561||style="text-decoration: none;text-align: left;" shape="rect"]]
320
321 === **b) VLS Online Spectrometer** ===
322
323 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,
324 //First results from the online variable line spacing grating spectrometer at FLASH//,
325 Nucl. Instr. and Meth A **635**, S99–S103 (2011);
326 [[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"]]
327
328 **see also "Kalypso detector"**
329
330 1. Rota L et al.,
331 (% class="title-text" %)//KALYPSO: Linear array detector for high-repetition rate and real-time beam diagnostics//,
332 (%%)Nucl. Instr. and Meth. A 936 10-13 (2018)
333 [[https:~~/~~/doi.org/10.1016/j.nima.2018.10.093>>url:https://doi.org/10.1016/j.nima.2018.10.093||shape="rect"]]
334
335 === **c) FLASH1 Tunnel Spectrometer
336 ** ===
337
338 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,
339 //Spectroscopic characterization of vacuum ultraviolet free electron laser pulses//,
340 Opt. Lett. **31**, 1750-1752 (2006);
341 [[http:~~/~~/dx.doi.org/10.1364/OL.31.001750>>url:http://dx.doi.org/doi:10.1364/OL.31.001750||style="letter-spacing: 0.0px;" shape="rect"]]
342
343 === **d) Compact Spectrometer
344 ** ===
345
346 1. F. Frassetto, S. Coraggia, S. Dziarzhytski, N. Gerasimova, L. Poletto,
347 //Extreme-ultraviolet compact spectrometer for the characterization of the harmonics content in the free-electron-laser radiation at FLASH//,
348 J. Synchrotron Rad. **19**, 596-601 (2012);
349 [[http:~~/~~/dx.doi.org/10.1107/S0909049512022224>>url:http://dx.doi.org/10.1107/S0909049512022224||shape="rect"]]
350 1. Fabio Frassetto, Siarhei Dziarzhytski, Natalia Guerassimova and Luca Poletto,
351 //Compact spectrometer for on-line photon diagnostics at FLASH//,
352 J. Phys.: Conf. Ser. **425**,122010 (2013);
353 [[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"]]
354 1. F. Frassetto et al.,
355 (% class="title-text" %)//Compact spectrometer for photon diagnostics of the extreme-ultraviolet free-electron-laser radiation//,
356 (%%)Nucl. Instrum. Meth. A 635 S94-98 (2011)
357 [[https:~~/~~/doi.org/10.1016/j.nima.2010.11.004>>url:https://doi.org/10.1016/j.nima.2010.11.004||shape="rect"]]
358
359 === **e) Online photoionization spectrometer (OPIS)** ===
360
361 1. (((
362 Markus Braune, Jens Buck, Marion Kuhlmann, Sören Grunewald, Stefan Düsterer, Jens Viefhaus, Kai Tiedtke
363 //Non-invasive online wavelength measurements at FLASH2 and present benchmark.//
364 Proc. PhotonDiag2017,
365 J. Synchrotron Rad. **25**, 3–15 (2018)
366 (% style="color: rgb(51,102,255);" %)__[[https:~~/~~/doi.org/10.1107/S1600577517013893>>url:https://doi.org/10.1107/S1600577517013893||style="color: rgb(51,102,255);" shape="rect"]]__
367 )))
368 1. Markus Braune, Günter Brenner, Siarhei Dziarzhytski, Pavle Juranić, Andrey Sorokin, Kai Tiedtke,
369 //A non-invasive online photoionization spectrometer for FLASH2//,
370 Proc. PhotonDiag2015,
371 J. Synchrotron Rad. **23**, 10-20 (2016);
372 [[__http:~~/~~/dx.doi.org/10.1107/S1600577515022675__>>url:http://dx.doi.org/10.1107/S1600577515022675||shape="rect"]]
373 1. Wellhöfer, J.T. Hoeft, M. Martins, W. Wurth, M. Braune, J. Viefhaus, M. Richter, K. Tiedtke,
374 //Photoelectron spectroscopy as non-invasive method to monitor SASE-FEL radiation//,
