Last modified by sndueste on 2025/01/14 17:03
From version 52.1
edited by erkben
on 2020/05/13 16:07
Change comment: There is no comment for this version
To version 70.1
edited by sndueste
on 2020/06/10 17:44
Change comment: There is no comment for this version

Summary

Details

Page properties
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.erkben
1 +XWiki.sndueste
Content
... ... @@ -4,7 +4,7 @@
4 4  {{note}}
5 5  **Collection of THE reference papers from FLASH**
6 6  
7 -**Last update:** UNDER CONSTRUCTION, based on status 2016, partially updated {{date value="2020-05-13" format="yyyy-MM-dd"/}}
7 +**Last update:** UNDER CONSTRUCTION, based on status 2016, partially updated {{date value="2020-05-28" format="yyyy-MM-dd"/}}
8 8  
9 9  **In case of multiple references, the most complete or up-to-date should be 1st.**
10 10  {{/note}}
... ... @@ -29,7 +29,7 @@
29 29  {{layout-cell}}
30 30  
31 31  
32 -{{toc/}}
32 +{{toc exclude="Task report"/}}
33 33  {{/layout-cell}}
34 34  {{/layout-section}}
35 35  
... ... @@ -50,7 +50,7 @@
50 50  
51 51   **Most recent status:**
52 52  
53 -1. Bart Faatz, Markus Braune, Olaf Hensler, Katja Honkavaara, Raimund Kammering, Marion Kuhlmann, Elke Ploenjes, Juliane Roensch-Schulenburg, Evgeny Schneidmiller, Siegfried Schreiber, Kai Tiedtke, Markus Tischer, Rolf Treusch, Mathias Vogt, Wilfried Wurth, Mikhail Yurkov and Johann Zamella,
53 +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,
54 54  //The FLASH Facility: Advanced Options for FLASH2 and Future Perspectives//,
55 55  Appl. Sci. **7**, 1114 (2017);
56 56  [[http:~~/~~/dx.doi.org/10.3390/app7111114>>url:http://dx.doi.org/10.3390/app7111114||shape="rect"]]\\
... ... @@ -83,18 +83,17 @@
83 83  //Femtosecond all-optical synchronization of an X-ray free-electron laser//,
84 84  Nature Communications **6**, 5938 (2015);
85 85  [[__http:~~/~~/dx.doi.org/10.1038/ncomms6938__>>url:http://dx.doi.org/10.1038/ncomms6938||shape="rect"]]
86 +1. (((
87 +A. Angelovski, et al.
88 +//High bandwidth pickup design for bunch arrival-time monitors for free-electron lasers//,
89 +Phys. Rev. Lett. Spec. Top.– Accelerators and Beams **15**, 112803 (2012)
90 +[[https:~~/~~/link.aps.org/pdf/10.1103/PhysRevSTAB.15.112803>>url:https://link.aps.org/pdf/10.1103/PhysRevSTAB.15.112803||shape="rect"]]
91 +)))
86 86  1. F. Löhl, V. Arsov, M. Felber, K. Hacker, W. Jalmuzna, B. Lorbeer, F. Ludwig, K.-H. Matthiesen, H. Schlarb, B. Schmidt, P. Schmüser, S. Schulz, J. Szewinski, A. Winter, and J. Zemella,
87 87  //Electron Bunch Timing with Femtosecond Precision in a Superconducting Free-Electron Laser,
88 88  //Phys. Rev. Lett. **104**, 144801 (2010);
89 89  [[http:~~/~~/dx.doi.org/10.1103/PhysRevLett.104.144801>>url:http://dx.doi.org/10.1103/PhysRevLett.104.144801||shape="rect"]]
90 90  
91 -(% class="task-list" %)
92 -(((
93 -{{task reference="/Tasks/Task_5" status="InProgress"}}
94 -add newer references for BAM (also at FLASH2)
95 -{{/task}}
96 -)))
97 -
98 98  ----
99 99  
100 100  = User Facility/Beamline descriptions and Reviews =
... ... @@ -266,7 +266,7 @@
266 266  
267 267  == Fast Switching Mirror (BL beamlines) ==
268 268  
269 -1. R. Sternberger, M. Sachwitz, A. Donat, U. Gensch, R. Heller, LV. Vu, U. Hahn, H. Schulte-Schrepping, K.  Tiedtke,
268 +1. R. Sternberger, M. Sachwitz, A. Donat, U. Gensch, R. Heller, LV. Vu, U. Hahn, H. Schulte-Schrepping, K. Tiedtke,
270 270  //A fast switching mirror unit at FLASH//,
271 271  Nucl. Instrum. Methods A **635**, S47-S51 (2011);
272 272  [[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"]]
... ... @@ -276,9 +276,24 @@
276 276  [[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"]]**
277 277  **
278 278  
278 +== 4-mirror polarizer for circular polarization (BL beamlines) ==
