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5 **Collection of reference papers for FLASH1 and FLASH2 beamlines and instruments.
6 **
7
8 **Last update:** {{date value="2020-06-15" 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 (LOLA)**
67
68 1. C. Behrens, N. Gerasimova, Ch. Gerth, B. Schmidt, E. A. Schneidmiller, S. Serkez, S. Wesch, and M. V. Yurkov,
69 Constraints on photon pulse duration from longitudinal electron beam diagnostics at a soft x-ray free-electron laser,
70 Phys. Rev. ST Accel. Beams 15, 030707,
71 [[https:~~/~~/doi.org/10.1103/PhysRevSTAB.15.030707>>url:https://doi.org/10.1103/PhysRevSTAB.15.030707||shape="rect"]]\\
72
73 **b) Synchronization and Electron Bunch Arrvial time Monitor (BAM)**
74
75 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,
76 //Femtosecond all-optical synchronization of an X-ray free-electron laser//,
77 Nature Communications **6**, 5938 (2015);
78 [[__http:~~/~~/dx.doi.org/10.1038/ncomms6938__>>url:http://dx.doi.org/10.1038/ncomms6938||shape="rect"]]
79 1. (((
80 (% class="pub-info" %)
81 A. Angelovski, et al.
82 //Evaluation of the cone-shaped pickup performance for low charge sub-10 fs arrival-time measurements at free electron laser facilities
83 //Phys. Rev. ST Accel. Beams **18**, 012801 (2015)  [[https:~~/~~/doi.org/10.1103/PhysRevSTAB.18.012801>>url:https://doi.org/10.1103/PhysRevSTAB.18.012801||shape="rect"]]
84 )))
85
86 ----
87
88 = User Facility/Beamline descriptions and Reviews =
89
90 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,
91 //The soft X-ray free-electron laser FLASH at DESY: beamlines, diagnostics, and end stations//,
92 New J. Phys. **11**, 023029 (2009);
93 [[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"]]
94
95 **Reviews**
96
97 1. Jörg Rossbach, Jochen R. Schneider, Wilfried Wurth,
98 //10 years of pioneering X-ray science at the Free-Electron Laser FLASH at DESY//,
99 Physics Reports **808**, 1-74 (2019);
100 [[https:~~/~~/doi.org/10.1016/j.physrep.2019.02.002>>url:https://doi.org/10.1016/j.physrep.2019.02.002||shape="rect"]]
101 1. Jochen R. Schneider,
102 //FLASH - from accelerator test facility to the first single-pass soft x-ray free-electron laser//,
103 J. Phys. B: At. Mol. Opt. Phys. **43**, 194001 (2010);
104 [[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"]]
105 1. J. Feldhaus,
106 //FLASH - the first soft x-ray free electron laser (FEL) user facility//,
107 J. Phys. B: At. Mol. Opt. Phys. **43**, 194002 (2010);
108 [[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"]]
109
110 == PG monochromator beamline ==
111
112 1. M. Martins, M. Wellhöfer, J.T. Hoeft, W. Wurth, J. Feldhaus, and R. Follath,
113 //Monochromator beamline for FLASH//,
114 Rev. Sci. Instrum. **77**, 115108 (2006);
115 [[http:~~/~~/dx.doi.org/10.1063/1.2364148>>url:http://dx.doi.org/10.1063/1.2364148||shape="rect"]]
116 1. N. Gerasimova, S. Dziarzhytski, J. Feldhaus,
117 //The monochromator beamline at FLASH: performance, capabilities and upgrade plans//,
118 Journal of Modern Optics **58**, 1480-1485 (2011); 
119 [[http:~~/~~/dx.doi.org/10.1080/09500340.2011.588344>>url:http://dx.doi.org/10.1080/09500340.2011.588344||shape="rect"]]
120
121 == THz Beamline ==
122
123 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,
124 //New infrared undulator beamline at FLASH//,
125 Infrared Phys. Technol. **51**, 423-425 (2008);
126 [[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"]]\\
127 1. E. Zapolnova, , T. Golz, R. Pan, K. Klose, S. Schreiber and N. Stojanovic.
