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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 19 — Sep. 15, 2008
  • pp: 14335–14340

103W high beam quality green laser with an extra- cavity second harmonic generation

Qiang Liu, Xingpeng Yan, Mali Gong, Xing Fu, and Dongsheng Wang  »View Author Affiliations


Optics Express, Vol. 16, Issue 19, pp. 14335-14340 (2008)
http://dx.doi.org/10.1364/OE.16.014335


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Abstract

We demonstrated a 103.5 W green laser with an extra-cavity second harmonic generation. The IR source was a high power Q-switched Nd:YVO4 MOPA laser. The type I phase-matching LiB3O5 was used as the nonlinear crystal in the second harmonic generation. The 103.5 W average power of 532 nm green laser was obtained at a repetition rate of 60 kHz with the beam quality factors of M2x<1.44 and M2y<1.23 in the orthogonal directions, corresponding to a peak power as high as 1.5 MW with the instability of pulse energy less than ±4%. The optical frequency conversion efficiency from IR to green laser was up to 67%.

© 2008 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3580) Lasers and laser optics : Lasers, solid-state
(190.2620) Nonlinear optics : Harmonic generation and mixing

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: June 19, 2008
Revised Manuscript: August 25, 2008
Manuscript Accepted: August 26, 2008
Published: August 29, 2008

Citation
Qiang Liu, Xingpeng Yan, Mali Gong, Xing Fu, and Dongsheng Wang, "103 W high beam quality green laser with an extra- cavity second harmonic generation," Opt. Express 16, 14335-14340 (2008)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-16-19-14335


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