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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 7 — Apr. 8, 2013
  • pp: 8393–8400

High efficiency 12.5 J second-harmonic generation from CsLiB6O10 nonlinear crystal by diode-pumped Nd:glass laser

Takashi Sekine, Hiroshi Sakai, Yasuki Takeuchi, Yuma Hatano, Toshiyuki Kawashima, Hirofumi Kan, Junji Kawanaka, Noriaki Miyanaga, and Takayoshi Norimatsu  »View Author Affiliations


Optics Express, Vol. 21, Issue 7, pp. 8393-8400 (2013)
http://dx.doi.org/10.1364/OE.21.008393


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Abstract

A 12.5 J second-harmonic generation with 71.5% conversion efficiency at 0.6 Hz repetition rate from a diode-pumped Nd:glass laser system has been demonstrated by using a CsLiB6O10 (CLBO) nonlinear optical crystal as a frequency doubler. The CLBO has aperture of 40 mm x 40 mm and thickness of 14 mm with Type-II phase matching. The CLBO is mounted into a housing which flows dry nitrogen gas on the CLBO’s face. There is no significant reduction of conversion efficiency by exposing of over 600,000 shots for intermissive experiment during 3 years. In our knowledge, these experimental results of output energy and conversion efficiency are highest performance as second-harmonic generation of a diode-pumped solid state laser by using one CLBO nonlinear crystal. In this paper, potential of the CLBO as a frequency converter for repetitive kJ class laser is discussed.

© 2013 OSA

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3515) Lasers and laser optics : Lasers, frequency doubled

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: January 2, 2013
Revised Manuscript: February 15, 2013
Manuscript Accepted: February 18, 2013
Published: March 29, 2013

Citation
Takashi Sekine, Hiroshi Sakai, Yasuki Takeuchi, Yuma Hatano, Toshiyuki Kawashima, Hirofumi Kan, Junji Kawanaka, Noriaki Miyanaga, and Takayoshi Norimatsu, "High efficiency 12.5 J second-harmonic generation from CsLiB6O10 nonlinear crystal by diode-pumped Nd:glass laser," Opt. Express 21, 8393-8400 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-7-8393


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