128 //THz pulse doubler at FLASH: double pulses for pump–probe experiments at X-ray FELs//,
129 J. Synchrotron Rad. **25**, 39-43 (2018);
130 [[https:~~/~~/doi.org/10.1107/S1600577517015442>>url:https://doi.org/10.1107/S1600577517015442||shape="rect"]]
131 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,
132 //Photon diagnostics at the FLASH THz beamline//,
133 J. Synchrotron Rad. **26**, 700-707 (2019);
134 [[https:~~/~~/doi.org/10.1107/S1600577519003412>>url:https://doi.org/10.1107/S1600577519003412||shape="rect"]]
135
136 == CAMP chamber and BL1 (after 2014) ==
137
138 1. (((
139 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,
140 //CAMP@FLASH: an end-station for imaging, electron- and ion-spectroscopy, and pump–probe experiments at the FLASH free-electron laser,//
141
142 J. Synchrotron Rad. **25**(5), 1529 - 1540 (2018)
143 [[http:~~/~~/dx.doi.org/10.1107/S1600577518008585>>url:http://dx.doi.org/10.1107/S1600577518008585||shape="rect"]]
144 )))
145 1. (((
146 {{expand title="LCLS CAMP reference"}}
147 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,
148 //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//,
149 Nucl. Instrum. Methods A **614**, 483–496 (2010);
150 [[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"]]
151 {{/expand}}
152 )))
153
154 == Reaction Microscope (ReMi) at FL26 ==
155
156 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,
157 //Reaction Microscope Endstation at FLASH2//,
158 J. Synchrotron Rad. **26** (2019);
159 [[https:~~/~~/doi.org/10.1107/S1600577519002236>>url:https://doi.org/10.1107/S1600577519002236||shape="rect"]]
160 1. Severin Meister, Hannes Lindenblatt, Florian Trost, Kirsten Schnorr, Sven Augustin, Markus Braune, Rolf Treusch, Thomas Pfeifer, Robert Moshammer,
161 Atomic, Molecular and Cluster Science with the Reaction Microscope Endstation at FLASH2,
162 Appl. Sci. **10**, 2953 (2020);
163 [[https:~~/~~/doi.org/10.3390/app10082>>url:https://doi.org/10.3390/app10082||shape="rect"]]
164
165 == HEXTOF momentum microscope (mostly) at PG2 ==
166
167 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,
168 //Time- and momentum-resolved photoemission studies using time-of-flight momentum microscopy at a free-electron laser//,
169 Rev. Sci. Instrum. **91**, 013109 (2020);
170 [[https:~~/~~/doi.org/10.1063/1.5118777>>url:https://doi.org/10.1063/1.5118777||shape="rect"]]
171
172 == MULTIP chamber ==
173
174 (% style="margin-left: 30.0px;" %)
175 Example experiments (on molecules, clusters and liquid jets) carried in the MULTIP chamber:
176
177 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,
178 //Generation and characterization of ultrathin free-flowing liquid sheets//,
179 Nature Comm. **9**, 1353 (2018);
180 [[http:~~/~~/dx.doi.org/10.1038/s41467-018-03696-w>>url:http://dx.doi.org/10.1038/s41467-018-03696-w||shape="rect"]]
181 1. (((
182 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,
183 //A sensitive EUV Schwarzschild microscope for plasma studies with sub-micrometer resolution//,
184 Rev. Sci. Instr. **89**, 023703 (2018);
185 [[http:~~/~~/dx.doi.org/10.1063/1.5007950>>url:http://dx.doi.org/10.1063/1.5007950||shape="rect"]]
186 )))
187 1. (((
188 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,
189 //Resolving Ultrafast Heating of Dense Cryogenic Hydrogen//,
190 Phys. Rev. Lett. **112**, 105002 (2014);
191 [[http:~~/~~/dx.doi.org/10.1103/PhysRevLett.112.105002>>url:http://dx.doi.org/10.1103/PhysRevLett.112.105002||shape="rect"]]
192 )))
193 1. (((
194 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,
195 //Generation of the simplest rotational wave packet in a diatomic molecule: Tracing a two-level superposition in the time domain//,
196 Phys. Rev. A **85**, 052503 (2012);
197 [[http:~~/~~/dx.doi.org/10.1103/PhysRevA.85.052503>>url:http://dx.doi.org/10.1103/PhysRevA.85.052503||shape="rect"]]
198 )))
199
200 (% style="margin-left: 30.0px;" %)
