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5. CARE Annual Report 2007

Author

Aleksan, R, Napoly, O, Proch, D, Mais, H, Ghigo, A, Losito, R, Rinolfi, L, Vretenar, M, Lombardi, A, de Rijk, G, den Ouden, A, Richard, F, Schulte, D, Palladino, V, Pascoli, S, Scandale, Walter, and Zimmermann, F

Subjects
Accelerators and Storage Rings
Published
2008

6. Operation of a free electron laser from the extreme ultraviolet to the water window

Author

Ackermann, W., Asova, G., Ayvazyan, V., Azima, A., Baboi, N., Bähr, J., Balandin, V., Beutner, B., Brandt, A., Bolzmann, A., Brinkmann, R., Brovko, O.I., Castellano, M., Castro, P., Catani, L., Chiadroni, E., Choroba, S., Cianchi, A., Costello, John T., Cubaynes, D., Dardis, John, Decking, W., Delsim-Hashemi, H., Delserieys, A., Di Pirro, G., Dohlus, M., Düsterer, S., Eckhardt, A., Edwards, A., Faatz, B., Feldhaus, J., Flöttmann, A., Frisch, J., Fröhlich, L., Garvey, T., Gensch, U., Gerth, Ch., Görler, M., Golubeva, N., Ivanisenko, H.-J. Y., Jaeschke, E., Jalmuzna, W., Jezynski, W., Kammering, R., Katalev, V., Kavanagh, Kevin D., Kennedy, Eugene T., Khodyachykh, S., Klose, K., Kocharyan, V., Körfer, M., Kollewe, M., Koprek, W., Lipka, S., Löhl, F., Luna, H., Luong, M., Martins, M., Meyer, M., Michelato, P., Miltchev, V., Möller, W.D., Monaco, L., Müller, W.F.O., Napieralski, O., Napoly, O., Nicolosi, P., Nölle, D., Nũnez, T., Petrosyan, G., Petrosyan, L., Pflüger, J., Plönjes, E., Poletto, L., Pozniak, K., Prat, E., Proch, D., Pucyk, P., Radcliffe, P., Redlin, H., Rehlich, K., Richter, M., Roehrs, M., Roensch, J., Romaniuk, R., Ross, M., Rossbach, J., Rybnikov, V., Sachwitz, M., Saldin, E.L., Sandner, W., Schlarb, H., Schmidt, B., Schmitz, M., Schmüser, P., Schneider, J.R., Schneidmiller, E.A., Schnepp, S., Schreiber, S., Seidel, M., Sertore, D., Shabunov, A.V., Simon, C., Simrock, S., Sombrowski, E., Sorokin, A.A., Spanknebel, P., Spesyvtsev, R., Staykov, L., Steffen, B., Stephan, F., Stulle, F., Thom, H., Tiedtke, K., Tischer, M., Toleikis, S., Treusch, R., Trines, D., Tsakov, I, Vogel, E. M., Weiland, T., Weise, H., Wellhöfer, M., Wendt, M., Will, I., Winter, A., Wittenburg, K., Wurth, W., Yeates, Patrick, Yurkov, M.V., Zagorodnov, I., Zapfe, K., and Petrosyan, B.

Subjects
EUV, lasers, Physics, Lasers
Abstract

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 EUV radiation source have been measured. In the saturation regime the peak energy approached 170 μJ for individual pulses while the average energy per pulse reached 70 μJ. The pulse duration was in the region of 10 femtoseconds and peak powers of 10 GW were achieved. At a pulse repetition frequency of 700 pulses per second, the average EUV power reached 20 mW. The output beam also contained a significant contribution from odd harmonics of approximately 0.6% and 0.03% for the 3rd (4.6 nm) and the 5th (2.75 nm) harmonics, respectively. At 2.75 nanometers the 5th harmonic of the radiation reaches deep into the water window – a wavelength range that is crucially important for the investigation of biological samples.

