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Optics Letters

Optics Letters


  • Vol. 32, Iss. 5 — Mar. 1, 2007
  • pp: 491–493

Valley density profile for highly efficient x-ray lasers with good beam quality

J. Zhao, Q. L. Dong, and J. Zhang  »View Author Affiliations

Optics Letters, Vol. 32, Issue 5, pp. 491-493 (2007)

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A plasma with a valley density profile at the required electron density for high-gain operation of an x-ray laser could be obtained using a normally incident 300 ps laser pulse followed by a grazing-incident 300 ps laser pulse. Sudden heating of the valley plasma region by another grazing-incident 300 fs laser pulse would then yield a highly efficient x-ray laser beam with a deflecting angle of 2 mrad and a divergence angle of 4 mrad . Saturation operation of the x-ray laser beam at 32.6 nm could be achieved with a total pump energy of less than 100 mJ .

© 2007 Optical Society of America

OCIS Codes
(140.5560) Lasers and laser optics : Pumping
(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)

ToC Category:
Lasers and Laser Optics

Original Manuscript: August 21, 2006
Manuscript Accepted: October 31, 2006
Published: February 2, 2007

J. Zhao, Q. L. Dong, and J. Zhang, "Valley density profile for highly efficient x-ray lasers with good beam quality," Opt. Lett. 32, 491-493 (2007)

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