201 Additional XUV spectrometers: Knick-Spec (1.), HiTraX (2.)
202
203 1. (((
204 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,
205 //Hidden Charge States in Soft-X-Ray Laser-Produced Nanoplasmas Revealed by Fluorescence Spectroscopy//,
206 Phys. Rev. Lett. **112**, 183401 (2014);
207 [[http:~~/~~/dx.doi.org/10.1103/PhysRevLett.112.183401>>url:http://dx.doi.org/10.1103/PhysRevLett.112.183401||shape="rect"]]
208 )))
209 1. R.R. Fäustlin, U. Zastrau, S. Toleikis, I. Uschmann, E. Förster and Th. Tschentscher,
210 //A compact soft X-ray spectrograph combining high efficiency and resolution//,
211 JINST **5**, P02004 (2010);
212 [[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"]]
213
214 == MUSIX chamber ==
215
216 1. M. Beye, R.Y. Engel, J.O. Schunck, S. Dziarzhytski, G. Brenner, P.S. Miedema,
217 //Non-Linear Soft X-Ray Methods on Solids with MUSIX - the Multi-Dimensional Spectroscopy and Inelastic X-Ray Scattering Endstation//,
218 J. Phys.: Condens. Matter **31**, 014003 (2019)**,**
219 [[https:~~/~~/doi.org/10.1088/1361-648X/aaedf3>>url:https://doi.org/10.1088/1361-648X/aaedf3||shape="rect"]]
220
221 == Split and Delay Units: ==
222
223 === At beamline PG2 ===
224
225 1. F. Sorgenfrei, W.F. Schlotter, T. Beeck, M. Nagasono, S. Gieschen, H. Meyer, A. Föhlisch, M. Beye, and W. Wurth,
226 //The extreme ultraviolet split and femtosecond delay unit at the plane grating monochromator beamline PG2 at FLASH//,
227 Rev. of Sci. Instr. **81**, 043107 (2010);
228 [[http:~~/~~/dx.doi.org/10.1063/1.3374166>>url:http://dx.doi.org/10.1063/1.3374166||shape="rect"]]**
229 **
230
231 === At beamline BL1 /CAMP ===
232
233 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,
234 //XUV double-pulses with femtosecond to 650 picoseconds separation from a multilayer mirror based split-and-delay unit at FLASH//,
235 J. Synchr. Rad. **25**, (% class="ica_pages" %)1517-1528(%%) (2018);
236 [[https:~~/~~/doi.org/10.1107/S1600577518006094>>url:https://doi.org/10.1107/S1600577518006094||shape="rect"]]
237
238 === At beamline BL2 ===
239
240 1. M. Wöstmann, R. Mitzner, T. Noll, S. Roling, B. Siemer, F. Siewert, S. Eppenhoff, F. Wahlert and H. Zacharias,
241 //The XUV split-and-delay unit at beamline BL2 at FLASH//,
242 J. Phys. B: At. Mol. Opt. Phys. **46**, Special Issue: Frontiers of FEL Science, 164005 (2013);
243 [[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"]]
244 1. R. Mitzner, B. Siemer, S. Roling, M. Wöstmann, T. Noll, F. Siewert, A.A. Sorokin, M. Richter, K. Tiedtke, H. Zacharias,
245 //A new soft x-ray autocorrelator – direct evaluation of the temporal properties of FEL pulses at 24 nm//,
246 Proceedings SRI 2009, AIP Conference Proceedings **1234**, pp. 19-22 (2010);
247 [[http:~~/~~/dx.doi.org/10.1063/1.3463172>>url:http://dx.doi.org/10.1063/1.3463172||shape="rect"]]
248
249 === At beamlines FL24/FL23 ===
250
251 1. (((
252 Sebastian Roling, Matthias Rollnik, Marion Kuhlmann, Elke Plönjes, Frank Wahlert, Helmut Zacharias,
253 //A soft x-ray split-and-delay unit for FLASH II//,
254 Proc. SPIE 10237, Advances in X-ray Free-Electron Lasers Instrumentation IV, 1023712 (14 June 2017);
255 [[https:~~/~~/doi.org/10.1117/12.2265708>>url:https://doi.org/10.1117/12.2265708||shape="rect"]]
256 )))
257