279 +
280 +1. C. von Korff Schmising et al.,
281 +Review of Scientic Instruments 88 053903 (2017)
282 +[[https:~~/~~/doi.org/10.1063/1.4983056>>url:https://doi.org/10.1063/1.4983056||shape="rect"]]
283 +
284 +== Fast shutter (BL, PG, and FLASH2 beamlines) ==
285 +
286 +1. (((
287 +E. Plönjes and K. Tiedtke,
288 +//The Soft X-ray Free-Electron Laser FLASH at DESY//
289 +in Optical Technologies for Extreme-Ultraviolet and Soft X-ray Coherent Sources,
290 +edited by F. Canova and L. Poletto (Springer Series in Optical Sciences, Vol. 197, Springer, Heidelberg, 2015);
291 +)))
292 +
279 279  == Photon diagnostics papers ==
280 280  
281 -**a) Gas Monitor Detector (GMD)**
295 +=== **a) Gas Monitor Detector (GMD)** ===
282 282  
283 283  1. Andrey A. Sorokin, Yilmaz Bican, Susanne Bonfigt, Maciej Brachmanski, Markus Braune, Ulf Fini Jastrow, Alexander Gottwald, Hendrik Kaser, Mathias Richter and Kai Tiedtke,
284 284  //An X-ray gas monitor for free-electron lasers//,
... ... @@ -289,15 +289,19 @@
289 289  J. Appl. Phys. **103**, 094511 (2008);
290 290  [[http:~~/~~/dx.doi.org/10.1063/1.2913328>>url:http://dx.doi.org/10.1063/1.2913328||shape="rect"]]
291 291  
292 -**b) VLS Online Spectrometer**
306 +=== **b) VLS Online Spectrometer** ===
293 293  
294 -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,
308 +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,
295 295  //First results from the online variable line spacing grating spectrometer at FLASH//,
296 296  Nucl. Instr. and Meth A **635**, S99–S103 (2011);
297 297  [[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"]]
312 +1. see also "Kalypso detector"
313 +Rota L et al.,
314 +Nucl. Instr. and Meth. A 936 10-13 (2018)
315 +[[https:~~/~~/doi.org/10.1016/j.nima.2018.10.093>>url:https://doi.org/10.1016/j.nima.2018.10.093||shape="rect"]]
298 298  
299 -**c) Compact Spectrometer
300 -**
317 +=== **c) Compact Spectrometer
318 +** ===
301 301  
302 302  1. F. Frassetto, S. Coraggia, S. Dziarzhytski, N. Gerasimova, L. Poletto,
303 303  //Extreme-ultraviolet compact spectrometer for the characterization of the harmonics content in the free-electron-laser radiation at FLASH//,
... ... @@ -307,8 +307,11 @@
307 307  //Compact spectrometer for on-line photon diagnostics at FLASH//,
308 308  J. Phys.: Conf. Ser. **425**,122010 (2013);
309 309  [[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"]]
328 +1. F. Frassetto et al.,
329 +Nucl. Instrum. Meth. A 635 S94-98 (2011)
330 +[[https:~~/~~/doi.org/10.1016/j.nima.2010.11.004>>url:https://doi.org/10.1016/j.nima.2010.11.004||shape="rect"]]
310 310  
311 -**d) Online photoionization spectrometer (OPIS)**
332 +=== **d) Online photoionization spectrometer (OPIS)** ===
312 312  
313 313  1. (((
314 314  Markus Braune, Jens Buck, Marion Kuhlmann, Sören Grunewald, Stefan Düsterer, Jens Viefhaus and Kai Tiedtke
... ... @@ -327,13 +327,13 @@
327 327  JINST **3**, P02003 (2008);
328 328  [[__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"]]
329 329  
330 -**e) Gotthard detector**
351 +=== **e) Gotthard detector** ===
331 331  
332 332  1. Palutke, N.C. Gerken, K. Mertens, S. Klumpp, A. Mozzanica, B. Schmitt, C. Wunderer, H. Graafsma, K.-H. Meiwes-Broer, W. Wurth and M. Martins,
333 333  //Spectrometer for shot-to-shot photon energy characterization in the multi-bunch mode of the free electron laser at Hamburg//,
334 334  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"]]
335 335  
336 -**f) KALYPSO detector**
357 +=== **f) KALYPSO detector** ===
337 337  
338 338  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 and K. Tiedtke,
339 339  //Linear array detector for online diagnostics of spectral distributions at MHz repetition rates//,
