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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 9 — Apr. 23, 2012
  • pp: 10128–10137

Low energy prepulse for 10 Hz operation of a soft-x-ray laser

J. Habib, O. Guilbaud, B. Zielbauer, D. Zimmer, M. Pittman, S. Kazamias, C. Montet, T. kuehl, and D. Ros  »View Author Affiliations

Optics Express, Vol. 20, Issue 9, pp. 10128-10137 (2012)

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The influence on Nickel-like Molybdenum soft-x-ray laser performance and stability of a low energy laser prepulse arriving prior to the main laser pumping pulses is experimentally investigated. A promising regime for 10 Hz operation has been observed. A four times increase in soft-x-ray laser operation time with a same target surface is demonstrated. This soft-x-ray laser operation mode corresponds to an optimum delay between the prepulse and the main pulses and to a prepulse energy greater than 20 mJ. We also show that this regime is not associated with a weaker degradation of the target or any reduced ablation rate. Therefore the role of preplasma density gradient in this effect is discussed.

© 2012 OSA

OCIS Codes
(140.7240) Lasers and laser optics : UV, EUV, and X-ray lasers
(260.7200) Physical optics : Ultraviolet, extreme
(340.7480) X-ray optics : X-rays, soft x-rays, extreme ultraviolet (EUV)
(350.3390) Other areas of optics : Laser materials processing

ToC Category:
X-ray Optics

Original Manuscript: January 4, 2012
Revised Manuscript: February 18, 2012
Manuscript Accepted: February 18, 2012
Published: April 18, 2012

J. Habib, O. Guilbaud, B. Zielbauer, D. Zimmer, M. Pittman, S. Kazamias, C. Montet, T. kuehl, and D. Ros, "Low energy prepulse for 10 Hz operation of a soft-x-ray laser," Opt. Express 20, 10128-10137 (2012)

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  1. Y. Wang, M. A. Larotonda, B. M. Luther, D. Alessi, M. Berrill, V. N. Shlyaptsev, and J. J. Rocca, “Demonstration of high-repetition-rate tabletop soft-x-ray lasers with saturated output at wavelengths down to 13.9 nm and gain down to 10.9 nm,” Phys. Rev. A2, 053807 (2005). [CrossRef]
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