Search Results - "Koprek, W."

Interfaces and Communication Protocols in ATCA-Based LLRF Control Systems by Makowski, D., Koprek, W., Jezynski, T., Piotrowski, A., Jablonski, G., Jalmuzna, W., Simrock, S.

“…Linear accelerators driving Free Electron Lasers (FELs), such as the Free Electron Laser in Hamburg (FLASH) or the X-ray Free Electron Laser (XFEL), require…”
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A MHz-repetition-rate hard X-ray free-electron laser driven by a superconducting linear accelerator by Abramsky, A., Aguirre, A., Altarelli, M., Anashin, V., Auguste, D., Ayvazyan, V., Balandin, V., Baldinger, R., Barbanotti, S., Belyakov, V., Bertucci, M., Beutner, B., Branlard, J., Brinker, F., Brüdgam, A., Büttner, T., Castro-Carballo, E., Chiodini, M., Choroba, S., Cunis, S., Czuba, K., de Zubiaurre Wagner, A., Dressel, M., Duda, P., Ehsan, W., Englisch, U., Feuker, S., Gołębiewski, Z., Graeff, W., Grebentsov, A., Hagge, L., Harms, E., Hauf, S., Henning, D., Hüning, M., Karstensen, S., Keil, B., Knebel, L., Kohlstrunk, N., Konopkova, Z., Kook, W., Koprek, W., Kotarba, A., Kreutzkamp, J., Kujala, N., Lamb, T., Larsson, M., Lenz, D., Leuschner, A., Levenhagen, F., Liu, J., Magueur, C., Maiano, C., Maltezopoulos, T., Matheisen, A., Mommerz, M., Morozov, I., Müller, J., Müller, K., Munilla, J., Münnich, A., Neumann, Reinhard, Noelle, D., Oliver, J. A., Omet, M., Ottmar, A., Oublaid, M., Pagani, C., Pienaud, Y., Pławski, E., Pohl, M., Popov, V., Racky, B., Rusiński, E., Samoylova, L., Sanzone, D., Schlarb, H., Scholz, M., Schultze, J., Semenov, E., Shemarykin, P., Silenzi, A., Simon, C., Skvorodnev, N., Steckel, M., Stodulski, M., Stolper, M., Syresin, E., Sytchev, V., Treyer, D., Trowitzsch, G., Vashchenko, G., Volobuev, E., Weichert, G., Wiebers, C., Wiencek, M., Wohlenberg, T., Zavadtsev, A., Zavadtsev, D., Zummack, F.

“…The European XFEL is a hard X-ray free-electron laser (FEL) based on a high-electron-energy superconducting linear accelerator. The superconducting technology…”
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Operation of a free-electron laser from the extreme ultraviolet to the water window by Yurkov, M. V, Ackermann, W, Asova, G, Ayvazyan, V, Azima, A, Bähr, J, Balandin, V, Beutner, B, Bolzmann, A, Castro, P, Chiadroni, E, Choroba, S, Cianchi, A, Costello, J. T, Cubaynes, D, Dardis, J, Decking, W, Delsim-Hashemi, H, Di Pirro, G, Düsterer, S, Flöttmann, K, Frisch, J, Gerth, Ch, Görler, M, Golubeva, N, Grecki, M, Hacker, K, Han, J. H, Honkavaara, K, Hüning, M, Jalmuzna, W, Jezynski, T, Kammering, R, Katalev, V, Kennedy, E. T, Khodyachykh, S, Klose, K, Körfer, M, Kollewe, M, Korepanov, S, Kostin, D, Krassilnikov, M, Kube, G, Kuhlmann, M, Lilje, L, Lipka, D, Löhl, F, Luna, H, Luong, M, Martins, M, Michelato, P, Möller, W. D, Müller, W. F. O, Napieralski, O, Nölle, D, Nuñez, T, Oppelt, A, Paparella, R, Pedregosa-Gutierrez, J, Plönjes, E, Prat, E, Proch, D, Pucyk, P, Rehlich, K, Richter, M, Roensch, J, Romaniuk, R, Rybnikov, V, Sachwitz, M, Saldin, E. L, Sandner, W, Schlarb, H, Schmidt, B, Schmüser, P, Schneider, J. R, Schneidmiller, E. A, Schreiber, S, Sertore, D, Shabunov, A. V, Simon, C, Sombrowski, E, Spanknebel, P, Spesyvtsev, R, Staykov, L, Thom, H, Tiedtke, K, Tischer, M, Trines, D, Tsakov, I, Vogel, E, Weiland, T, Weise, H, Wellhöfer, M, Wendt, M, Winter, A, Wittenburg, K, Wurth, W, Yeates, P, Zagorodnov, I, Zapfe, K