375 JINST **3**, P02003 (2008);
376 [[__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"]]
377
378 === **f) Gotthard detector** ===
379
380 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,
381 //Spectrometer for shot-to-shot photon energy characterization in the multi-bunch mode of the free electron laser at Hamburg//,
382 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"]]
383
384 === **g) KALYPSO detector** ===
385
386 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,
387 //Linear array detector for online diagnostics of spectral distributions at MHz repetition rates//,
388 J. Synchrotron Rad. **26**, 1514-1522 (2019);
389 [[https:~~/~~/doi.org/10.1107/S1600577519007835>>url:https://doi.org/10.1107/S1600577519007835||shape="rect"]]
390
391 === **h) Timing tools (photon arrival time monitors)
392 ** ===
393
394 1. E. Zapolnova, R. Pan, T. Golz, M. Sindik, M. Nikolic, M. Temme, M. Rabasovic, D. Grujic, Z. Chen, S. Toleikis, N. Stojanovic,
395 //XUV-driven plasma switch for THz: new spatio-temporal overlap tool for XUV−THz pump−probe experiments at FELs//,
396 J. Synchrotron Rad. **27**, 11-16 (2020);
397 [[https:~~/~~/doi.org/10.1107/S1600577519014164>>url:https://doi.org/10.1107/S1600577519014164||shape="rect"]]
398 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,
399 //Plasma switch as a temporal overlap tool for pump-probe experiments at FEL facilities//,
400 JINST **7**, P08007 (2012);
401 [[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"]]
402 1. M. Drescher, U. Frühling, M. Krikunova, Th. Maltezopoulos, M. Wieland,
403 //Time-diagnostics for improved dynamics experiments at XUV FELs//,
404 J. Phys. B, **43**, 194010 (2010);
405 [[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"]]
406 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,
407 //Single-shot timing measurement of extreme-ultraviolet free-electron laser pulses,//
408 New Journal of Physics **10**, 033026 (2008);
409 [[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"]]
410 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,
411 //A femtosecond X-ray/optical cross-correlator//,
412 Nature Photonics **2**, 165-169 (2008);
413 [[__http:~~/~~/dx.doi.org/10.1038/nphoton.2007.298__>>url:http://dx.doi.org/10.1038/nphoton.2007.298||shape="rect"]]
414
415 === **i) XUV Pulse Length measurements
416 ** ===
417
418 1. **(overview)**
419 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,
420 //Development of experimental techniques for the characterization of ultrashort photon pulses of extreme ultraviolet free-electron lasers//,
421 Phys. Rev. STAB **17**, 120702 (2014);
422 [[__http:~~/~~/dx.doi.org/10.1103/PhysRevSTAB.17.120702__>>url:http://dx.doi.org/10.1103/PhysRevSTAB.17.120702||shape="rect"]]
423 1. **(THz streaking - different pulse durations)
