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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 19, Iss. 15 — Jul. 18, 2011
  • pp: 14223–14232

Large-aperture Nd:glass laser amplifiers with high pulse repetition rate

A. A. Kuzmin, E. A. Khazanov, and A. A. Shaykin  »View Author Affiliations

Optics Express, Vol. 19, Issue 15, pp. 14223-14232 (2011)

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Nd:glass amplifiers are used in most of the existed petawatt laser facilities. A typical repetition rate of such lasers is 1 shot per 30 minutes or less. Limitations are thermally induced distortions of radiation and tensile stresses in Nd:glass. An increase of the repetition rate is an urgent problem. We have investigated thermally induced depolarization and thermal lens effects in Nd:glass rods up to 10 cm in diameter at a pump pulse repetition period of 3 minutes. It is shown that the rods have a safety factor of at least 5 before thermal stress induced damage would occur, and despite of their size phase and polarization distortions could be compensated.

© 2011 OSA

OCIS Codes
(140.3530) Lasers and laser optics : Lasers, neodymium
(140.6810) Lasers and laser optics : Thermal effects

ToC Category:
Lasers and Laser Optics

Original Manuscript: May 12, 2011
Revised Manuscript: June 10, 2011
Manuscript Accepted: June 21, 2011
Published: July 11, 2011

A. A. Kuzmin, E. A. Khazanov, and A. A. Shaykin, "Large-aperture Nd:glass laser amplifiers with high pulse repetition rate," Opt. Express 19, 14223-14232 (2011)

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