“…We report results on the performance of a free-electron laser operating at a wavelength of 13.7 nm where unprecedented peak and average powers for a coherent…”
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Author Correction: A MHz-repetition-rate hard X-ray free-electron laser driven by a superconducting linear accelerator by Abramsky, A., Aguirre, A., Altarelli, M., Anashin, V., Auguste, D., Ayvazyan, V., Balandin, V., Baldinger, R., Barbanotti, S., Belyakov, V., Bertucci, M., Beutner, B., Branlard, J., Brinker, F., Brüdgam, A., Büttner, T., Castro-Carballo, E., Chiodini, M., Choroba, S., Cunis, S., Czuba, K., de Zubiaurre Wagner, A., Dressel, M., Duda, P., Ehsan, W., Englisch, U., Feuker, S., Gołębiewski, Z., Graeff, W., Grebentsov, A., Hagge, L., Harms, E., Hauf, S., Henning, D., Hüning, M., Karstensen, S., Keil, B., Knebel, L., Kohlstrunk, N., Konopkova, Z., Kook, W., Koprek, W., Kotarba, A., Kreutzkamp, J., Kujala, N., Lamb, T., Larsson, M., Lenz, D., Leuschner, A., Levenhagen, F., Liu, J., Magueur, C., Maiano, C., Maltezopoulos, T., Matheisen, A., Mommerz, M., Morozov, I., Müller, J., Müller, K., Munilla, J., Münnich, A., Neumann, Reinhard, Noelle, D., Oliver, J. A., Omet, M., Ottmar, A., Oublaid, M., Pagani, C., Pienaud, Y., Pławski, E., Pohl, M., Popov, V., Racky, B., Rusiński, E., Samoylova, L., Sanzone, D., Schlarb, H., Scholz, M., Schultze, J., Semenov, E., Shemarykin, P., Silenzi, A., Simon, C., Skvorodnev, N., Steckel, M., Stodulski, M., Stolper, M., Syresin, E., Sytchev, V., Treyer, D., Trowitzsch, G., Vashchenko, G., Volobuev, E., Weichert, G., Wiebers, C., Wiencek, M., Wohlenberg, T., Zavadtsev, A., Zavadtsev, D., Zummack, F.

“…An amendment to this paper has been published and can be accessed via a link at the top of the paper…”
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Commissioning experience and beam physics measurements at the SwissFEL Injector Test Facility by Schietinger, T., Pedrozzi, M., Aiba, M., Arsov, V., Bettoni, S., Beutner, B., Calvi, M., Craievich, P., Dehler, M., Frei, F., Ganter, R., Hauri, C. P., Ischebeck, R., Ivanisenko, Y., Janousch, M., Kaiser, M., Keil, B., Löhl, F., Orlandi, G. L., Ozkan Loch, C., Peier, P., Prat, E., Raguin, J.-Y., Reiche, S., Schilcher, T., Wiegand, P., Zimoch, E., Anicic, D., Armstrong, D., Baldinger, M., Baldinger, R., Bertrand, A., Bitterli, K., Bopp, M., Brands, H., Braun, H. H., Brönnimann, M., Brunnenkant, I., Chevtsov, P., Chrin, J., Citterio, A., Csatari Divall, M., Dach, M., Dax, A., Ditter, R., Divall, E., Falone, A., Fitze, H., Geiselhart, C., Guetg, M. W., Hämmerli, F., Hauff, A., Heiniger, M., Higgs, C., Hugentobler, W., Hunziker, S., Janser, G., Kalantari, B., Kalt, R., Kim, Y., Koprek, W., Korhonen, T., Krempaska, R., Laznovsky, M., Lehner, S., Le Pimpec, F., Lippuner, T., Lutz, H., Mair, S., Marcellini, F., Marinkovic, G., Menzel, R., Milas, N., Pal, T., Pollet, P., Portmann, W., Rezaeizadeh, A., Ritt, S., Rohrer, M., Schär, M., Schebacher, L., Scherrer, St, Schlott, V., Schmidt, T., Schulz, L., Smit, B., Stadler, M., Steffen, B., Stingelin, L., Sturzenegger, W., Treyer, D. M., Trisorio, A., Tron, W., Vicario, C., Zennaro, R., Zimoch, D.