424 **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-plus-icon reveal-enabled reveal-content reveal-no-animation" %), (% class="reveal-container reveal-plus-icon reveal-enabled reveal-content reveal-no-animation nowrap" %)M Drescher(% class="reveal-container reveal-plus-icon reveal-enabled reveal-content reveal-no-animation" %), (% class="reveal-container reveal-plus-icon reveal-enabled reveal-content reveal-no-animation nowrap" %)I P Sazhina(% class="reveal-container reveal-plus-icon reveal-enabled reveal-content reveal-no-animation" %), (% class="reveal-container reveal-plus-icon reveal-enabled reveal-content reveal-no-animation nowrap" %)A K Kazansky(% class="reveal-container reveal-plus-icon reveal-enabled reveal-content reveal-no-animation" %), (% class="reveal-container reveal-plus-icon reveal-enabled reveal-content reveal-no-animation nowrap" %)N M Kabachnik(% class="reveal-container reveal-plus-icon reveal-enabled reveal-content reveal-no-animation" %) and (% class="reveal-container reveal-plus-icon reveal-enabled reveal-content reveal-no-animation nowrap" %)S. Düsterer(%%)
425 //Single-shot temporal characterization of XUV pulses with duration from ~~10 fs to ~~350 fs at FLASH//__
426 __J. Phys. B: At. Mol. Opt. Phys. (2020)__
427 (% class="Object" %)[[https:~~/~~/doi.org/10.1088/1361-6455/ab9c38>>url:https://doi.org/10.1088/1361-6455/ab9c38||shape="rect"]](%%)__
428 1. (((
429 **(THz streaking - statistical analysis)**
430 I. J. Bermúdez Macias, S. Düsterer, R. Ivanov, J. Liu, G. Brenner, J.Rönsch-Schulenburg, M.K. Czwalinna, and M. V. Yurkov,
431 //Study of temporal, spectral, arrival time and energy fluctuations of SASE FEL pulses//,
432 Optics Express 29, 10491-10508 (2021); 
433 __[[https:~~/~~/doi.org/10.1364/OE.419977>>url:https://doi.org/10.1364/OE.419977||style="letter-spacing: 0.0px;" shape="rect"]]__
434 )))
435
436 {{expand title="Further references - Click here to expand..."}}
437 1. **(general overview - not only FLASH)**
438 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,
439 //Ultrashort Free-Electron Laser X-ray Pulses//,__
440 __Appl. Sci. **7**, 915 (2017);__
441 [[http:~~/~~/dx.doi.org/10.3390/app7090915>>url:http://dx.doi.org/10.3390/app7090915||shape="rect"]]__
442 1. **(THz streaking)**
443 R. Ivanov, J. Liu, G. Brenner, M. Brachmanski, S. Düsterer,**
444 **//FLASH free-electron laser single-shot temporal diagnostic: terahertz-field-driven streaking//,
445 Special Issue (PhotonDiag2017),
446 J. Synchrotron Rad**. 25, **26-31 (2018);
447 [[https:~~/~~/doi.org/10.1107/S160057751701253X>>url:https://doi.org/10.1107/S160057751701253X||shape="rect"]]
448 1. **(THz streaking)**
449 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,
450 //Ultrafast X-ray pulse characterization at free-electron lasers//,
451 Nature Photonics **6**, 852-857 (2012);
452 [[http:~~/~~/dx.doi.org/10.1038/NPHOTON.2012.276>>url:http://dx.doi.org/10.1038/NPHOTON.2012.276||shape="rect"]]
453 1. **(THz streaking)**
454 U. Frühling, M. Wieland, M. Gensch, T. Gebert, B. Schütte, M. Krikunova, R. Kalms^^.^^, F. Budzyn, O. Grimm, J. Rossbach, E. Plönjes, M. Drescher,//
455 Single-shot THz field driven X-ray streak-camera//,
456 Nature Photonics **3**, 523-528 (2009);
457 [[http:~~/~~/dx.doi.org/10.1038/nphoton.2009.160>>url:http://dx.doi.org/10.1038/nphoton.2009.160||shape="rect"]]
458 1. **(spectral measurements)**
459 R. Engel, S. Düsterer, G. Brenner, and U. Teubner,
460 //Quasi-real-time photon pulse duration measurement by analysis of FEL radiation spectra//,
461 Proc. PhotonDiag2015,
462 J. Synchrotron Rad. **23**, 118-122 (2016);
463 [[__http:~~/~~/dx.doi.org/10.1107/S1600577515022997__>>url:http://dx.doi.org/10.1107/S1600577515022997||shape="rect"]]
