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24 results on '"Dejus, R. J."'

2. Exponential Gain and Saturation of a Self-Amplified Spontaneous Emission Free-Electron Laser

Author

Milton, S. V., Gluskin, E., Arnold, N. D., Benson, C., Berg, W., Biedron, S. G., Borland, M., Dejus, R. J., Den Hartog, P. K., Deriy, B., Erdmann, M., Eidelman, Y. I., Hahne, M. W., Huang, Z., Lewellen, J. W., Li, Y., Lumpkin, A. H., Makarov, O., Moog, E. R., Nassiri, A., Sajaev, V., Soliday, R., Tieman, B. J., Trakhtenberg, E. M., Travish, G., Vasserman, I. B., Vinokurov, N. A., Wang, X. J., Wiemerslage, G., and Yang, B. X.

Published
2001

6. Multi-dimensional free electron laser simulation codes: A comparison study

Author

Biedron, S. G., Chae, Y. C., Dejus, R. J., Freund, H. P., Milton, S. V., Faatz, B., Reiche, S., and Nuhn, H. D.

Subjects
radiation: yield, yield [radiation], magnet: undulator, undulator [magnet], Argonne Lab, ddc:530, free electron laser, talk: Hamburg 1999/08/23, programming, Hamburg 1999/08/23 [talk], wiggler
Abstract

6 pp. (2000)., A self-amplified spontaneous emission (SASE) free-electron laser (FEL) is under construction at the Advanced Photon Source (APS). Five FEL simulation codes were used in the design phase: GENESIS, GINGER, MEDUSA, RON, and TDA3D. Initial comparisons between each of these independent formulations show good agreement for the parameters of the APS SASE FEL.

Published
2000

7. A Design Concept for a Planar Superconducting Undulator for the APS

Author

Ivanyushenkov, Y., primary, Abliz, M., additional, Boerste, K., additional, Buffington, T., additional, Capatina, D., additional, Dejus, R. J., additional, Doose, C., additional, Fuerst, J., additional, Hasse, Q., additional, Jaski, M., additional, Kasa, M., additional, Kim, S. H., additional, Kustom, R. L., additional, Mezentsev, N. A., additional, Moog, E. R., additional, Skiadopoulos, D., additional, Syrovatin, V. M., additional, Trakhtenberg, E. M., additional, Vasserman, I. B., additional, and Xu, J., additional

Published
2011
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10. Self-amplified spontaneous emission saturation at the Advanced Photon Source free-electron laser (abstract) (invited)

Author

Moog, E. R., primary, Milton, S. V., additional, Arnold, N. D., additional, Benson, C., additional, Berg, W., additional, Biedron, S. G., additional, Borland, M., additional, Chae, Y.-C., additional, Dejus, R. J., additional, Den Hartog, P. K., additional, Deriy, B., additional, Erdmann, M., additional, Gluskin, E., additional, Huang, Z., additional, Kim, K.-J., additional, Lewellen, J. W., additional, Li, Y., additional, Lumpkin, A. H., additional, Makarov, O., additional, Nassiri, A., additional, Sajaev, V., additional, Soliday, R., additional, Tieman, B. J., additional, Trakhtenberg, E. M., additional, Travish, G., additional, Vasserman, I. B., additional, Vinokurov, N. A., additional, Wiemerslage, G., additional, and Yang, B. X., additional

Published
2002
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11. Applications with Intense OTR Images II: Microbunched Electron Beams.

Author

Lumpkin, A. H., Dejus, R. J., and Rule, D. W.

Subjects
*RADIATION, *LASERS, *OPTOELECTRONIC devices, *PARTICLE beams, *PHOTON beams, *PHYSICS
Abstract

In this second application for intense images we take advantage of the coherent enhancement of optical transition radiation (OTR) due to self-amplified spontaneous emission (SASE) free-electron laser (FEL)-induced microbunching of the beam. A much smaller number of total particles is involved, but the microbunched fraction (NB) gives a NB2 enhancement. We report measurements on the z-dependent growth of the coherent OTR (COTR) and the effects of beam size and electron beam/photon beam coalignment in the COTR interferograms. © 2004 American Institute of Physics [ABSTRACT FROM AUTHOR]

Published
2004
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12. Phasing of the insertion devices at APS FEL project.

Author

Vasserman, I. B., Vinokurov, N. A., and Dejus, R. J.

Subjects
FREE electron lasers, PHOTONS, MAGNETIC fields
Abstract

The amplifier part of the free-electron laser (FEL) at the Advanced Photon Source at Argonne National Laboratory consists of 12 identical 2.7-meter-long sections. The break length between undulators must provide proper phasing and space necessary for the diagnostic system. Proper phasing is an essential parameter affecting the performance of the amplifier. Different options of phasing were examined. The approach implemented provides sufficient flexibility. A special technique to adjust the break length in a range of about ±2 cm has been demonstrated. © 2000 American Institute of Physics. [ABSTRACT FROM AUTHOR]

Published
2000

13. Observation of Self-Amplified Spontaneous Emission and Exponential Growth at 530 nm

Author

Milton, S. V., primary, Gluskin, E., additional, Biedron, S. G., additional, Dejus, R. J., additional, Den Hartog, P. K., additional, Galayda, J. N., additional, Kim, K.-J., additional, Lewellen, J. W., additional, Moog, E. R., additional, Sajaev, V., additional, Sereno, N. S., additional, Travish, G., additional, Vinokurov, N. A., additional, Arnold, N. D., additional, Benson, C., additional, Berg, W., additional, Biggs, J. A., additional, Borland, M., additional, Carwardine, J. A., additional, Chae, Y.-C., additional, Decker, G., additional, Deriy, B. N., additional, Erdmann, M. J., additional, Friedsam, H., additional, Gold, C., additional, Grelick, A. E., additional, Hahne, M. W., additional, Harkay, K. C., additional, Huang, Z., additional, Lessner, E. S., additional, Lill, R. M., additional, Lumpkin, A. H., additional, Makarov, O. A., additional, Markovich, G. M., additional, Meyer, D., additional, Nassiri, A., additional, Noonan, J. R., additional, Pasky, S. J., additional, Pile, G., additional, Smith, T. L., additional, Soliday, R., additional, Tieman, B. J., additional, Trakhtenberg, E. M., additional, Trento, G. F., additional, Vasserman, I. B., additional, Walters, D. R., additional, Wang, X. J., additional, Wiemerslage, G., additional, Xu, S., additional, and Yang, B.-X., additional

Published
2000
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16. APS undulator radiation—first results

Author

Cai, Z., primary, Dejus, R. J., additional, Den Hartog, P., additional, Feng, Y., additional, Gluskin, E., additional, Haeffner, D., additional, Ilinski, P., additional, Lai, B., additional, Legnini, D., additional, Moog, E. R., additional, Shastri, S., additional, Trakhtenberg, E., additional, Vasserman, I., additional, and Yun, W., additional

Published
1996
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