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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. 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. 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 == Split and Delay Units: ==
228
229 === At beamline PG2 ===
230
231 1. F. Sorgenfrei, W.F. Schlotter, T. Beeck, M. Nagasono, S. Gieschen, H. Meyer, A. Föhlisch, M. Beye, and W. Wurth,
232 //The extreme ultraviolet split and femtosecond delay unit at the plane grating monochromator beamline PG2 at FLASH//,
233 Rev. of Sci. Instr. **81**, 043107 (2010);
234 [[http:~~/~~/dx.doi.org/10.1063/1.3374166>>url:http://dx.doi.org/10.1063/1.3374166||shape="rect"]]**
235 **
236
237 === At beamline BL1 /CAMP ===
238
239 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,
240 //XUV double-pulses with femtosecond to 650 picoseconds separation from a multilayer mirror based split-and-delay unit at FLASH//,
241 J. Synchr. Rad. **25**, (% class="ica_pages" %)1517-1528(%%) (2018);
242 [[https:~~/~~/doi.org/10.1107/S1600577518006094>>url:https://doi.org/10.1107/S1600577518006094||shape="rect"]]
243
244 === At beamline BL2 ===
245
246 1. M. Wöstmann, R. Mitzner, T. Noll, S. Roling, B. Siemer, F. Siewert, S. Eppenhoff, F. Wahlert and H. Zacharias,
247 //The XUV split-and-delay unit at beamline BL2 at FLASH//,
248 J. Phys. B: At. Mol. Opt. Phys. **46**, Special Issue: Frontiers of FEL Science, 164005 (2013);
249 [[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"]]
250 1. R. Mitzner, B. Siemer, S. Roling, M. Wöstmann, T. Noll, F. Siewert, A.A. Sorokin, M. Richter, K. Tiedtke, H. Zacharias,
251 //A new soft x-ray autocorrelator – direct evaluation of the temporal properties of FEL pulses at 24 nm//,
252 Proceedings SRI 2009, AIP Conference Proceedings **1234**, pp. 19-22 (2010);
253 [[http:~~/~~/dx.doi.org/10.1063/1.3463172>>url:http://dx.doi.org/10.1063/1.3463172||shape="rect"]]
254
255 === At beamlines FL24/FL23 ===
256
257 1. M. Dreimann, S. Roling, F. Wahlert, S. Eppenhoff, M. Kuhlmann, S. Toleikis, M. Brachmanski, R. Treusch, E. Plönjes, H. Zacharias,
258 //A XUV and soft X-ray split-and-delay unit for FLASH2//,
259 Proc. SPIE **11776**, EUV and X-ray Optics, Sources, and Instrumentation; 117760R (30 April 2021);
260 [[https:~~/~~/doi.org/10.1117/12.2597647>>url:https://doi.org/10.1117/12.2597647||shape="rect"]]
261 1. (((
262 Sebastian Roling, Matthias Rollnik, Marion Kuhlmann, Elke Plönjes, Frank Wahlert, Helmut Zacharias,
263 //A soft x-ray split-and-delay unit for FLASH II//,
264 Proc. SPIE **10237**, Advances in X-ray Free-Electron Lasers Instrumentation IV, 1023712 (14 June 2017);
265 [[https:~~/~~/doi.org/10.1117/12.2265708>>url:https://doi.org/10.1117/12.2265708||shape="rect"]]
266 )))
267
268 == Fast Switching Mirror (BL beamlines) ==
269
270 1. R. Sternberger, M. Sachwitz, A. Donat, U. Gensch, R. Heller, LV. Vu, U. Hahn, H. Schulte-Schrepping, K. Tiedtke,
271 //A fast switching mirror unit at FLASH//,
272 Nucl. Instrum. Methods A **635**, S47-S51 (2011);
273 [[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"]]
274 1. J. Good, N. Leuschner, J. Nagler, F. Perlick, M. Sachwitz  and L.V. Vu,
275 //A Fast Switching Mirror Unit at FLASH//,
276 J. Phys.: Conf. Series **425**, 122008 (2013);
277 [[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"]]**
278 **