464 1. (((
465 **(spectral and electron measurements, LOLA)**
466 Behrens C. , Gerasimova N., Gerth Ch., Schmidt B., Schneidmiller E. ,Serkez S., Wesch S., Yurkov, M.  
467 //Constraints on photon pulse duration from longitudinal electron beamdiagnostics at a soft X-ray free-electron laser
468 //Phys. Rev. STAB **15**, 030707 (2012);
469 [[http:~~/~~/dx.doi.org/10.1103/PhysRevSTAB.15.030707>>url:http://dx.doi.org/10.1103/PhysRevSTAB.15.030707||shape="rect"]]
470 )))
471 1. (((
472 **(reflectivity change on solids)**
473 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,
474 //Single-shot pulse duration monitor for extreme ultraviolet and X-ray free-electron lasers//,
475 Nature Comm. **4**, 1731 (2013);
476 [[http:~~/~~/dx.doi.org/10.1038/ncomms2754>>url:http://dx.doi.org/10.1038/ncomms2754||shape="rect"]]
477 )))
478
479 \\
480 {{/expand}}
481
482 \\
483
484 **j) Wavefront Sensor and Wigner Distribution measurements
485 **
486
487 1. B. Keitel, E. Plönjes, S. Kreis, M. Kuhlmann, K. Tiedtke, T. Mey, B. Schäfer, K. Mann,
488 //Hartmann wavefront sensors and their application at FLASH//,
489 Proc. PhotonDiag2015,
490 J. Synchrotron Rad. **23**, 43-49 (2016);
491 [[http:~~/~~/dx.doi.org/10.1107/S1600577515020354>>url:http://dx.doi.org/10.1107/S1600577515020354||shape="rect"]]
492 1. K. Mann, B. Flöter, T. Mey, B. Schäfer, B. Keitel, E. Plönjes, K. Tiedtke,
493 //Hartmann wavefront sensor for EUV radiation//,
494 Proc. SPIE **8679**, Extreme Ultraviolet (EUV) Lithography IV, 867922 (April 1, 2013);
495 [[http:~~/~~/dx.doi.org/10.1117/12.2011508>>url:http://dx.doi.org/10.1117/12.2011508||shape="rect"]]
496
497 {{expand title="Further References: click here to expand..."}}
498 1. T. Mey, //Radiation characteristics of extreme UV and soft X-ray sources//
499 PhD Thesis, Georg-August-Universität Göttingen.
500 Göttingen Series in X-ray Physics; 15 (2015), Universitätsverlag Göttingen, Göttingen, ISBN13: 978-3-86395-211-2;
501 [[__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)
502 1. T. Mey, B. Schäfer, K. Mann, B. Keitel, M. Kuhlmann, and E. Plönjes,
503 //Wigner distribution measurements of the spatial coherence properties of the free-electron laser FLASH//
504 Optics Express **22**, 16571 (2014);
505 [[__http:~~/~~/dx.doi.org/10.1364/OE.22.016571__>>url:http://http/dx.doi.org/10.1364/OE.22.016571||shape="rect"]]
506 1. B. Flöter, //Strahlcharakterisierung von Freie-Elektronen-Lasern im weichen Röntgen-Spektralbereich// 
507 PhD Thesis, Georg-August-Universität Göttingen,
508 Göttingen Series in X-ray Physics; 8 (2012), Universitätsverlag Göttingen, Göttingen, ISBN13: 978-3-86395-074-3;
509 [[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)
510 {{/expand}}
511
512 \\
513
514 ----
515
516 = Pump-Probe Laser systems =
517
518 **a) FLASH2
519 **
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
533 1. H. Redlin, A. Al-Shemmary, A. Azima, N. Stojanovic, F. Tavella, I. Will, S. Düsterer,
534 //The FLASH pump-probe laser system: Setup, characterization and optical beamlines//.,
535 Nucl. Instrum. Methods A **635**, 88–93 (2011);
536 [[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"]]
537 1. **(FEL-laser synchronization)**
538 S. Schulz, M. K. Czwalinna, M. Felber, P. Prędki, S. Schefer, H. Schlarb, U. Wegner,
539 //Femtosecond-precision synchronization of the pump-probe optical laser for user experiments at FLASH//,
540 Proc. SPIE **8778**, Advances in X-ray Free-Electron Lasers II: Instrumentation, 87780R (May 3, 2013);
541 [[http:~~/~~/dx.doi.org/10.1117/12.2021572>>url:http://dx.doi.org/10.1117/12.2021572||shape="rect"]]