258 == Fast Switching Mirror (BL beamlines) ==
259
260 1. R. Sternberger, M. Sachwitz, A. Donat, U. Gensch, R. Heller, LV. Vu, U. Hahn, H. Schulte-Schrepping, K. Tiedtke,
261 //A fast switching mirror unit at FLASH//,
262 Nucl. Instrum. Methods A **635**, S47-S51 (2011);
263 [[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"]]
264 1. J. Good, N. Leuschner, J. Nagler, F. Perlick, M. Sachwitz  and L.V. Vu,
265 //A Fast Switching Mirror Unit at FLASH//,
266 J. Phys.: Conf. Series **425**, 122008 (2013);
267 [[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"]]**
268 **
269
270 == 4-mirror polarizer for circular polarization (BL beamlines) ==
271
272 1. C. von Korff Schmising et al.,
273 //Generating circularly polarized radiation in the extreme ultraviolet spectral range at the free-electron laser FLASH//,
274 Review of Scientic Instruments 88 053903 (2017);
275 [[https:~~/~~/doi.org/10.1063/1.4983056>>url:https://doi.org/10.1063/1.4983056||shape="rect"]]
276
277 == Fast shutter (BL, PG, and FLASH2 beamlines) ==
278
279 1. (((
280 E. Plönjes and K. Tiedtke,
281 //The Soft X-ray Free-Electron Laser FLASH at DESY//
282 in Optical Technologies for Extreme-Ultraviolet and Soft X-ray Coherent Sources,
283 edited by F. Canova and L. Poletto (Springer Series in Optical Sciences, Vol. 197, Springer, Heidelberg, 2015);
284 )))
285
286 == Photon diagnostics papers ==
287
288 === **a) Gas Monitor Detector (GMD)** ===
289
290 1. Andrey A. Sorokin, Yilmaz Bican, Susanne Bonfigt, Maciej Brachmanski, Markus Braune, Ulf Fini Jastrow, Alexander Gottwald, Hendrik Kaser, Mathias Richter and Kai Tiedtke,
291 //An X-ray gas monitor for free-electron lasers//,
292 J. Synchrotron Rad. **26**, 1092-1100 (2019);
293 [[https:~~/~~/doi.org/10.1107/S1600577519005174>>url:https://doi.org/10.1107/S1600577519005174||shape="rect"]]
294 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,
295 //Gas-detector for X-ray lasers//,
296 J. Appl. Phys. **103**, 094511 (2008);
297 [[http:~~/~~/dx.doi.org/10.1063/1.2913328>>url:http://dx.doi.org/10.1063/1.2913328||shape="rect"]]
298
299 === **b) VLS Online Spectrometer** ===
300
301 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,
302 //First results from the online variable line spacing grating spectrometer at FLASH//,
303 Nucl. Instr. and Meth A **635**, S99–S103 (2011);
304 [[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"]]
305
306 **see also "Kalypso detector"**
307
308 1. Rota L et al.,
309 (% class="title-text" %)//KALYPSO: Linear array detector for high-repetition rate and real-time beam diagnostics//,
310 (%%)Nucl. Instr. and Meth. A 936 10-13 (2018)
311 [[https:~~/~~/doi.org/10.1016/j.nima.2018.10.093>>url:https://doi.org/10.1016/j.nima.2018.10.093||shape="rect"]]
312
313 === **c) Compact Spectrometer
314 ** ===
315
316 1. F. Frassetto, S. Coraggia, S. Dziarzhytski, N. Gerasimova, L. Poletto,
317 //Extreme-ultraviolet compact spectrometer for the characterization of the harmonics content in the free-electron-laser radiation at FLASH//,
318 J. Synchrotron Rad. **19**, 596-601 (2012);
319 [[http:~~/~~/dx.doi.org/10.1107/S0909049512022224>>url:http://dx.doi.org/10.1107/S0909049512022224||shape="rect"]]
320 1. Fabio Frassetto, Siarhei Dziarzhytski, Natalia Guerassimova and Luca Poletto,
