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Akademický článek

Precision feedback control of a normal conducting standing wave resonator cavity

Autor: S. Pfeiffer, Ł. Butkowski, O. Hensler, M. Hoffmann, C. Schmidt, H. Schlarb, S. Schreiber

Publikováno v: Physical Review Accelerators and Beams, Vol 21, Iss 9, p 092802 (2018)

In this paper, the system identification and feedback controller design for a normal conducting standing wave radio frequency cavity operated in pulsed mode of a free electron laser is presented. The system identification, essential to achieve high p

Externí odkaz: https://doaj.org/article/e302c47485894b6893ef69afbdd2b5e5

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Akademický článek

Simultaneous operation of two soft x-ray free-electron lasers driven by one linear accelerator

Autor: B Faatz, E Plönjes, S Ackermann, A Agababyan, V Asgekar, V Ayvazyan, S Baark, N Baboi, V Balandin, N von Bargen, Y Bican, O Bilani, J Bödewadt, M Böhnert, R Böspflug, S Bonfigt, H Bolz, F Borges, O Borkenhagen, M Brachmanski, M Braune, A Brinkmann, O Brovko, T Bruns, P Castro, J Chen, M K Czwalinna, H Damker, W Decking, M Degenhardt, A Delfs, T Delfs, H Deng, M Dressel, H-T Duhme, S Düsterer, H Eckoldt, A Eislage, M Felber, J Feldhaus, P Gessler, M Gibau, N Golubeva, T Golz, J Gonschior, A Grebentsov, M Grecki, C Grün, S Grunewald, K Hacker, L Hänisch, A Hage, T Hans, E Hass, A Hauberg, O Hensler, M Hesse, K Heuck, A Hidvegi, M Holz, K Honkavaara, H Höppner, A Ignatenko, J Jäger, U Jastrow, R Kammering, S Karstensen, A Kaukher, H Kay, B Keil, K Klose, V Kocharyan, M Köpke, M Körfer, W Kook, B Krause, O Krebs, S Kreis, F Krivan, J Kuhlmann, M Kuhlmann, G Kube, T Laarmann, C Lechner, S Lederer, A Leuschner, D Liebertz, J Liebing, A Liedtke, L Lilje, T Limberg, D Lipka, B Liu, B Lorbeer, K Ludwig, H Mahn, G Marinkovic, C Martens, F Marutzky, M Maslocv, D Meissner, N Mildner, V Miltchev, S Molnar, D Mross, F Müller, R Neumann, P Neumann, D Nölle, F Obier, M Pelzer, H-B Peters, K Petersen, A Petrosyan, G Petrosyan, L Petrosyan, V Petrosyan, A Petrov, S Pfeiffer, A Piotrowski, Z Pisarov, T Plath, P Pototzki, M J Prandolini, J Prenting, G Priebe, B Racky, T Ramm, K Rehlich, R Riedel, M Roggli, M Röhling, J Rönsch-Schulenburg, J Rossbach, V Rybnikov, J Schäfer, J Schaffran, H Schlarb, G Schlesselmann, M Schlösser, P Schmid, C Schmidt, F Schmidt-Föhre, M Schmitz, E Schneidmiller, A Schöps, M Scholz, S Schreiber, K Schütt, U Schütz, H Schulte-Schrepping, M Schulz, A Shabunov, P Smirnov, E Sombrowski, A Sorokin, B Sparr, J Spengler, M Staack, M Stadler, C Stechmann, B Steffen, N Stojanovic, V Sychev, E Syresin, T Tanikawa, F Tavella, N Tesch, K Tiedtke, M Tischer, R Treusch, S Tripathi, P Vagin, P Vetrov, S Vilcins, M Vogt, A de Zubiaurre Wagner, T Wamsat, H Weddig, G Weichert, H Weigelt, N Wentowski, C Wiebers, T Wilksen, A Willner, K Wittenburg, T Wohlenberg, J Wortmann, W Wurth, M Yurkov, I Zagorodnov, J Zemella

Publikováno v: New Journal of Physics, Vol 18, Iss 6, p 062002 (2016)

Extreme-ultraviolet to x-ray free-electron lasers (FELs) in operation for scientific applications are up to now single-user facilities. While most FELs generate around 100 photon pulses per second, FLASH at DESY can deliver almost two orders of magni

Externí odkaz: https://doaj.org/article/43fc872f5ebf4d7393d33e88f9a3bab1

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A MHz-Repetition-Rate Hard X-Ray Free-Electron Laser Driven by a Superconducting Linear Accelerator