279
280 == 4-mirror polarizer for circular polarization (BL beamlines) ==
281
282 1. C. von Korff Schmising et al.,
283 //Generating circularly polarized radiation in the extreme ultraviolet spectral range at the free-electron laser FLASH//,
284 Review of Scientic Instruments 88 053903 (2017);
285 [[https:~~/~~/doi.org/10.1063/1.4983056>>url:https://doi.org/10.1063/1.4983056||shape="rect"]]
286
287 == Fast shutter (BL, PG, and FLASH2 beamlines) ==
288
289 1. (((
290 E. Plönjes and K. Tiedtke,
291 //The Soft X-ray Free-Electron Laser FLASH at DESY//
292 in Optical Technologies for Extreme-Ultraviolet and Soft X-ray Coherent Sources,
293 edited by F. Canova and L. Poletto (Springer Series in Optical Sciences, Vol. 197, Springer, Heidelberg, 2015);
294 )))
295
296 == Photon diagnostics papers ==
297
298 === **a) Gas Monitor Detector (GMD)** ===
299
300 1. Andrey A. Sorokin, Yilmaz Bican, Susanne Bonfigt, Maciej Brachmanski, Markus Braune, Ulf Fini Jastrow, Alexander Gottwald, Hendrik Kaser, Mathias Richter and Kai Tiedtke,
301 //An X-ray gas monitor for free-electron lasers//,
302 J. Synchrotron Rad. **26**, 1092-1100 (2019);
303 [[https:~~/~~/doi.org/10.1107/S1600577519005174>>url:https://doi.org/10.1107/S1600577519005174||shape="rect"]]
304 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,
305 //Gas-detector for X-ray lasers//,
306 J. Appl. Phys. **103**, 094511 (2008);
307 [[http:~~/~~/dx.doi.org/10.1063/1.2913328>>url:http://dx.doi.org/10.1063/1.2913328||shape="rect"]]
308
309 === **b) VLS Online Spectrometer** ===
310
311 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,
312 //First results from the online variable line spacing grating spectrometer at FLASH//,
313 Nucl. Instr. and Meth A **635**, S99–S103 (2011);
314 [[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"]]
315
316 **see also "Kalypso detector"**
317
318 1. Rota L et al.,
319 (% class="title-text" %)//KALYPSO: Linear array detector for high-repetition rate and real-time beam diagnostics//,
320 (%%)Nucl. Instr. and Meth. A 936 10-13 (2018)
321 [[https:~~/~~/doi.org/10.1016/j.nima.2018.10.093>>url:https://doi.org/10.1016/j.nima.2018.10.093||shape="rect"]]
322
323 === **c) FLASH1 Tunnel Spectrometer
324 ** ===
325
326 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,
327 //Spectroscopic characterization of vacuum ultraviolet free electron laser pulses//,
328 Opt. Lett. **31**, 1750-1752 (2006);
329 [[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"]]
330
331 === **d) Compact Spectrometer
332 ** ===
333
334 1. F. Frassetto, S. Coraggia, S. Dziarzhytski, N. Gerasimova, L. Poletto,
335 //Extreme-ultraviolet compact spectrometer for the characterization of the harmonics content in the free-electron-laser radiation at FLASH//,
336 J. Synchrotron Rad. **19**, 596-601 (2012);
337 [[http:~~/~~/dx.doi.org/10.1107/S0909049512022224>>url:http://dx.doi.org/10.1107/S0909049512022224||shape="rect"]]
338 1. Fabio Frassetto, Siarhei Dziarzhytski, Natalia Guerassimova and Luca Poletto,
339 //Compact spectrometer for on-line photon diagnostics at FLASH//,
340 J. Phys.: Conf. Ser. **425**,122010 (2013);
341 [[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"]]
342 1. F. Frassetto et al.,
343 (% class="title-text" %)//Compact spectrometer for photon diagnostics of the extreme-ultraviolet free-electron-laser radiation//,