... ... @@ -340,51 +340,69 @@
340 340  J. Synchrotron Rad. **26**, 1514-1522 (2019);
341 341  [[https:~~/~~/doi.org/10.1107/S1600577519007835>>url:https://doi.org/10.1107/S1600577519007835||shape="rect"]]
342 342  
343 -**~ g) Pulse Length and Timing tools**
364 +=== **g) Timing tools (photon arrival time monitors)
365 +** ===
344 344  
345 345  1. E. Zapolnova, R. Pan, T. Golz, M. Sindik, M. Nikolic, M. Temme, M. Rabasovic, D. Grujic, Z. Chen, S. Toleikis and N. Stojanovic,
346 346  //XUV-driven plasma switch for THz: new spatio-temporal overlap tool for XUV−THz pump−probe experiments at FELs//,
347 347  J. Synchrotron Rad. **27**, 11-16 (2020);
348 348  [[https:~~/~~/doi.org/10.1107/S1600577519014164>>url:https://doi.org/10.1107/S1600577519014164||shape="rect"]]
349 -1. Robin Engel, Stefan Düsterer, Günter Brenner and Ulrich Teubner,
350 -//Quasi-real-time photon pulse duration measurement by analysis of FEL radiation spectra//,
351 -Proc. PhotonDiag2015,
352 -J. Synchrotron Rad. **23**, 118-122 (2016);
353 -[[__http:~~/~~/dx.doi.org/10.1107/S1600577515022997__>>url:http://dx.doi.org/10.1107/S1600577515022997||shape="rect"]]
354 -1. 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, and S. Schreiber,
355 -//Development of experimental techniques for the characterization of ultrashort photon pulses of extreme ultraviolet free-electron lasers//,
356 -Phys. Rev. STAB **17**, 120702 (2014);
357 -[[__http:~~/~~/dx.doi.org/10.1103/PhysRevSTAB.17.120702__>>url:http://dx.doi.org/10.1103/PhysRevSTAB.17.120702||shape="rect"]]
358 -1. (((
359 -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 and F. Tavella,
360 -//Single-shot pulse duration monitor for extreme ultraviolet and X-ray free-electron lasers//,
361 -Nature Comm. **4**, 1731 (2013);
362 -[[http:~~/~~/dx.doi.org/10.1038/ncomms2754>>url:http://dx.doi.org/10.1038/ncomms2754||shape="rect"]]
363 -)))
364 364  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 and S.Toleikis,
365 365  //Plasma switch as a temporal overlap tool for pump-probe experiments at FEL facilities//,
366 366  JINST **7**, P08007 (2012);
367 367  [[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"]]
375 +1. M. Drescher, U. Frühling, M. Krikunova, Th. Maltezopoulos and M. Wieland,
376 +//Time-diagnostics for improved dynamics experiments at XUV FELs//,
377 +J. Phys. B, **43**, 194010 (2010);
378 +[[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"]]
368 368  1. Cornelius Gahl, Armin Azima, Martin Beye, Martin Deppe, Kristian Döbrich, Urs Hasslinger, Franz Hennies, Alexej Melnikov, Mitsuru Nagasono, Annette Pietzsch, Martin Wolf, Wilfried Wurth and Alexander Föhlisch,
369 369  //A femtosecond X-ray/optical cross-correlator//,
370 370  Nature Photonics **2**, 165-169 (2008);
371 371  [[__http:~~/~~/dx.doi.org/10.1038/nphoton.2007.298__>>url:http://dx.doi.org/10.1038/nphoton.2007.298||shape="rect"]]
372 372  
373 -**h) THz streak camera**
384 +=== **h) XUV Pulse Length measurements
385 +** ===
374 374  
375 -(% class="task-list" %)
376 -(((
377 -{{task reference="/Tasks/Task_6" status="InProgress"}}
378 -{{mention reference="XWiki.sndueste" style="FULL_NAME" anchor="XWiki-sndueste-gxoTA"/}}, please check if this should be included in this list or rather something else
379 -{{/task}}
380 -)))
381 -
382 -1. Frühling, M. Wieland, M. Gensch, T. Gebert, B. Schütte, M. Krikunova, R. Kalms^^.^^, F. Budzyn, O. Grimm, J. Rossbach, E. Plönjes and M. Drescher,//
387 +1. (overview)  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, and S. Schreiber,
388 +//Development of experimental techniques for the characterization of ultrashort photon pulses of extreme ultraviolet free-electron lasers//,
389 +Phys. Rev. STAB **17**, 120702 (2014);