542 \\
543
544 **c) pump-probe data analysis**
545
546 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,
547 //Jitter-Correction for IR/UV-XUV Pump-Probe Experiments at the FLASH Free-Electron Laser//,
548 New J. Phys. **19**, 043009 (2017),
549 [[https:~~/~~/doi.org/10.1088/1367-2630/aa652d>>url:https://doi.org/10.1088/1367-2630/aa652d||shape="rect"]]
550
551 **d) HHG laser source at FL26/ReMi**
552
553 1. (((
554 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,
555 //Synchronized beamline at FLASH2 based on high-order harmonic generation for two-color dynamics studies//,
556 Rev. Sci. Instrum. **92**, 123004 (2021);
557 [[https:~~/~~/doi.org/10.1063/5.0063225>>url:https://doi.org/10.1063/5.0063225||shape="rect"]]
558 )))
559 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
560 Trost, Severin Meister, Patrizia Schoch, Rolf Treusch, Robert Moshammer, Ingmar Hartl, Uwe Morgner, and Milutin Kovacev,
561 //A synchronized VUV light source based on high-order harmonic generation at FLASH//,
562 Sci. Rep. **10**, 6867 (2020);
563 (% style="color: rgb(0,51,102);" class="nolink" %)[[https:~~/~~/doi.org/10.1038/s41598-020-63019-2>>url:https://doi.org/10.1038/s41598-020-63019-2||shape="rect"]]
564
565 \\
566
567 = Data analysis =
568
569 **Sorting data**
570
571 1. Dennis Mayer, Fabiano Lever and Markus Gühr,  ** (sorting GMD, BAM and Spectrum)**
572 (% style="letter-spacing: 0.0px;" %)//Data analysis procedures for time-resolved x-ray photoelectron spectroscopy at a SASE free-electron-laser,
573 //(%%)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||style="letter-spacing: 0.0px;" shape="rect"]]
574 1. (((
575 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)
576 **//An open-source, end-to-end workflow for multidimensional photoemission spectroscopy//,
577 Scientific Data **7**, 442 (2020); (%%)[[https:~~/~~/doi.org/10.1038/s41597-020-00769-8>>url:https://doi.org/10.1038/s41597-020-00769-8||style="text-decoration: none;" shape="rect"]]
578 )))
579 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)**
580 //Jitter-Correction for IR/UV-XUV Pump-Probe Experiments at the FLASH Free-Electron Laser//,
581 New J. Phys. **19**, 043009 (2017),
582 [[https:~~/~~/doi.org/10.1088/1367-2630/aa652d>>url:https://doi.org/10.1088/1367-2630/aa652d||shape="rect"]]
583
584 ----
585
586 = Other references =
587
588 **Damage Tresholds of optical components, start at TTF1**
589
590 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,
591 Conductors, semiconductors, and insulators irradiated with shortwavelength free-electron laser,
592 J. Appl. Phys. **101**, 043107 (2007);
593 [[http:~~/~~/dx.doi.org/10.1063/1.2434989>>url:http://dx.doi.org/10.1063/1.2434989||shape="rect"]]
594
595 **Study of fluorescent crystals for beam profile imaging, start at TTF1**
596
597 1. Kirm, A. Andrejczuk, J.Krzywinski, and R. Sobierajski,
598 //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//,
599 phys. stat. sol. (c) **2**, 649-652 (2005);
600 [[__http:~~/~~/dx.doi.org/10.1002/pssc.200460255__>>url:http://dx.doi.org/10.1002/pssc.200460255||shape="rect"]]
601
602 **Study of carbon coatings for FEL mirrors,  start at TTF1__
603 __**
604
605 1. Steeg, L. Juha, J. Feldhaus, S. Jacobi, R. Sobierajski, C.Michaelsen, A. Andrejczuk, and J. Krzywinski,
606 //Total reflection amorphous carbon mirrors for vacuum ultraviolet free electron lasers//,
607 Appl. Phys. Lett. **84**, 657-659 (2004);
608 [[__http:~~/~~/dx.doi.org/10.1063/1.1645320__>>url:http://dx.doi.org/10.1063/1.1645320||shape="rect"]]
609 {{/layout-cell}}
610 {{/layout-section}}
611 {{/layout}}