344 (%%)Nucl. Instrum. Meth. A 635 S94-98 (2011)
345 [[https:~~/~~/doi.org/10.1016/j.nima.2010.11.004>>url:https://doi.org/10.1016/j.nima.2010.11.004||shape="rect"]]
346
347 === **e) Online photoionization spectrometer (OPIS)** ===
348
349 1. (((
350 Markus Braune, Jens Buck, Marion Kuhlmann, Sören Grunewald, Stefan Düsterer, Jens Viefhaus, Kai Tiedtke
351 //Non-invasive online wavelength measurements at FLASH2 and present benchmark.//
352 Proc. PhotonDiag2017,
353 J. Synchrotron Rad. **25**, 3–15 (2018)
354 (% 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"]]__
355 )))
356 1. Markus Braune, Günter Brenner, Siarhei Dziarzhytski, Pavle Juranić, Andrey Sorokin, Kai Tiedtke,
357 //A non-invasive online photoionization spectrometer for FLASH2//,
358 Proc. PhotonDiag2015,
359 J. Synchrotron Rad. **23**, 10-20 (2016);
360 [[__http:~~/~~/dx.doi.org/10.1107/S1600577515022675__>>url:http://dx.doi.org/10.1107/S1600577515022675||shape="rect"]]
361 1. Wellhöfer, J.T. Hoeft, M. Martins, W. Wurth, M. Braune, J. Viefhaus, M. Richter, K. Tiedtke,
362 //Photoelectron spectroscopy as non-invasive method to monitor SASE-FEL radiation//,
363 JINST **3**, P02003 (2008);
364 [[__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"]]
365
366 === **f) Gotthard detector** ===
367
368 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,
369 //Spectrometer for shot-to-shot photon energy characterization in the multi-bunch mode of the free electron laser at Hamburg//,
370 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"]]
371
372 === **g) KALYPSO detector** ===
373
374 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,
375 //Linear array detector for online diagnostics of spectral distributions at MHz repetition rates//,
376 J. Synchrotron Rad. **26**, 1514-1522 (2019);
377 [[https:~~/~~/doi.org/10.1107/S1600577519007835>>url:https://doi.org/10.1107/S1600577519007835||shape="rect"]]
378
379 === **h) Timing tools (photon arrival time monitors)
380 ** ===
381
382 1. E. Zapolnova, R. Pan, T. Golz, M. Sindik, M. Nikolic, M. Temme, M. Rabasovic, D. Grujic, Z. Chen, S. Toleikis, N. Stojanovic,
383 //XUV-driven plasma switch for THz: new spatio-temporal overlap tool for XUV−THz pump−probe experiments at FELs//,
384 J. Synchrotron Rad. **27**, 11-16 (2020);
385 [[https:~~/~~/doi.org/10.1107/S1600577519014164>>url:https://doi.org/10.1107/S1600577519014164||shape="rect"]]
386 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,
387 //Plasma switch as a temporal overlap tool for pump-probe experiments at FEL facilities//,
388 JINST **7**, P08007 (2012);
389 [[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"]]
390 1. M. Drescher, U. Frühling, M. Krikunova, Th. Maltezopoulos, M. Wieland,
391 //Time-diagnostics for improved dynamics experiments at XUV FELs//,
392 J. Phys. B, **43**, 194010 (2010);
393 [[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"]]
394 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,
395 //Single-shot timing measurement of extreme-ultraviolet free-electron laser pulses,//
396 New Journal of Physics **10**, 033026 (2008);
397 [[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"]]
398 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,
399 //A femtosecond X-ray/optical cross-correlator//,
400 Nature Photonics **2**, 165-169 (2008);
