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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry M. Van Driel
  • Vol. 24, Iss. 5 — May. 1, 2007
  • pp: 1042–1045

High-energy LDA side-pumped electro-optical Q-switched Nd:YAG ceramic laser

Yunfeng Qi, Xiaolei Zhu, Qihong Lou, Jianghua Ji, Jingxing Dong, and Runrong Wei  »View Author Affiliations


JOSA B, Vol. 24, Issue 5, pp. 1042-1045 (2007)
http://dx.doi.org/10.1364/JOSAB.24.001042


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Abstract

By employing a uniformly compact side-pumping system, a high-energy electro-optical Q-switched Nd:YAG ceramic laser has been demonstrated. With 420 W quasi-cw laser-diode-array pumping at 808 nm and a 100 Hz modulating repetition rate, 50 mJ output energy at 1064 nm was obtained with 10 ns pulse width, 5 W average output power, and 5 MW peak power. Its corresponding slope efficiency was 29.8%. The laser system operated quite stably and no saturation phenomena have been observed, which means higher output energy could be expected. Laser parameters between ceramic and single-crystal Nd:YAG lasers have been compared, and pulse characteristics of Nd:YAG ceramic with different repetition rate have been investigated in detail. The still-evolving Nd:YAG ceramics are potential super excellent media for high-energy laser applications.

© 2007 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3460) Lasers and laser optics : Lasers
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3580) Lasers and laser optics : Lasers, solid-state

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: April 28, 2006
Revised Manuscript: December 16, 2006
Manuscript Accepted: January 19, 2007
Published: April 17, 2007

Citation
Yunfeng Qi, Xiaolei Zhu, Qihong Lou, Jianghua Ji, Jingxing Dong, and Runrong Wei, "High-energy LDA side-pumped electro-optical Q-switched Nd:YAG ceramic laser," J. Opt. Soc. Am. B 24, 1042-1045 (2007)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-24-5-1042

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