“…The SwissFEL Injector Test Facility operated at the Paul Scherrer Institute between 2010 and 2014, serving as a pilot plant and test bed for the development…”
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Detailed characterization of electron sources yielding first demonstration of European X-ray Free-Electron Laser beam quality by Stephan, F., Boulware, C. H., Krasilnikov, M., Bähr, J., Asova, G., Donat, A., Gensch, U., Grabosch, H. J., Hänel, M., Hakobyan, L., Henschel, H., Ivanisenko, Y., Jachmann, L., Khodyachykh, S., Khojoyan, M., Köhler, W., Korepanov, S., Koss, G., Kretzschmann, A., Leich, H., Lüdecke, H., Meissner, A., Oppelt, A., Petrosyan, B., Pohl, M., Riemann, S., Rimjaem, S., Sachwitz, M., Schöneich, B., Scholz, T., Schulze, H., Schultze, J., Schwendicke, U., Shapovalov, A., Spesyvtsev, R., Staykov, L., Tonisch, F., Walter, T., Weisse, S., Wenndorff, R., Winde, M., Vu, L. v., Dürr, H., Kamps, T., Richter, D., Sperling, M., Ovsyannikov, R., Vollmer, A., Knobloch, J., Jaeschke, E., Boster, J., Brinkmann, R., Choroba, S., Flechsenhar, K., Flöttmann, K., Gerdau, W., Katalev, V., Koprek, W., Lederer, S., Martens, C., Pucyk, P., Schreiber, S., Simrock, S., Vogel, E., Vogel, V., Rosbach, K., Bonev, I., Tsakov, I., Michelato, P., Monaco, L., Pagani, C., Sertore, D., Garvey, T., Will, I., Templin, I., Sandner, W., Ackermann, W., Arévalo, E., Gjonaj, E., Müller, W. F. O., Schnepp, S., Weiland, T., Wolfheimer, F., Rönsch, J., Rossbach, J.

“…The photoinjector test facility at DESY, Zeuthen site (PITZ), was built to develop and optimize photoelectron sources for superconducting linacs for…”
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Prototype Real-Time ATCA-Based LLRF Control System by Makowski, D., Koprek, W., Jezynski, T., Piotrowski, A., Jablonski, G., Jalmuzna, W., Czuba, K., Predki, P., Simrock, S., Napieralski, A.

“…The linear accelerators employed to drive Free Electron Lasers (FELs), such as the X-ray Free Electron Laser (XFEL) currently being built in Hamburg, require…”
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Linearization of downconversion for IQ detection purposes by Grecki, M., Koprek, W., Simrock, S.

“…The downconverter used in LLRF control system is a nonlinear device, thus not only the fundamental frequency but also its harmonics are present and sampled by…”
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Beam loading compensation using real time bunch charge information from toroid monitor at flash by Vogel, E., Gerth, Ch, Koprek, W., Loehl, F., Noelle, D., Schlarb, H., Traber, T.

“…At pulsed linear accelerators, fast proportional rf control compensates beam loading sufficiently for single or a few bunches. In the case of long bunch…”
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Klystron Lifetime Management system by Butkowski, L., Koprek, W., Pozniak, K.T.

“…The klystron is a specialized linear-beam vacuum tube which will work in X-Ray Free Electron Laser (XFEL) at 1.3GHz frequency. The XFEL should work…”
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Implementation of the RF-gun controller as a message-based device in VXI systems by Koprek, W., Hejn, K.W.