Published
2007

8. CARE Annual Report 2006

Author

Aleksan, R, Napoly, O, Proch, D, Garvey, T, Mais, H, Ghigo, A, Losito, R, and Vretenar, M

Subjects
Accelerators and Storage Rings
Published
2007

10. CARE Annual Report 2005

Author

Aleksan, Roy, Napoly, O, Proch, D, Garvey, Terence, Mais, H, Ghigo, A, Losito, R, Rinolfi, Louis, Garoby, R, Vretenar, M, Devred, Arnaud, den Ouden, A, Richard, F, Schulte, Daniel, Palladino, V, Gschwendtner, E, Ruggiero, F, and Scandale, Walter

Subjects
Accelerators and Storage Rings
Published
2006

13. XFEL: The European X-Ray Free-Electron Laser - Technical Design Report

Author

Abela, R., Aghababyan, A., Altarelli, M., Altucci, C., Amatuni, G., Anfinrud, P., Audebert, P., Ayvazyan, V., Baboi, N., Baehr, J., Balandin, V., Bandelmann, R., Becker, J., Beutner, B., Blome, C., Bohnet, I., Bolzmann, A., Bostedt, C., Bozhko, Y., Brandt, A., Bratos, S., Bressler, C., Brovko, O., Brück, H., Carneiro, J.-P., Casalbuoni, S., Castellano, M., Castro, P., Catani, L., Cavalleri, A., Celik, S., Chapman, H., Charalambidis, D., Chen, J., Chergui, M., Choroba, S., Cianchi, A., Clausen, M., Collet, E., Danared, H., David, C., Decking, W., Dehler, M., Delsim-Hashemi, H., Dipirro, G., Dobson, B., Dohlus, M., Duesterer, S., Eckhardt, A., Eckoldt, H.-J., Edwards, H., Faatz, B., Fajardo, M., Fateev, A., Feldhaus, J., Filipov, Y., Floettmann, K., Follath, R., Fominykh, B., French, M., Frisch, J., Froehlich, L., Gadwinkel, E., García-Tabarés, L., Gareta, J. J., Garvey, T., Gel'mukhanov, F., Gensch, U., Gerth, C., Goerler, M., Golubeva, N., Graafsma, H., Graeff, W., Grimm, O., Griogoryan, B., Grübel, G., Gutt, C., Hacker, K., Haenisch, L., Hahn, U., Hajdu, J., Han, J. H., Hartrott, M., Havlicek, J., Hensler, O., Honkavaara, K., Honkimäki, V., Hott, T., Howells, M. R., Huening, M., Ihee, H., Ilday, F. Ö., Ischebeck, R., Jablonka, M., Jaeschke, E., Jensch, K., Jensen, J.-P., Johnson, S., Juha, L., Kaerntner, F., Kammering, R., Kapitza, H., Katalev, V., Keil, B., Khodyachykh, S., Kienberger, R., Kim, J.-W., Kim, Y., Klose, K., Kocharyan, V., Koehler, W., Koerfer, M., Kollewe, M., Kong, Q., Kook, W., Kostin, D., Kozlov, O., Kraemer, D., Krasilnikov, M., Krause, B., Krebs, O., Krzywinski, J., Kube, G., Kuhlmann, M., Laich, H., Lange, R., Larsson, M., Lee, R. W., Leuschner, A., Lierl, H., Lilje, L., Limberg, T., Lindenberg, A., Lipka, D., Loehl, F., Ludwig, K., Luong, M., Magne, C., Maquet, A., Marangos, J., Masciovecchio, C., Maslov, M., Matheisen, A., Matyushevskiy, E., Matzen, O., May, H.-J., McNulty, I., McCormick, D., Meulen, P., Meyners, N., Michelato, P., Mildner, N., Miltchev, V., Minty, M., Moeller, W.-D., Möller, T., Monaco, L., Nagl, M., Napoly, O., Neubauer, G., Nicolosi, P., Nienhaus, A., Noelle, D., Nunez, T., Obier, F., Oppelt, A., Pagani, C., Paparella, R., Pedersen, H. B., Petersen, B., Petrosyan, B., Petrosyan, L., Petrov, A., Pflueger, J., Piot, P., Plech, A., Ploenjes, E., Poletto, L., Pöplau, G., Prat, E., Prat, S., Prenting, J., Proch, D., Pugachov, D., Quack, H., Racky, B., Ramert, D., Redlin, H., Rehlich, K., Reininger, R., Remde, H., Reschke, D., Richter, D., Richter, M., Riemann, S., Riley, D., Robinson, I., Roensch, J., Rosmej, F., Ross, M., Rossbach, J., Rybnikov, V., Sachwitz, M., Saldin, E., Sandner, W., Schäfer, J., Schilcher, T., Schlarb, H., Schloesser, M., Schlott, V., Schmidt, B., Schmitz, M., Schmueser, P., Schneider, J., Schneidmiller, E., Schotte, F., Schrader, S., Schreiber, S., Schroer, C., Schuch, R., Schulte-Schrepping, H., Schwarz, A., Seidel, M., Sekutowicz, J., Seller, P., Sellmann, D., Senf, F., Sertore, D., Shabunov, A., Simrock, S., Singer, W., Sinn, H., Smith, R., Sombrowski, E., Sorokin, A. A., Springate, E., Staack, M., Staykov, L., Steffen, B., Stephenson, B., Stephan, F., Stulle, F., Syresin, E., Sytchev, K., Sytchev, V., Tallents, G., Techert, S., Tesch, N., Thom, H., Tiedtke, K., Tischer, M., Tolan, M., Toleikis, S., Toral, F., Treusch, R., Trines, D., Tsakanov, V., Tsakov, I., Tschentscher, T., Ullrich, F.-R., van Rienen, U., Variola, A., Vartaniants, I., Vogel, E., Vogel, J., Vuilleumier, R., Wabnitz, H., Wanzenberg, R., Wark, J. S., Weddig, H., Weiland, T., Weise, H., Wendt, M., Wenndorff, R., Wichmann, R., Will, I., Winter, A., Witte, K., Wittenburg, K., Wochner, P., Wohlenberg, T., Wojtkiewicz, J., Wolf, A., Wulff, M., Yurkov, M., Zagorodnov, I., Zambolin, P., Zapfe, K., Zeitoun, P., Ziemann, V., Zolotov, A., Brinkmann, R., and Grabosch, H.-J.

