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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 20, Iss. 1 — Jan. 1, 2003
  • pp: 195–202

Investigations of collisionally pumped optical field ionization soft-x-ray lasers

Stéphane Sebban, Lee M. Upcraft, Philippe Balcou, Moana Pittman, Romain Haroutunian, Georges Grillon, Constance Valentin, Antoine Rousse, Jean-Philippe Rousseau, Laurent Notebaert, Danièle Hulin, Tomas Mocek, Bedrich Rus, David Ros, Annie Klisnick, Antoine Carillon, and Gérard Jamelot  »View Author Affiliations


JOSA B, Vol. 20, Issue 1, pp. 195-202 (2003)
http://dx.doi.org/10.1364/JOSAB.20.000195


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Abstract

We report recent investigations of optical field ionization soft-x-ray lasers. We generated the amplifying medium by focusing a circularly polarized 760-mJ, 30-fs 10-Hz Ti:sapphire laser system into a gas cell a few millimeters long filled with xenon or krypton gas. A gain of 67 cm−1 on the 4d95p–4d95d transition at 41.8 nm in Pd-like xenon and a gain–length product of 15 have been inferred at saturation. This source delivers ∼5×109 photons per pulse. More recently we demonstrated lasing at 32.8 nm in Ni-like krypton. The influence of the pumping energy and the laser polarization on the lasing output as well as on the far-field pattern of the x-ray laser beam are reported and discussed.

© 2003 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.7240) Lasers and laser optics : UV, EUV, and X-ray lasers
(340.7480) X-ray optics : X-rays, soft x-rays, extreme ultraviolet (EUV)

Citation
Stéphane Sebban, Lee M. Upcraft, Philippe Balcou, Moana Pittman, Romain Haroutunian, Georges Grillon, Constance Valentin, Antoine Rousse, Jean-Philippe Rousseau, Laurent Notebaert, Danièle Hulin, Tomas Mocek, Bedrich Rus, David Ros, Annie Klisnick, Antoine Carillon, and Gérard Jamelot, "Investigations of collisionally pumped optical field ionization soft-x-ray lasers," J. Opt. Soc. Am. B 20, 195-202 (2003)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-20-1-195


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