321 //Compact spectrometer for on-line photon diagnostics at FLASH//,
322 J. Phys.: Conf. Ser. **425**,122010 (2013);
323 [[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"]]
324 1. F. Frassetto et al.,
325 (% class="title-text" %)//Compact spectrometer for photon diagnostics of the extreme-ultraviolet free-electron-laser radiation//,
326 (%%)Nucl. Instrum. Meth. A 635 S94-98 (2011)
327 [[https:~~/~~/doi.org/10.1016/j.nima.2010.11.004>>url:https://doi.org/10.1016/j.nima.2010.11.004||shape="rect"]]
328
329 === **d) Online photoionization spectrometer (OPIS)** ===
330
331 1. (((
332 Markus Braune, Jens Buck, Marion Kuhlmann, Sören Grunewald, Stefan Düsterer, Jens Viefhaus, Kai Tiedtke
333 //Non-invasive online wavelength measurements at FLASH2 and present benchmark.//
334 Proc. PhotonDiag2017,
335 J. Synchrotron Rad. **25**, 3–15 (2018)
336 (% 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"]]__
337 )))
338 1. Markus Braune, Günter Brenner, Siarhei Dziarzhytski, Pavle Juranić, Andrey Sorokin, Kai Tiedtke,
339 //A non-invasive online photoionization spectrometer for FLASH2//,
340 Proc. PhotonDiag2015,
341 J. Synchrotron Rad. **23**, 10-20 (2016);
342 [[__http:~~/~~/dx.doi.org/10.1107/S1600577515022675__>>url:http://dx.doi.org/10.1107/S1600577515022675||shape="rect"]]
343 1. Wellhöfer, J.T. Hoeft, M. Martins, W. Wurth, M. Braune, J. Viefhaus, M. Richter, K. Tiedtke,
344 //Photoelectron spectroscopy as non-invasive method to monitor SASE-FEL radiation//,
345 JINST **3**, P02003 (2008);
346 [[__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"]]
347
348 === **e) Gotthard detector** ===
349
350 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,
351 //Spectrometer for shot-to-shot photon energy characterization in the multi-bunch mode of the free electron laser at Hamburg//,
352 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"]]
353
354 === **f) KALYPSO detector** ===
355
356 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,
357 //Linear array detector for online diagnostics of spectral distributions at MHz repetition rates//,
358 J. Synchrotron Rad. **26**, 1514-1522 (2019);
359 [[https:~~/~~/doi.org/10.1107/S1600577519007835>>url:https://doi.org/10.1107/S1600577519007835||shape="rect"]]
360
361 === **g) Timing tools (photon arrival time monitors)
362 ** ===
363
364 1. E. Zapolnova, R. Pan, T. Golz, M. Sindik, M. Nikolic, M. Temme, M. Rabasovic, D. Grujic, Z. Chen, S. Toleikis, N. Stojanovic,
365 //XUV-driven plasma switch for THz: new spatio-temporal overlap tool for XUV−THz pump−probe experiments at FELs//,
366 J. Synchrotron Rad. **27**, 11-16 (2020);
367 [[https:~~/~~/doi.org/10.1107/S1600577519014164>>url:https://doi.org/10.1107/S1600577519014164||shape="rect"]]
368 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,
369 //Plasma switch as a temporal overlap tool for pump-probe experiments at FEL facilities//,
370 JINST **7**, P08007 (2012);
371 [[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"]]
372 1. M. Drescher, U. Frühling, M. Krikunova, Th. Maltezopoulos, M. Wieland,
373 //Time-diagnostics for improved dynamics experiments at XUV FELs//,
374 J. Phys. B, **43**, 194010 (2010);
375 [[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"]]