401 [[__http:~~/~~/dx.doi.org/10.1038/nphoton.2007.298__>>url:http://dx.doi.org/10.1038/nphoton.2007.298||shape="rect"]]
402
403 === **i) XUV Pulse Length measurements
404 ** ===
405
406 1. **(overview)**
407 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,
408 //Development of experimental techniques for the characterization of ultrashort photon pulses of extreme ultraviolet free-electron lasers//,
409 Phys. Rev. STAB **17**, 120702 (2014);
410 [[__http:~~/~~/dx.doi.org/10.1103/PhysRevSTAB.17.120702__>>url:http://dx.doi.org/10.1103/PhysRevSTAB.17.120702||shape="rect"]]
411 1. **(THz streaking - different pulse durations)
412 **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(%%)
413 //Single-shot temporal characterization of XUV pulses with duration from ~~10 fs to ~~350 fs at FLASH//__
414 __J. Phys. B: At. Mol. Opt. Phys. (2020)__
415 (% class="Object" %)[[https:~~/~~/doi.org/10.1088/1361-6455/ab9c38>>url:https://doi.org/10.1088/1361-6455/ab9c38||shape="rect"]](%%)__
416 1. (((
417 **(THz streaking - statistical analysis)**
418 I. J. Bermúdez Macias, S. Düsterer, R. Ivanov, J. Liu, G. Brenner, J.Rönsch-Schulenburg, M.K. Czwalinna, and M. V. Yurkov,
419 //Study of temporal, spectral, arrival time and energy fluctuations of SASE FEL pulses//,
420 Optics Express 29, 10491-10508 (2021); 
421 __[[https:~~/~~/doi.org/10.1364/OE.419977>>url:https://doi.org/10.1364/OE.419977||style="letter-spacing: 0.0px;" shape="rect"]]__
422 )))
423
424 {{expand title="Further references - Click here to expand..."}}
425 1. **(general overview - not only FLASH)**
426 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,
427 //Ultrashort Free-Electron Laser X-ray Pulses//,__
428 __Appl. Sci. **7**, 915 (2017);__
429 [[http:~~/~~/dx.doi.org/10.3390/app7090915>>url:http://dx.doi.org/10.3390/app7090915||shape="rect"]]__
430 1. **(THz streaking)**
431 R. Ivanov, J. Liu, G. Brenner, M. Brachmanski, S. Düsterer,**
432 **//FLASH free-electron laser single-shot temporal diagnostic: terahertz-field-driven streaking//,
433 Special Issue (PhotonDiag2017),
434 J. Synchrotron Rad**. 25, **26-31 (2018);
435 [[https:~~/~~/doi.org/10.1107/S160057751701253X>>url:https://doi.org/10.1107/S160057751701253X||shape="rect"]]
436 1. **(THz streaking)**
437 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,
438 //Ultrafast X-ray pulse characterization at free-electron lasers//,
439 Nature Photonics **6**, 852-857 (2012);
440 [[http:~~/~~/dx.doi.org/10.1038/NPHOTON.2012.276>>url:http://dx.doi.org/10.1038/NPHOTON.2012.276||shape="rect"]]
441 1. **(THz streaking)**
442 U. Frühling, M. Wieland, M. Gensch, T. Gebert, B. Schütte, M. Krikunova, R. Kalms^^.^^, F. Budzyn, O. Grimm, J. Rossbach, E. Plönjes, M. Drescher,//
443 Single-shot THz field driven X-ray streak-camera//,
444 Nature Photonics **3**, 523-528 (2009);
445 [[http:~~/~~/dx.doi.org/10.1038/nphoton.2009.160>>url:http://dx.doi.org/10.1038/nphoton.2009.160||shape="rect"]]
446 1. **(spectral measurements)**
447 R. Engel, S. Düsterer, G. Brenner, and U. Teubner,
448 //Quasi-real-time photon pulse duration measurement by analysis of FEL radiation spectra//,
449 Proc. PhotonDiag2015,
450 J. Synchrotron Rad. **23**, 118-122 (2016);
451 [[__http:~~/~~/dx.doi.org/10.1107/S1600577515022997__>>url:http://dx.doi.org/10.1107/S1600577515022997||shape="rect"]]
