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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry M. Van Driel
  • Vol. 25, Iss. 7 — Jul. 1, 2008
  • pp: B76–B84

Characteristics of a Ni-like silver x-ray laser pumped by a single profiled laser pulse

H. T. Kim, C. M. Kim, I. W. Choi, N. Hafz, H. C. Kang, J. H. Sung, T. J. Yu, S. K. Lee, K.-H. Hong, T. M. Jeong, Y.-C. Noh, D.-K. Ko, J. Tümmler, P. V. Nickles, W. Sandner, K. A. Janulewicz, and J. Lee  »View Author Affiliations


JOSA B, Vol. 25, Issue 7, pp. B76-B84 (2008)
http://dx.doi.org/10.1364/JOSAB.25.000B76


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Abstract

We characterized a Ni-like silver soft x-ray laser realized as, what we believe is, a new variant of the grazing incidence pumping (GRIP) scheme. The x-ray laser was pumped by a single profiled laser pulse from a 10 Hz Ti:sapphire laser system. The Ni-like Ag x-ray laser was saturated with a gain coefficient of 76 cm 1 and an effective gain-length product of 28.2. The spatial characteristics of the new version of GRIP x-ray laser are presented including the far- and near-field beam profiles. Computational modeling of the lasing conditions was used to provide some qualitative explanations of the physical processes occurring in the x-ray laser. Additionally, we obtained some preliminary results on the injection seeding technique applied to the Ni-like Ag active medium using the 59th harmonic of the Ti:sapphire laser pulse as the seed. The single-pulse variant of the pumping scheme proved to be a stable and simple configuration of the table-top x-ray lasers also suitable for the injector-amplifier arrangement.

© 2008 Optical Society of America

OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(340.7480) X-ray optics : X-rays, soft x-rays, extreme ultraviolet (EUV)
(020.2649) Atomic and molecular physics : Strong field laser physics
(260.6048) Physical optics : Soft x-rays

ToC Category:
High-field Short Wavelengths

History
Original Manuscript: December 3, 2007
Manuscript Accepted: February 19, 2008
Published: May 21, 2008

Citation
H. T. Kim, C. M. Kim, I. W. Choi, N. Hafz, H. C. Kang, J. H. Sung, T. J. Yu, S. K. Lee, K.-H. Hong, T. M. Jeong, Y.-C. Noh, D.-K. Ko, J. Tümmler, P. V. Nickles, W. Sandner, K. A. Janulewicz, and J. Lee, "Characteristics of a Ni-like silver x-ray laser pumped by a single profiled laser pulse," J. Opt. Soc. Am. B 25, B76-B84 (2008)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-25-7-B76

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