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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 35, Iss. 14 — Jul. 15, 2010
  • pp: 2317–2319

Improved beam characteristics of solid-target soft x-ray laser amplifiers by injection seeding with high harmonic pulses

Mark Berrill, David Alessi, Yong Wang, Scott R. Domingue, Dale H. Martz, Brad M. Luther, Yanwei Liu, and Jorge J. Rocca  »View Author Affiliations


Optics Letters, Vol. 35, Issue 14, pp. 2317-2319 (2010)
http://dx.doi.org/10.1364/OL.35.002317


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Abstract

Injection seeding of solid-target soft x-ray laser amplifiers with high harmonic pulses is shown to dramatically improve the far-field laser beam profile and reduce the beam divergence. Measurements and two-dimensional simulations for a 13.9 nm nickel-like Ag amplifier show that the amplified beam divergence depends strongly on the seed and can therefore be controlled by selecting the divergence of the seed. The near-field beam size of both the seeded and unseeded lasers is shown to be determined by the size of the gain region and the divergence of the amplified beams.

© 2010 Optical Society of America

OCIS Codes
(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

History
Original Manuscript: February 11, 2010
Revised Manuscript: June 10, 2010
Manuscript Accepted: June 13, 2010
Published: July 1, 2010

Citation
Mark Berrill, David Alessi, Yong Wang, Scott R. Domingue, Dale H. Martz, Brad M. Luther, Yanwei Liu, and Jorge J. Rocca, "Improved beam characteristics of solid-target soft x-ray laser amplifiers by injection seeding with high harmonic pulses," Opt. Lett. 35, 2317-2319 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-14-2317

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