452 1. (((
453 **(spectral and electron measurements, LOLA)**
454 Behrens C. , Gerasimova N., Gerth Ch., Schmidt B., Schneidmiller E. ,Serkez S., Wesch S., Yurkov, M.  
455 //Constraints on photon pulse duration from longitudinal electron beamdiagnostics at a soft X-ray free-electron laser
456 //Phys. Rev. STAB **15**, 030707 (2012);
457 [[http:~~/~~/dx.doi.org/10.1103/PhysRevSTAB.15.030707>>url:http://dx.doi.org/10.1103/PhysRevSTAB.15.030707||shape="rect"]]
458 )))
459 1. (((
460 **(reflectivity change on solids)**
461 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,
462 //Single-shot pulse duration monitor for extreme ultraviolet and X-ray free-electron lasers//,
463 Nature Comm. **4**, 1731 (2013);
464 [[http:~~/~~/dx.doi.org/10.1038/ncomms2754>>url:http://dx.doi.org/10.1038/ncomms2754||shape="rect"]]
465 )))
466
467 \\
468 {{/expand}}
469
470 \\
471
472 **j) Wavefront Sensor and Wigner Distribution measurements
473 **
474
475 1. B. Keitel, E. Plönjes, S. Kreis, M. Kuhlmann, K. Tiedtke, T. Mey, B. Schäfer, K. Mann,
476 //Hartmann wavefront sensors and their application at FLASH//,
477 Proc. PhotonDiag2015,
478 J. Synchrotron Rad. **23**, 43-49 (2016);
479 [[http:~~/~~/dx.doi.org/10.1107/S1600577515020354>>url:http://dx.doi.org/10.1107/S1600577515020354||shape="rect"]]
480 1. K. Mann, B. Flöter, T. Mey, B. Schäfer, B. Keitel, E. Plönjes, K. Tiedtke,
481 //Hartmann wavefront sensor for EUV radiation//,
482 Proc. SPIE **8679**, Extreme Ultraviolet (EUV) Lithography IV, 867922 (April 1, 2013);
483 [[http:~~/~~/dx.doi.org/10.1117/12.2011508>>url:http://dx.doi.org/10.1117/12.2011508||shape="rect"]]
484
485 {{expand title="Further References: click here to expand..."}}
486 1. T. Mey, //Radiation characteristics of extreme UV and soft X-ray sources//
487 PhD Thesis, Georg-August-Universität Göttingen.
488 Göttingen Series in X-ray Physics; 15 (2015), Universitätsverlag Göttingen, Göttingen, ISBN13: 978-3-86395-211-2;
489 [[__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)
490 1. T. Mey, B. Schäfer, K. Mann, B. Keitel, M. Kuhlmann, and E. Plönjes,
491 //Wigner distribution measurements of the spatial coherence properties of the free-electron laser FLASH//
492 Optics Express **22**, 16571 (2014);
493 [[__http:~~/~~/dx.doi.org/10.1364/OE.22.016571__>>url:http://http/dx.doi.org/10.1364/OE.22.016571||shape="rect"]]
494 1. B. Flöter, //Strahlcharakterisierung von Freie-Elektronen-Lasern im weichen Röntgen-Spektralbereich// 
495 PhD Thesis, Georg-August-Universität Göttingen,
496 Göttingen Series in X-ray Physics; 8 (2012), Universitätsverlag Göttingen, Göttingen, ISBN13: 978-3-86395-074-3;
497 [[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)
498 {{/expand}}
499
500 \\
501
502 ----
503
504 = Pump-Probe Laser systems =
505
506 **a) FLASH2
507 **
508
509 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,
510 Versatile OPCPA Pump-Probe Laser System for the FLASH2 XUV FEL Beamline at DESY,
511 //2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)//, Munich, Germany, 2019, pp. 1-1;
512 [[http:~~/~~/dx.doi.org/10.1109/CLEOE-EQEC.2019.8871596>>url:http://dx.doi.org/10.1109/CLEOE-EQEC.2019.8871596||shape="rect"]]
513 1. N. Schirmel, S. Alisauskas, T. Hülsenbusch, B. Manschwetus, C. Mohr, L. Winkelmann, U. Große-Wortmann, J. Zheng, T. Lang, and I. Hartl,
514 //Long-Term Stabilization of Temporal and Spectral Drifts of a Burst-Mode OPCPA System//,