Subjects
Physics
Abstract

This report contains a comprehensive technical description of a new international research infrastructure, the European X-Ray Free-Electron Laser (XFEL) Facility. It was written between October 2005 and June 2006 and provides a realistic cost estimate and a compelling assessment of the scientific pay-off. The report has been prepared with the contribution of hundreds of people from many laboratories in Europe and even beyond. Their contributions have been harmonised and merged by many editors, and the whole effort has been coordinated by the European Project Team, generously supported and hosted by the Deutsches Elektronen-Synchrotron (DESY) laboratory.

Published
2006
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15. Care Annual Report 2004

Author

Aleksan, Roy, Napoly, O, Proch, D, Garvey, Terence, Mais, H, Ghigo, A, Losito, R, Rinolfi, Louis, Garoby, R, Vretenar, M, Devred, Arnaud, den Ouden, A, Richard, F, Schulte, Daniel, Palladino, V, Gschwendtner, E, Ruggiero, F, and Scandale, Walter

Subjects
Accelerators and Storage Rings
Published
2005

18. Achievement of 35 MV/m in the Superconducting Nine-Cell Cavities for TESLA

Author

Lilje, L., Kako, E., Kostin, D., Matheisen, A., Moeller, W. -D., Proch, D., Reschke, D., Saito, K., Schmueser, P., Simrock, S., Suzuki, T., and Twarowski, K.

Subjects
Accelerator Physics (physics.acc-ph), FOS: Physical sciences, Physics - Accelerator Physics
Abstract

The Tera Electronvolt Superconducting Linear Accelerator TESLA is the only linear electron-positron collider project based on superconductor technology for particle acceleration. In the first stage with 500 GeV center-of-mass energy an accelerating field of 23.4 MV/m is needed in the superconducting niobium cavities which are operated at a temperature of 2 K and a quality factor Q0 of 10 to the 10. This performance has been reliably achieved in the cavities of the TESLA Test Facility (TTF) accelerator. The upgrade of TESLA to 800 GeV requires accelerating gradients of 35 MV/m. Using an improved cavity treatment by electrolytic polishing it has been possible to raise the gradient to 35 - 43 MV/m in single cell resonators. Here we report on the successful transfer of the electropolishing technique to multi-cell cavities. Presently four nine-cell cavities have achieved 35 MV/m, and a fifth cavity could be excited to 39 MV/m. In two high-power tests it could be verified that EP-cavities preserve their excellent performance after welding into the helium cryostat and assembly of the high-power coupler. One cavity has been operated for 1100 hours at the TESLA-800 gradient of 35 MV/m and 57 hours at 36 MV/m without loss in performance., Accepted for publication at Nucl. Inst. Meth. A

