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Optics Letters

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  • Vol. 28, Iss. 18 — Sep. 15, 2003
  • pp: 1680–1682

X-ray laser beam with diffraction-limited divergence generated with two gain media

Momoko Tanaka, Masaharu Nishikino, Tetsuya Kawachi, Noboru Hasegawa, Masataka Kado, Maki Kishimoto, Keisuke Nagashima, and Yoshiaki Kato  »View Author Affiliations


Optics Letters, Vol. 28, Issue 18, pp. 1680-1682 (2003)
http://dx.doi.org/10.1364/OL.28.001680


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Abstract

We demonstrate an x-ray laser at a wavelength of 13.9 nm with a beam divergence of 0.2 mrad, which is 1.8 times the diffraction limit. The x-ray laser is generated with two gain media; the seed x-ray pulse from the first medium is amplified in the second medium. The effect of refraction on x-ray propagation is reduced by spatially and temporally controlling the injection of the seed x-ray to the second medium.

© 2003 Optical Society of America

OCIS Codes
(140.3300) Lasers and laser optics : Laser beam shaping
(140.7240) Lasers and laser optics : UV, EUV, and X-ray lasers
(230.6080) Optical devices : Sources
(350.5400) Other areas of optics : Plasmas

Citation
Momoko Tanaka, Masaharu Nishikino, Tetsuya Kawachi, Noboru Hasegawa, Masataka Kado, Maki Kishimoto, Keisuke Nagashima, and Yoshiaki Kato, "X-ray laser beam with diffraction-limited divergence generated with two gain media," Opt. Lett. 28, 1680-1682 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-18-1680


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