376 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,
377 //Single-shot timing measurement of extreme-ultraviolet free-electron laser pulses,//
378 New Journal of Physics **10**, 033026 (2008);
379 [[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"]]
380 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,
381 //A femtosecond X-ray/optical cross-correlator//,
382 Nature Photonics **2**, 165-169 (2008);
383 [[__http:~~/~~/dx.doi.org/10.1038/nphoton.2007.298__>>url:http://dx.doi.org/10.1038/nphoton.2007.298||shape="rect"]]
384
385 === **h) XUV Pulse Length measurements
386 ** ===
387
388 1. **(overview)**
389 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,
390 //Development of experimental techniques for the characterization of ultrashort photon pulses of extreme ultraviolet free-electron lasers//,
391 Phys. Rev. STAB **17**, 120702 (2014);
392 [[__http:~~/~~/dx.doi.org/10.1103/PhysRevSTAB.17.120702__>>url:http://dx.doi.org/10.1103/PhysRevSTAB.17.120702||shape="rect"]]
393 1. **(THz streaking)
394 **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(%%)
395 //Single-shot temporal characterization of XUV pulses with duration from ~~10 fs to ~~350 fs at FLASH//__
396 //J. Phys. B: At. Mol. Opt. Phys. (2020)//
397 (% class="Object" %)[[https:~~/~~/doi.org/10.1088/1361-6455/ab9c38>>url:https://doi.org/10.1088/1361-6455/ab9c38||shape="rect"]](%%)__
398
399 {{expand title="Further references - Click here to expand..."}}
400 1. **(general overview - not only FLASH)**
401 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,
402 //Ultrashort Free-Electron Laser X-ray Pulses//,__
403 __Appl. Sci. **7**, 915 (2017);__
404 [[http:~~/~~/dx.doi.org/10.3390/app7090915>>url:http://dx.doi.org/10.3390/app7090915||shape="rect"]]__
405 1. **(THz streaking)**
406 R. Ivanov, J. Liu, G. Brenner, M. Brachmanski, S. Düsterer,**
407 **//FLASH free-electron laser single-shot temporal diagnostic: terahertz-field-driven streaking//,
408 Special Issue (PhotonDiag2017),
409 J. Synchrotron Rad**. 25, **26-31 (2018);
410 [[https:~~/~~/doi.org/10.1107/S160057751701253X>>url:https://doi.org/10.1107/S160057751701253X||shape="rect"]]
411 1. **(THz streaking)**
412 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,
413 //Ultrafast X-ray pulse characterization at free-electron lasers//,
414 Nature Photonics **6**, 852-857 (2012);
415 [[http:~~/~~/dx.doi.org/10.1038/NPHOTON.2012.276>>url:http://dx.doi.org/10.1038/NPHOTON.2012.276||shape="rect"]]
416 1. **(THz streaking)**
417 U. Frühling, M. Wieland, M. Gensch, T. Gebert, B. Schütte, M. Krikunova, R. Kalms^^.^^, F. Budzyn, O. Grimm, J. Rossbach, E. Plönjes, M. Drescher,//
418 Single-shot THz field driven X-ray streak-camera//,
419 Nature Photonics **3**, 523-528 (2009);
420 [[http:~~/~~/dx.doi.org/10.1038/nphoton.2009.160>>url:http://dx.doi.org/10.1038/nphoton.2009.160||shape="rect"]]
421 1. **(spectral measurements)**
422 R. Engel, S. Düsterer, G. Brenner, and U. Teubner,
423 //Quasi-real-time photon pulse duration measurement by analysis of FEL radiation spectra//,
424 Proc. PhotonDiag2015,
425 J. Synchrotron Rad. **23**, 118-122 (2016);
426 [[__http:~~/~~/dx.doi.org/10.1107/S1600577515022997__>>url:http://dx.doi.org/10.1107/S1600577515022997||shape="rect"]]