Autor: W. Decking, S. Abeghyan, P. Abramian, A. Abramsky, A. Aguirre, C. Albrecht, P. Alou, M. Altarelli, P. Altmann, K. Amyan, V. Anashin, E. Apostolov, K. Appel, D. Auguste, V. Ayvazyan, S. Baark, F. Babies, N. Baboi, P. Bak, V. Balandin, R. Baldinger, B. Baranasic, S. Barbanotti, O. Belikov, V. Belokurov, L. Belova, V. Belyakov, S. Berry, M. Bertucci, B. Beutner, A. Block, M. Blöcher, T. Böckmann, C. Bohm, M. Böhnert, V. Bondar, E. Bondarchuk, M. Bonezzi, P. Borowiec, C. Bösch, U. Bösenberg, A. Bosotti, R. Böspflug, M. Bousonville, E. Boyd, Y. Bozhko, A. Brand, J. Branlard, S. Briechle, F. Brinker, S. Brinker, R. Brinkmann, S. Brockhauser, O. Brovko, H. Brück, A. Brüdgam, L. Butkowski, T. Büttner, J. Calero, E. Castro-Carballo, G. Cattalanotto, J. Charrier, J. Chen, A. Cherepenko, V. Cheskidov, M. Chiodini, A. Chong, S. Choroba, M. Chorowski, D. Churanov, W. Cichalewski, M. Clausen, W. Clement, C. Cloué, J. A. Cobos, N. Coppola, S. Cunis, K. Czuba, M. Czwalinna, B. D’Almagne, J. Dammann, H. Danared, A. de Zubiaurre Wagner, A. Delfs, T. Delfs, F. Dietrich, T. Dietrich, M. Dohlus, M. Dommach, A. Donat, X. Dong, N. Doynikov, M. Dressel, M. Duda, P. Duda, H. Eckoldt, W. Ehsan, J. Eidam, F. Eints, C. Engling, U. Englisch, A. Ermakov, K. Escherich, J. Eschke, E. Saldin, M. Faesing, A. Fallou, M. Felber, M. Fenner, B. Fernandes, J. M. Fernández, S. Feuker, K. Filippakopoulos, K. Floettmann, V. Fogel, M. Fontaine, A. Francés, I. Freijo Martin, W. Freund, T. Freyermuth, M. Friedland, L. Fröhlich, M. Fusetti, J. Fydrych, A. Gallas, O. García, L. Garcia-Tabares, G. Geloni, N. Gerasimova, C. Gerth, P. Geßler, V. Gharibyan, M. Gloor, J. Głowinkowski, A. Goessel, Z. Gołębiewski, N. Golubeva, W. Grabowski, W. Graeff, A. Grebentsov, M. Grecki, T. Grevsmuehl, M. Gross, U. Grosse-Wortmann, J. Grünert, S. Grunewald, P. Grzegory, G. Feng, H. Guler, G. Gusev, J. L. Gutierrez, L. Hagge, M. Hamberg, R. Hanneken, E. Harms, I. Hartl, A. Hauberg, S. Hauf, J. Hauschildt, J. Hauser, J. Havlicek, A. Hedqvist, N. Heidbrook, F. Hellberg, D. Henning, O. Hensler, T. Hermann, A. Hidvégi, M. Hierholzer, H. Hintz, F. Hoffmann, Markus Hoffmann, Matthias Hoffmann, Y. Holler, M. Hüning, A. Ignatenko, M. Ilchen, A. Iluk, J. Iversen, M. Izquierdo, L. Jachmann, N. Jardon, U. Jastrow, K. Jensch, J. Jensen, M. Jeżabek, M. Jidda, H. Jin, N. Johansson, R. Jonas, W. Kaabi, D. Kaefer, R. Kammering, H. Kapitza, S. Karabekyan, S. Karstensen, K. Kasprzak, V. Katalev, D. Keese, B. Keil, M. Kholopov, M. Killenberger, B. Kitaev, Y. Klimchenko, R. Klos, L. Knebel, A. Koch, M. Koepke, S. Köhler, W. Köhler, N. Kohlstrunk, Z. Konopkova, A. Konstantinov, W. Kook, W. Koprek, M. Körfer, O. Korth, A. Kosarev, K. Kosiński, D. Kostin, Y. Kot, A. Kotarba, T. Kozak, V. Kozak, R. Kramert, M. Krasilnikov, A. Krasnov, B. Krause, L. Kravchuk, O. Krebs, R. Kretschmer, J. Kreutzkamp, O. Kröplin, K. Krzysik, G. Kube, H. Kuehn, N. Kujala, V. Kulikov, V. Kuzminych, D. La