“…A VXI Message-based Tool (VXI-MBT) has been recently designed by the authors [10]. VXI-MBT makes easier the transformation of specific user's electronics into…”
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Parameter estimation and tuning of a multivariable RF controller with FPGA technique for the Free Electron Laser FLASH by Schmidt, C., Lichtenberg, G., Koprek, W., Jalmuzna, W., Werner, H., Simrock, S.

“…The operation of a free electron laser in the X-ray wavelength range is the goal of the international XFEL project. The project critically depends on the…”
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Commissioning experience and beam physics measurements at the SwissFEL Injector Test Facility by Schietinger, T, Pedrozzi, M, Aiba, M, Arsov, V, Bettoni, S, Beutner, B, Calvi, M, Craievich, P, Dehler, M, Frei, F, Ganter, R, Hauri, C. P, Ischebeck, R, Ivanisenko, Y, Janousch, M, Kaiser, M, Keil, B, Löhl, F, Orlandi, G. L, Loch, C. Ozkan, Peier, P, Prat, E, Raguin, J. -Y, Reiche, S, Schilcher, T, Wiegand, P, Zimoch, E, Anicic, D, Armstrong, D, Baldinger, M, Baldinger, R, Bertrand, A, Bitterli, K, Bopp, M, Brands, H, Braun, H. H, Brönnimann, M, Brunnenkant, I, Chevtsov, P, Chrin, J, Citterio, A, Divall, M. Csatari, Dach, M, Dax, A, Ditter, R, Divall, E, Falone, A, Fitze, H, Geiselhart, C, Guetg, M. W, Hämmerli, F, Hauff, A, Heiniger, M, Higgs, C, Hugentobler, W, Hunziker, S, Janser, G, Kalantari, B, Kalt, R, Kim, Y, Koprek, W, Korhonen, T, Krempaska, R, Laznovsky, M, Lehner, S, Pimpec, F. Le, Lippuner, T, Lutz, H, Mair, S, Marcellini, F, Marinkovic, G, Menzel, R, Milas, N, Pal, T, Pollet, P, Portmann, W, Rezaeizadeh, A, Ritt, S, Rohrer, M, Schär, M, Schebacher, L, Scherrer, St, Schmidt, V. Schlott T, Schulz, L, Smit, B, Stadler, M, Steffen, B, Stingelin, L, Sturzenegger, W, Treyer, D. M, Trisorio, A, Tron, W, Vicario, C, Zennaro, R, Zimoch, D

“…Phys. Rev. ST Accel. Beams 19, 100702 (2016) The SwissFEL Injector Test Facility operated at the Paul Scherrer Institute between 2010 and 2014, serving as a…”
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Software for data acquisition AMC module with PCI Express interface by Szachowalow, S., Jablonski, G., Makowski, D., Butkowski, L., Koprek, W., Simrock, S.

“…Free Electron Laser in Hamburg (FLASH) and X-Ray Free Electron Laser (XFEL) are linear accelerators that require a complex and accurate Low Level Radio…”
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Evaluation of an ATCA based LLRF system at FLASH by Simrock, S., Butkowski, L., Grecki, M., Jezynski, T., Koprek, W., Jablonski, G., Jalmuzna, W., Makowski, D., Piotrowski, A., Czuba, K.

“…Future RF Control systems will require simultaneous data acquisition of up to 100 fast ADC channels at sampling rates of around 100 MHz and real time signal…”
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Implementation of adaptive feed-forward algorithm on embedded PowerPC405 processor for FLASH accelerator by Szewinski, J., Jalmuzna, W., Koprek, W., Pozniak, K., Romaniuk, R.

“…This paper compares algorithms used for control of super-conducting cavities in the FLASH accelerator and laser in DESY Research Center (Hamburg, Germany), and…”
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Distributed versus Centralized ATCA Computing Power by Simrock, S., Grecki, M., Jalmuzna, W., Jezynski, T., Koprek, W., Pucyk, P.

“…The RF Control for the European XFEL requires powerful data processing capability for many algorithms including feedback, calibration, diagnostics and low and…”
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