427 1. (((
428 **(spectral and electron measurements, LOLA)**
429 Behrens C. , Gerasimova N., Gerth Ch., Schmidt B., Schneidmiller E. ,Serkez S., Wesch S., Yurkov, M.  
430 //Constraints on photon pulse duration from longitudinal electron beamdiagnostics at a soft X-ray free-electron laser
431 //Phys. Rev. STAB **15**, 030707 (2012);
432 [[http:~~/~~/dx.doi.org/10.1103/PhysRevSTAB.15.030707>>url:http://dx.doi.org/10.1103/PhysRevSTAB.15.030707||shape="rect"]]
433 )))
434 1. (((
435 **(reflectivity change on solids)**
436 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,
437 //Single-shot pulse duration monitor for extreme ultraviolet and X-ray free-electron lasers//,
438 Nature Comm. **4**, 1731 (2013);
439 [[http:~~/~~/dx.doi.org/10.1038/ncomms2754>>url:http://dx.doi.org/10.1038/ncomms2754||shape="rect"]]
440 )))
441
442 \\
443 {{/expand}}
444
445 \\
446
447 **i) Wavefront Sensor and Wigner Distribution measurements
448 **
449
450 1. B. Keitel, E. Plönjes, S. Kreis, M. Kuhlmann, K. Tiedtke, T. Mey, B. Schäfer, K. Mann,
451 //Hartmann wavefront sensors and their application at FLASH//,
452 Proc. PhotonDiag2015,
453 J. Synchrotron Rad. **23**, 43-49 (2016);
454 [[http:~~/~~/dx.doi.org/10.1107/S1600577515020354>>url:http://dx.doi.org/10.1107/S1600577515020354||shape="rect"]]
455 1. K. Mann, B. Flöter, T. Mey, B. Schäfer, B. Keitel, E. Plönjes, K. Tiedtke,
456 //Hartmann wavefront sensor for EUV radiation//,
457 Proc. SPIE **8679**, Extreme Ultraviolet (EUV) Lithography IV, 867922 (April 1, 2013);
458 [[http:~~/~~/dx.doi.org/10.1117/12.2011508>>url:http://dx.doi.org/10.1117/12.2011508||shape="rect"]]
459
460 {{expand title="Further References: click here to expand..."}}
461 1. T. Mey, //Radiation characteristics of extreme UV and soft X-ray sources//
462 PhD Thesis, Georg-August-Universität Göttingen.
463 Göttingen Series in X-ray Physics; 15 (2015), Universitätsverlag Göttingen, Göttingen, ISBN13: 978-3-86395-211-2;
464 [[__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)
465 1. T. Mey, B. Schäfer, K. Mann, B. Keitel, M. Kuhlmann, and E. Plönjes,
466 //Wigner distribution measurements of the spatial coherence properties of the free-electron laser FLASH//
467 Optics Express **22**, 16571 (2014);
468 [[__http:~~/~~/dx.doi.org/10.1364/OE.22.016571__>>url:http://http/dx.doi.org/10.1364/OE.22.016571||shape="rect"]]
469 1. B. Flöter, //Strahlcharakterisierung von Freie-Elektronen-Lasern im weichen Röntgen-Spektralbereich// 
470 PhD Thesis, Georg-August-Universität Göttingen,
471 Göttingen Series in X-ray Physics; 8 (2012), Universitätsverlag Göttingen, Göttingen, ISBN13: 978-3-86395-074-3;
472 [[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)
473 {{/expand}}
474
475 \\
476
477 ----
478
479 = Pump-Probe Laser systems =
480
481 **a) FLASH2
482 **
483
484 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,
485 Versatile OPCPA Pump-Probe Laser System for the FLASH2 XUV FEL Beamline at DESY,
486 //2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)//, Munich, Germany, 2019, pp. 1-1;
487 [[http:~~/~~/dx.doi.org/10.1109/CLEOE-EQEC.2019.8871596>>url:http://dx.doi.org/10.1109/CLEOE-EQEC.2019.8871596||shape="rect"]]
488 1. N. Schirmel, S. Alisauskas, T. Hülsenbusch, B. Manschwetus, C. Mohr, L. Winkelmann, U. Große-Wortmann, J. Zheng, T. Lang, and I. Hartl,