Civita, M. Lacroix, T. Lamb, A. Lancetov, M. Larsson, D. Le Pinvidic, S. Lederer, T. Lensch, D. Lenz, A. Leuschner, F. Levenhagen, Y. Li, J. Liebing, L. Lilje, T. Limberg, D. Lipka, B. List, J. Liu, S. Liu, B. Lorbeer, J. Lorkiewicz, H. H. Lu, F. Ludwig, K. Machau, W. Maciocha, C. Madec, C. Magueur, C. Maiano, I. Maksimova, K. Malcher, T. Maltezopoulos, E. Mamoshkina, B. Manschwetus, F. Marcellini, G. Marinkovic, T. Martinez, H. Martirosyan, W. Maschmann, M. Maslov, A. Matheisen, U. Mavric, J. Meißner, K. Meissner, M. Messerschmidt, N. Meyners, G. Michalski, P. Michelato, N. Mildner, M. Moe, F. Moglia, C. Mohr, S. Mohr, W. Möller, M. Mommerz, L. Monaco, C. Montiel, M. Moretti, I. Morozov, P. Morozov, D. Mross, J. Mueller, C. Müller, J. Müller, K. Müller, J. Munilla, A. Münnich, V. Muratov, O. Napoly, B. Näser, N. Nefedov, Reinhard Neumann, Rudolf Neumann, N. Ngada, D. Noelle, F. Obier, I. Okunev, J. A. Oliver, M. Omet, A. Oppelt, A. Ottmar, M. Oublaid, C. Pagani, R. Paparella, V. Paramonov, C. Peitzmann, J. Penning, A. Perus, F. Peters, B. Petersen, A. Petrov, I. Petrov, S. Pfeiffer, J. Pflüger, S. Philipp, Y. Pienaud, P. Pierini, S. Pivovarov, M. Planas, E. Pławski, M. Pohl, J. Polinski, V. Popov, S. Prat, J. Prenting, G. Priebe, H. Pryschelski, K. Przygoda, E. Pyata, B. Racky, A. Rathjen, W. Ratuschni, S. Regnaud-Campderros, K. Rehlich, D. Reschke, C. Robson, J. Roever, M. Roggli, J. Rothenburg, E. Rusiński, R. Rybaniec, H. Sahling, M. Salmani, L. Samoylova, D. Sanzone, F. Saretzki, O. Sawlanski, J. Schaffran, H. Schlarb, M. Schlösser, V. Schlott, C. Schmidt, F. Schmidt-Foehre, M. Schmitz, M. Schmökel, T. Schnautz, E. Schneidmiller, M. Scholz, B. Schöneburg, J. Schultze, C. Schulz, A. Schwarz, J. Sekutowicz, D. Sellmann, E. Semenov, S. Serkez, D. Sertore, N. Shehzad, P. Shemarykin, L. Shi, M. Sienkiewicz, D. Sikora, M. Sikorski, A. Silenzi, C. Simon, W. Singer, X. Singer, H. Sinn, K. Sinram, N. Skvorodnev, P. Smirnow, T. Sommer, A. Sorokin, M. Stadler, M. Steckel, B. Steffen, N. Steinhau-Kühl, F. Stephan, M. Stodulski, M. Stolper, A. Sulimov, R. Susen, J. Świerblewski, C. Sydlo, E. Syresin, V. Sytchev, J. Szuba, N. Tesch, J. Thie, A. Thiebault, K. Tiedtke, D. Tischhauser, J. Tolkiehn, S. Tomin, F. Tonisch, F. Toral, I. Torbin, A. Trapp, D. Treyer, G. Trowitzsch, T. Trublet, T. Tschentscher, F. Ullrich, M. Vannoni, P. Varela, G. Varghese, G. Vashchenko, M. Vasic, C. Vazquez-Velez, A. Verguet, S. Vilcins-Czvitkovits, R. Villanueva, B. Visentin, M. Viti, E. Vogel, E. Volobuev, R. Wagner, N. Walker, T. Wamsat, H. Weddig, G. Weichert, H. Weise, R. Wenndorf, M. Werner, R. Wichmann, C. Wiebers, M. Wiencek, T. Wilksen, I. Will, L. Winkelmann, M. Winkowski, K. Wittenburg, A. Witzig, P. Wlk, T. Wohlenberg, M. Wojciechowski, F. Wolff-Fabris, G. Wrochna, K. Wrona, M. Yakopov, B. Yang, F. Yang, M. Yurkov, I. Zagorodnov, P. Zalden, A. Zavadtsev, D. Zavadtsev, A. Zhirnov, A. Zhukov, V. Ziemann, A. Zolotov, N. Zolotukhina, F. Zummack, D. Zybin