515 in //Conference on Lasers and Electro-Optics//, OSA Technical Digest (Optical Society of America, 2019), paper STu4E.4.;
516 [[https:~~/~~/doi.org/10.1364/CLEO_SI.2019.STu4E.4>>url:https://doi.org/10.1364/CLEO_SI.2019.STu4E.4||shape="rect"]]
517
518 **b) FLASH1
519 **
520
521 1. H. Redlin, A. Al-Shemmary, A. Azima, N. Stojanovic, F. Tavella, I. Will, S. Düsterer,
522 //The FLASH pump-probe laser system: Setup, characterization and optical beamlines//.,
523 Nucl. Instrum. Methods A **635**, 88–93 (2011);
524 [[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"]]
525 1. **(FEL-laser synchronization)**
526 S. Schulz, M. K. Czwalinna, M. Felber, P. Prędki, S. Schefer, H. Schlarb, U. Wegner,
527 //Femtosecond-precision synchronization of the pump-probe optical laser for user experiments at FLASH//,
528 Proc. SPIE **8778**, Advances in X-ray Free-Electron Lasers II: Instrumentation, 87780R (May 3, 2013);
529 [[http:~~/~~/dx.doi.org/10.1117/12.2021572>>url:http://dx.doi.org/10.1117/12.2021572||shape="rect"]]
530 \\
531
532 **c) pump-probe data analysis**
533
534 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,
535 //Jitter-Correction for IR/UV-XUV Pump-Probe Experiments at the FLASH Free-Electron Laser//,
536 New J. Phys. **19**, 043009 (2017),
537 [[https:~~/~~/doi.org/10.1088/1367-2630/aa652d>>url:https://doi.org/10.1088/1367-2630/aa652d||shape="rect"]]
538
539 **d) HHG laser source at FL26/ReMi**
540
541 1. (((
542 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,
543 //Synchronized beamline at FLASH2 based on high-order harmonic generation for two-color dynamics studies//,
544 Rev. Sci. Instrum. **92**, 123004 (2021);
545 [[https:~~/~~/doi.org/10.1063/5.0063225>>url:https://doi.org/10.1063/5.0063225||shape="rect"]]
546 )))
547 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
548 Trost, Severin Meister, Patrizia Schoch, Rolf Treusch, Robert Moshammer, Ingmar Hartl, Uwe Morgner, and Milutin Kovacev,
549 //A synchronized VUV light source based on high-order harmonic generation at FLASH//,
550 Sci. Rep. **10**, 6867 (2020);
551 (% 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"]]
552
553 ----
554
555 = Other references =
556
557 **Damage Tresholds of optical components, start at TTF1**
558
559 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,
560 Conductors, semiconductors, and insulators irradiated with shortwavelength free-electron laser,
561 J. Appl. Phys. **101**, 043107 (2007);
562 [[http:~~/~~/dx.doi.org/10.1063/1.2434989>>url:http://dx.doi.org/10.1063/1.2434989||shape="rect"]]
563
564 **Study of fluorescent crystals for beam profile imaging, start at TTF1**
565
566 1. Kirm, A. Andrejczuk, J.Krzywinski, and R. Sobierajski,
567 //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//,
568 phys. stat. sol. (c) **2**, 649-652 (2005);
569 [[__http:~~/~~/dx.doi.org/10.1002/pssc.200460255__>>url:http://dx.doi.org/10.1002/pssc.200460255||shape="rect"]]
570
571 **Study of carbon coatings for FEL mirrors,  start at TTF1__
572 __**
573
574 1. Steeg, L. Juha, J. Feldhaus, S. Jacobi, R. Sobierajski, C.Michaelsen, A. Andrejczuk, and J. Krzywinski,
575 //Total reflection amorphous carbon mirrors for vacuum ultraviolet free electron lasers//,
576 Appl. Phys. Lett. **84**, 657-659 (2004);
577 [[__http:~~/~~/dx.doi.org/10.1063/1.1645320__>>url:http://dx.doi.org/10.1063/1.1645320||shape="rect"]]
578 {{/layout-cell}}
579 {{/layout-section}}
580 {{/layout}}