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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 45, Iss. 11 — Apr. 10, 2006
  • pp: 2499–2503

High-power and high-quality, green-beam generation by employing a thermally near-unstable resonator design

Yong Bo, Aicong Geng, Yong Bi, Zhipei Sun, Xiaodong Yang, Qinjun Peng, Huiqing Li, Ruining Li, Dafu Cui, and Zuyan Xu  »View Author Affiliations

Applied Optics, Vol. 45, Issue 11, pp. 2499-2503 (2006)

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We have obtained green-beam quality of M 2 = 6.2 at an average output power of 120   W by intracavity frequency doubling of a diode-side-pumped, Q-switched Nd:YAG rod laser with a repetition rate of 10   kHz and an optical-to-optical conversion efficiency of 15.2 % . To achieve high-beam quality at high average power, the laser employs a thermally near-unstable resonator design with two-rod birefringence compensation in an L-shaped flat–flat cavity. The output power fluctuation of the green laser remains less than 0.9 % in 4 h.

© 2006 Optical Society of America

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3540) Lasers and laser optics : Lasers, Q-switched
(140.3580) Lasers and laser optics : Lasers, solid-state
(190.2620) Nonlinear optics : Harmonic generation and mixing

Original Manuscript: March 16, 2005
Revised Manuscript: June 21, 2005
Manuscript Accepted: October 14, 2005

Yong Bo, Aicong Geng, Yong Bi, Zhipei Sun, Xiaodong Yang, Qinjun Peng, Huiqing Li, Ruining Li, Dafu Cui, and Zuyan Xu, "High-power and high-quality, green-beam generation by employing a thermally near-unstable resonator design," Appl. Opt. 45, 2499-2503 (2006)

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