Publikováno v: Nature photonics 14(6), 391-397 (2020). doi:10.1038/s41566-020-0607-z
Nature Photon.
Nature Photon., 2020, 14 (6), pp.391-397. ⟨10.1038/s41566-020-0607-z⟩

Nature photonics 14(6), 391 - 397 (2020). doi:10.1038/s41566-020-0607-z
The European XFEL is a hard X-ray free-electron laser (FEL) based on a high-electron-energy superconducting linear accelerator. The superconducting technology allows for the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5256c6c10ec4cf97aa48b9ad9cad75c7
https://bib-pubdb1.desy.de/record/452700

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Author Correction: A MHz-repetition-rate hard X-ray free-electron laser driven by a superconducting linear accelerator

Publikováno v: Nature Photonics. 14:650-650

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6cc2fa9ca54b6962786d3e57c4539b86
https://doi.org/10.1038/s41566-020-0680-3

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Precision feedback control of a normal conducting standing wave resonator cavity

Autor: Matthias C. Hoffmann, C. Schmidt, Stuart L. Schreiber, Sven Pfeiffer, O. Hensler, Holger Schlarb, Ł. Butkowski

Publikováno v: Physical Review Accelerators and Beams, Vol 21, Iss 9, p 092802 (2018)
Physical review accelerators and beams 21(9), 092802 (2018). doi:10.1103/PhysRevAccelBeams.21.092802

Physical review accelerators and beams 21(9), 092802 (2018). doi:10.1103/PhysRevAccelBeams.21.092802
In this paper, the system identification and feedback controller design for a normal conducting Standing wave radio frequency cavity operated in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1a7d1c9805f188ea61de79d3188e0f04
https://doi.org/10.1103/physrevaccelbeams.21.092802

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Wire scanner system for FLASH at DESY

Autor: U. Hahn, M. Sachwitz, N.v. Bargen, S. Karstensen, O. Hensler, P. Castro, H. Thom

Publikováno v: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 592:189-196

The design and implementation of a new kind of wire scanner for the Free Electron Laser at Hamburg (FLASH) is presented. In the undulator section of FLASH a set of seven wire scanner stations determine the relative position and the profile of the ele

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::24a3dfe7d3e8bab11785205cb7b1fffa
https://doi.org/10.1016/j.nima.2008.04.018

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High precision SC cavity alignment measurements with higher order modes

Autor: J. May, D. McCormick, N. Eddy, Josef Frisch, Nicoleta Baboi, Claire Simon, Tonee Smith, R. Paparella, Stephen Molloy, Ron Rechenmacher, O. Hensler, S. Nagaitsev, L. Piccoli, Olivier Napoly, Lyudvig Petrosyan, Marc Ross

Publikováno v: Measurement Science and Technology. 18:2314-2319

Experiments at the FLASH linac at DESY have demonstrated that the higher order modes (HOMs) induced in superconducting cavities can be used to provide a variety of beam and cavity diagnostics. The centers of the cavities can be determined from the be

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::163354fcbf529904607d1da6dda52095
https://doi.org/10.1088/0957-0233/18/8/004

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Test and first application of artificial sapphire sensors

Autor: Alexandr Ignatenko, Nicoleta Baboi, Michael Schmitz, Hans Henschel, Sergej Schuwalow, Wolfgang Lange, Wolfgang Lohmann, O. Hensler, Kay Wittenburg

Publikováno v: IEEE Nuclear Science Symposuim & Medical Imaging Conference.

Samples of monocrystalline sapphire sensors of 10×10 mm2 area and 0.5 mm thickness with the initial charge collection efficiency of about 2% have been studied in electron beams. The response as a function of the absorbed dose revealed excellent radi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f6591ea6b3e9fab98d4eb863a7cd03cf
https://doi.org/10.1109/nssmic.2010.5873839

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The Vacuum System of the European X-ray Free Electron Laser XFEL

Autor: K. Zapfe, O. Hensler, K. Rehlich, T Wohlenberg, A Wagner, J. Wojtkiewicz, B Nagorny, H. Remde, N Mildner, D. Hoppe, M. Böhnert

Publikováno v: Journal of physics / Conference Series 100, 092001 (2008). doi:10.1088/1742-6596/100/9/092001
17th International Vacuum Congress, IVC 17, Stockholm, Sweden, 2007-07-02-2007-07-06
17th International Vacuum Conference, IVC-17, Stockholm, Sweden, 2007-07-02-2007-07-06

The European X-ray Free Electron Laser XFEL, a new international research facility, will be built at DESY/Hamburg. The XFEL will generate extremely brilliant and ultra short pulses of spatially coherent X-rays with tuneable wavelengths down to 0.1 nm

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::96f4dba3b2db5ae09284268cee409740
https://bib-pubdb1.desy.de/record/87176

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