Published
2004

21. Annex I: Description of Work for CARE

Author

Aleksan, Roy, Napoly, O, Proch, D, Garvey, Terence, Ghigo, A, Rinolfi, Louis, Garoby, R, Vretenar, M, Devred, Arnaud, den Ouden, A, Richard, F, Schulte, Daniel, Palladino, V, Haseroth, H, and Scandale, Walter

Subjects
Accelerators and Storage Rings
Published
2004

24. Generation of GW radiation pulses from a VUV free- electron laser operating in the femtosecond regime

Author

Ayvazyan, V., Baboi, N., Bakker, R., Balakin, V., Barni, D., Bazhan, A., Bernard, M., Bosotti, A., Bourdon, J C., Brefeld, W., Brinkmann, R., Buhler, S., Carneiro, J P., Castellano, M G., Castro, P., Catani, L., Chel, S., Cho, Y., Choroba, S., Colby, E R., Decking, W., Den Hartog, P., Desmons, M., Dohlus, M., Edwards, D., Edwards, H T., Faatz, B., Feldhaus, J., Ferrario, M., Fitch, M J., Flottmann, K., Fouaidy, M., Gamp, A., Garvey, T., Geitz, M., Gluskin, E., Gretchko, V., Hahn, U., Hartung, W H., Hubert, D., Huning, M., Ischebek, R., Jablonka, M., Joly, J M., Juillard, M., Junquera, T., Jurkiewicz, P., Kabel, A., Kahl, J., Kaiser, H., Kamps, T., Katelev, V V., Kirchgessner, J L., Korfer, M., Kravchuk, L., Kreps, G., Krzywinski, J., Lokajczyk, T., Lange, R., Leblond, B., Leenen, M., Lesrel, J., Liepe, M., Liero, A., Limberg, T., Lorenz, R., Lu, H H., Lu, F H., Magne, C., Maslov, M., Materlik, G., Matheisen, A., Menzel, J., Michelato, P., Moller, W D., Mosnier, A., Muller, U C., Napoly, O., Novokhatski, A V., Omeich, M., Padamsee, H S., Pagani, C., Peters, F., Petersen, B., Pierini, P., Pfluger, J., Piot, P., Phung Ngoc, B., Plucinski, L., Proch, D., Rehlich, K., Reiche, S., Reschke, D., Reyzl, I., Rosenzweig, J., Rossbach, J., Roth, S., Saldin, E L., Sandner, W., Sanok, Z., Schlarb, H., Schmidt, G., Schmuser, P., Schneider, J R., Schneidmiller, E A., Schreiber, H J., Schreiber, S., Schutt, P., Sekutowicz, J., Serafini, L., Sertore, D., Setzer, S., Simrock, S., Sonntag, B F., Sparr, B., Stephan, F., Sytchev, V A., Tazzari, S., Tazzioli, F., Tigner, M., Timm, M., Tonutti, M., Trakhtenberg, E., Treusch, R., Trines, D., Verzilov, V., Vielitz, T., Vogel, V., Von Walter, G., Wanzenberg, R., Weiland, T., Weise, H., Weisend, J., Wendt, M., Werner, M., White, M M., Will, I., Wolff, S., Yurkov, M V., Zapfe, K., Zhogolev, P., Zhou, F., Laboratoire de l'Accélérateur Linéaire (LAL), and Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)

Subjects
[PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det]
Published
2002

26. Niob für TESLA: Eine globale Marktanalyse

Author

Kouptsidis, J., Peters, Franz, Proch, D., and Singer, W.

Subjects
electron positron: linear collider, niobium: fabrication, technology, costs, RF system: superconductivity, linear collider: proposed
Abstract

TESLA Reports 2001 16 pp. (2001).

Published
2001
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27. Niob für TESLA: Eine globale Marktanalyse

Author

Kouptsidis, J., Peters, Franz, Proch, D., and Singer, W.

Subjects
fabrication [niobium], proposed [linear collider], technology, costs, superconductivity [RF system], linear collider [electron positron]
Published
2001
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28. Proceedings, Workshop on Thin Film Coating Methods for Superconducting Accelerating Cavities

Author

Proch, D. and TESLA Collaboration

Subjects
RF system: fabrication, conference: Hamburg 2000/07/10, tin, copper, Hamburg 2000/07/10 [conference], RF system: superconductivity, superconductivity: surface, titanium, superconductivity [RF system], fabrication [RF system], surface [superconductivity], niobium
Abstract

Workshop on Thin Film Coating Methods for Superconducting Accelerating Cavities, Hamburg, Germany, 10 Jul 2000 - 10 Jul 2000; TESLA Reports 200 pp. (2000).