390 +[[__http:~~/~~/dx.doi.org/10.1103/PhysRevSTAB.17.120702__>>url:http://dx.doi.org/10.1103/PhysRevSTAB.17.120702||shape="rect"]]
391 +1. (general overview - not only FLASH) Wolfram Helml, Ivanka Grguraš, Pavle N. Juranić, Stefan Düsterer, Tommaso Mazza, Andreas R. Maier, Nick Hartmann, Markus Ilchen, Gregor Hartmann, Luc Patthey, Carlo Callegari, John T. Costello, Michael Meyer, Ryan N. Coffee, Adrian L. Cavalieri and Reinhard Kienberger,
392 +//Ultrashort Free-Electron Laser X-ray Pulses//,__
393 +__Appl. Sci. **7**, 915 (2017);__
394 +[[http:~~/~~/dx.doi.org/10.3390/app7090915>>url:http://dx.doi.org/10.3390/app7090915||shape="rect"]]__
395 +1. (THz streaking) R. Ivanov, J. Liu, G. Brenner, M. Brachmanski and S. Düsterer,**
396 +**//FLASH free-electron laser single-shot temporal diagnostic: terahertz-field-driven streaking//,
397 +Special Issue (PhotonDiag2017),
398 +J. Synchrotron Rad**. 25, **26-31 (2018);
399 +[[https:~~/~~/doi.org/10.1107/S160057751701253X>>url:https://doi.org/10.1107/S160057751701253X||shape="rect"]]
400 +1. (THz streaking) 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 and A.L. Cavalieri,
401 +//Ultrafast X-ray pulse characterization at free-electron lasers//,
402 +Nature Photonics **6**, 852-857 (2012);
403 +[[http:~~/~~/dx.doi.org/10.1038/NPHOTON.2012.276>>url:http://dx.doi.org/10.1038/NPHOTON.2012.276||shape="rect"]]
404 +1. (THz streaking)  Frühling, M. Wieland, M. Gensch, T. Gebert, B. Schütte, M. Krikunova, R. Kalms^^.^^, F. Budzyn, O. Grimm, J. Rossbach, E. Plönjes and M. Drescher,//
383 383  Single-shot THz field driven X-ray streak-camera//,
384 384  Nature Photonics **3**, 523-528 (2009);
385 385  [[http:~~/~~/dx.doi.org/10.1038/nphoton.2009.160>>url:http://dx.doi.org/10.1038/nphoton.2009.160||shape="rect"]]
408 +1. (spectral measurements) Robin Engel, Stefan Düsterer, Günter Brenner and Ulrich Teubner,
409 +//Quasi-real-time photon pulse duration measurement by analysis of FEL radiation spectra//,
410 +Proc. PhotonDiag2015,
411 +J. Synchrotron Rad. **23**, 118-122 (2016);
412 +[[__http:~~/~~/dx.doi.org/10.1107/S1600577515022997__>>url:http://dx.doi.org/10.1107/S1600577515022997||shape="rect"]]
413 +1. (((
414 +(spectral measurements) Behrens C. , Gerasimova N., Gerth Ch., Schmidt B., Schneidmiller E. ,Serkez S., Wesch S., Yurkov, M.  
415 +//Constraints on photon pulse duration from longitudinal electron beamdiagnostics at a soft X-ray free-electron laser
416 +//Phys. Rev. STAB **15**, 030707 (2012);
417 +[[http:~~/~~/dx.doi.org/10.1103/PhysRevSTAB.15.030707>>url:http://dx.doi.org/10.1103/PhysRevSTAB.15.030707||shape="rect"]]
418 +)))
419 +1. (((
420 +(reflectivity change on solids) 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 and F. Tavella,
421 +//Single-shot pulse duration monitor for extreme ultraviolet and X-ray free-electron lasers//,
422 +Nature Comm. **4**, 1731 (2013);
423 +[[http:~~/~~/dx.doi.org/10.1038/ncomms2754>>url:http://dx.doi.org/10.1038/ncomms2754||shape="rect"]]
424 +)))
386 386  
387 -**~ **
426 +\\
388 388  
389 389  **i) Wavefront Sensor and Wigner Distribution measurements
390 390  **
... ... @@ -440,6 +440,13 @@
440 440  [[http:~~/~~/dx.doi.org/10.1117/12.2021572>>url:http://dx.doi.org/10.1117/12.2021572||shape="rect"]]
441 441  \\
442 442  
482 +**pump-probe data analysis**
483 +
484 +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,
485 +//Jitter-Correction for IR/UV-XUV Pump-Probe Experiments at the FLASH Free-Electron Laser//,
486 +New J. Phys. **19**, 043009 (2017),
487 +[[https:~~/~~/doi.org/10.1088/1367-2630/aa652d>>url:https://doi.org/10.1088/1367-2630/aa652d||shape="rect"]]
488 +
443 443  **HHG laser source at FL26/ReMi**
444 444  
445 445  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