489 //Long-Term Stabilization of Temporal and Spectral Drifts of a Burst-Mode OPCPA System//,
490 in //Conference on Lasers and Electro-Optics//, OSA Technical Digest (Optical Society of America, 2019), paper STu4E.4.;
491 [[https:~~/~~/doi.org/10.1364/CLEO_SI.2019.STu4E.4>>url:https://doi.org/10.1364/CLEO_SI.2019.STu4E.4||shape="rect"]]
492
493 **b) FLASH1
494 **
495
496 1. H. Redlin, A. Al-Shemmary, A. Azima, N. Stojanovic, F. Tavella, I. Will, S. Düsterer,
497 //The FLASH pump-probe laser system: Setup, characterization and optical beamlines//.,
498 Nucl. Instrum. Methods A **635**, 88–93 (2011);
499 [[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"]]
500 1. **(FEL-laser synchronization)**
501 S. Schulz, M. K. Czwalinna, M. Felber, P. Prędki, S. Schefer, H. Schlarb, U. Wegner,
502 //Femtosecond-precision synchronization of the pump-probe optical laser for user experiments at FLASH//,
503 Proc. SPIE **8778**, Advances in X-ray Free-Electron Lasers II: Instrumentation, 87780R (May 3, 2013);
504 [[http:~~/~~/dx.doi.org/10.1117/12.2021572>>url:http://dx.doi.org/10.1117/12.2021572||shape="rect"]]
505 \\
506
507 **c) pump-probe data analysis**
508
509 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,
510 //Jitter-Correction for IR/UV-XUV Pump-Probe Experiments at the FLASH Free-Electron Laser//,
511 New J. Phys. **19**, 043009 (2017),
512 [[https:~~/~~/doi.org/10.1088/1367-2630/aa652d>>url:https://doi.org/10.1088/1367-2630/aa652d||shape="rect"]]
513
514 **d) HHG laser source at FL26/ReMi**
515
516 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
517 Trost, Severin Meister, Patrizia Schoch, Rolf Treusch, Robert Moshammer, Ingmar Hartl, Uwe Morgner, and Milutin Kovacev,
518 //A synchronized VUV light source based on high-order harmonic generation at FLASH//,
519 Sci. Rep. **10**, 6867 (2020);
520 (% 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"]]
521
522 ----
523
524 = Other references =
525
526 **Damage Tresholds of optical components, start at TTF1**
527
528 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,
529 Conductors, semiconductors, and insulators irradiated with shortwavelength free-electron laser,
530 J. Appl. Phys. **101**, 043107 (2007);
531 [[http:~~/~~/dx.doi.org/10.1063/1.2434989>>url:http://dx.doi.org/10.1063/1.2434989||shape="rect"]]
532
533 **Study of fluorescent crystals for beam profile imaging, start at TTF1**
534
535 1. Kirm, A. Andrejczuk, J.Krzywinski, and R. Sobierajski,
536 //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//,
537 phys. stat. sol. (c) **2**, 649-652 (2005);
538 [[__http:~~/~~/dx.doi.org/10.1002/pssc.200460255__>>url:http://dx.doi.org/10.1002/pssc.200460255||shape="rect"]]
539
540 **Study of carbon coatings for FEL mirrors,  start at TTF1__
541 __**
542
543 1. Steeg, L. Juha, J. Feldhaus, S. Jacobi, R. Sobierajski, C.Michaelsen, A. Andrejczuk, and J. Krzywinski,
544 //Total reflection amorphous carbon mirrors for vacuum ultraviolet free electron lasers//,
545 Appl. Phys. Lett. **84**, 657-659 (2004);
546 [[__http:~~/~~/dx.doi.org/10.1063/1.1645320__>>url:http://dx.doi.org/10.1063/1.1645320||shape="rect"]]
547 {{/layout-cell}}
548 {{/layout-section}}
549 {{/layout}}