Published
2000
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29. The superconducting TESLA cavities

Author

Aune, B., Bandelmann, R., Bloess, D., Bonin, B., Bosotti, A., Champion, M., Crawford, C., Deppe, G., Dwersteg, B., Edwards, D. A., Edwards, Helen, Ferrario, M., Fouaidy, M., Gall, P-D., Gamp, A., Gössel, A., Graber, J., Hubert, D., Huening, Markus, Juillard, M., Junquera, T., Kaiser, H., Kreps, G., Kuchnir, M., Lange, R., Leenen, M., Liepe, M., Lilje, L., Matheisen, A., Möller, W-D., Mosnier, A., Padamsee, H., Pagani, C., Pekeler, M., Peters, H-B., Peters, O., Proch, D., Rehlich, K., Reschke, D., Safa, H., Schilcher, T., Schmüser, P., Sekutowicz, J., Simrock, S., Singer, W., Tigner, M., Trines, D., Twarowski, K., Weichert, G., Weisend, J., Wojtkiewicz, J., Wolff, S., and Zapfe, K.

Subjects
microwaves: energy loss, RF system: power supply, electron positron: linear collider, bibliography, fabrication, electric field: upper limit, Accelerators and Storage Rings, upper limit [electric field], proposed [linear collider], power supply [RF system], RF system: superconductivity, ddc:530, energy loss [microwaves], DESY Lab, superconductivity [RF system], niobium, linear collider: proposed, linear collider [electron positron]
Abstract

Physical review accelerators and beams 3(9), 092001 (2000). doi:10.1103/PhysRevSTAB.3.092001, The conceptional design of the proposed linear electron-positron collider TESLA is based on 9-cell 1.3 GHz superconducting niobium cavities with an accelerating gradient of Eacc >= 25 MV/m at a quality factor Q0 > 5E+9. The design goal for the cavities of the TESLA Test Facility (TTF) linac was set to the more moderate value of Eacc >= 15 MV/m. In a first series of 27 industrially produced TTF cavities the average gradient at Q0 = 5E+9 was measured to be 20.1 +- 6.2 MV/m, excluding a few cavities suffering from serious fabrication or material defects. In the second production of 24 TTF cavities additional quality control measures were introduced, in particular an eddy-current scan to eliminate niobium sheets with foreign material inclusions and stringent prescriptions for carrying out the electron-beam welds. The average gradient of these cavities at Q0 = 5E+9 amounts to 25.0 +- 3.2 MV/m with the exception of one cavity suffering from a weld defect. Hence only a moderate improvement in production and preparation techniques will be needed to meet the ambitious TESLA goal with an adequate safety margin. In this paper we present a detailed description of the design, fabrication and preparation of the TESLA Test Facility cavities and their associated components and report on cavity performance in test cryostats and with electron beam in the TTF linac. The ongoing R&D towards higher gradients is briefly addressed., Published by American Physical Society, College Park, MD

Published
2000
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41. Electron multipacting in RF structures

Author

Somersalo, E., Yla-Oijala, P., and Proch, D.

Subjects
secondary beam [electron], emission [electron], electromagnetic field, electron [emission], electron [secondary beam], RF system [superconductivity], superconductivity [RF system], numerical calculations
Published
1994
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44. Status of the Superconducting Cavity Program for HERA

Author

Dwersteg, B., Friesen, T., Körber, W., Matheisen, A., Möller, W. D., Proch, D., Yufang, Qiao, Renken, D., and Sekutowicz, J.

Subjects
DESY HERA Stor, storage ring [electron p], cryogenics, Tsukuba 1989/08/22 [talk], RF system [superconductivity], superconductivity [RF system]
Published
1990

45. Superconducting Cavities for HERA

Author

Dwersteg, B., Ebeling, W., Moller, W. D., Proch, D., Renken, D., Sekutowicz, J., and Tong, D.

Subjects
DESY HERA STOR, STORAGE RING [ELECTRON P], Physics::Instrumentation and Detectors, ROME 1988 [TALK], Physics::Accelerator Physics, High Energy Physics::Experiment, CRYOGENICS, PERFORMANCE, POWER SUPPLY [RF SYSTEM], SUPERCONDUCTIVITY [RF SYSTEM], RF SYSTEM [SUPERCONDUCTIVITY], QUENCHING [MONITORING]
Published
1988

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