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Akademický článek

Experimental studies of dark current in a superconducting rf photoinjector

Autor: R. Xiang, A. Arnold, T. Kamps, P. Lu, P. Michel, P. Murcek, H. Vennekate, G. Staats, J. Teichert

Publikováno v: Physical Review Special Topics. Accelerators and Beams, Vol 17, Iss 4, p 043401 (2014)

A superconducting rf photoinjector (SRF gun) has been put in operation successfully at the radiation source ELBE. It produces a 13 MHz, low emittance, cw beam with beam current up to 400 μA and energy of 3 MeV. During the gun operation, the field em

Externí odkaz: https://doaj.org/article/e2e644b6e86a450283b29e8fc7bb596a

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Akademický článek

Characterization of a superconducting Pb photocathode in a superconducting rf photoinjector cavity

Autor: R. Barday, A. Burrill, A. Jankowiak, T. Kamps, J. Knobloch, O. Kugeler, A. Matveenko, A. Neumann, M. Schmeißer, J. Völker, P. Kneisel, R. Nietubyc, S. Schubert, J. Smedley, J. Sekutowicz, I. Will

Publikováno v: Physical Review Special Topics. Accelerators and Beams, Vol 16, Iss 12, p 123402 (2013)

Photocathodes are a limiting factor for the next generation of ultrahigh brightness photoinjectors. We studied the behavior of a superconducting Pb cathode in the cryogenic environment of a superconducting rf gun cavity to measure the quantum efficie

Externí odkaz: https://doaj.org/article/fc56454cdabf467eb9eb33929b698fb4

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Akademický článek

Bi-alkali antimonide photocathodes for high brightness accelerators

Autor: S. Schubert, M. Ruiz-Osés, I. Ben-Zvi, T. Kamps, X. Liang, E. Muller, K. Müller, H. Padmore, T. Rao, X. Tong, T. Vecchione, J. Smedley

Publikováno v: APL Materials, Vol 1, Iss 3, Pp 032119-032119 (2013)

Alkali-antimonide photocathodes were grown on Si(100) and studied by means of XPS and UHV-AFM to validate the growth procedure and morphology of this material. The elements were evaporated sequentially at elevated substrate temperatures (first Sb, se

Externí odkaz: https://doaj.org/article/f084839edf7f43cb9afbdb3ed87a795f

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Akademický článek

Detailed characterization of electron sources yielding first demonstration of European X-ray Free-Electron Laser beam quality

Autor: F. Stephan, C. H. Boulware, M. Krasilnikov, J. Bähr, G. Asova, A. Donat, U. Gensch, H. J. Grabosch, M. Hänel, L. Hakobyan, H. Henschel, Y. Ivanisenko, L. Jachmann, S. Khodyachykh, M. Khojoyan, W. Köhler, S. Korepanov, G. Koss, A. Kretzschmann, H. Leich, H. Lüdecke, A. Meissner, A. Oppelt, B. Petrosyan, M. Pohl, S. Riemann, S. Rimjaem, M. Sachwitz, B. Schöneich, T. Scholz, H. Schulze, J. Schultze, U. Schwendicke, A. Shapovalov, R. Spesyvtsev, L. Staykov, F. Tonisch, T. Walter, S. Weisse, R. Wenndorff, M. Winde, L. v. Vu, H. Dürr, T. Kamps, D. Richter, M. Sperling, R. Ovsyannikov, A. Vollmer, J. Knobloch, E. Jaeschke, J. Boster, R. Brinkmann, S. Choroba, K. Flechsenhar, K. Flöttmann, W. Gerdau, V. Katalev, W. Koprek, S. Lederer, C. Martens, P. Pucyk, S. Schreiber, S. Simrock, E. Vogel, V. Vogel, K. Rosbach, I. Bonev, I. Tsakov, P. Michelato, L. Monaco, C. Pagani, D. Sertore, T. Garvey, I. Will, I. Templin, W. Sandner, W. Ackermann, E. Arévalo, E. Gjonaj, W. F. O. Müller, S. Schnepp, T. Weiland, F. Wolfheimer, J. Rönsch, J. Rossbach

Publikováno v: Physical Review Special Topics. Accelerators and Beams, Vol 13, Iss 2, p 020704 (2010)

The photoinjector test facility at DESY, Zeuthen site (PITZ), was built to develop and optimize photoelectron sources for superconducting linacs for high-brilliance, short-wavelength free-electron laser (FEL) applications like the free-electron laser

Externí odkaz: https://doaj.org/article/2136f259bafe40348fb4d8a987bdec8b

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