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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 14, Iss. 14 — Jul. 10, 2006
  • pp: 6543–6549

Generation of 7.6-W blue laser by frequency-tripling of a Nd:YAG laser in LBO crystals

Haibo Peng, Wei Hou, Yahui Chen, Dafu Cui, Zuyan Xu, Chuantian Chen, Feidie Fan, and Yong Zhu  »View Author Affiliations

Optics Express, Vol. 14, Issue 14, pp. 6543-6549 (2006)

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High-power, quasi-continuous wave blue laser output is obtained by intracavity frequency-tripling of a 1.319 µm Nd:YAG laser with two LiB3O5 crystals. The conversion efficiency and the stability of the blue laser output power at 439.7 nm were both improved through the suppression of 1.338 µm operation by means of a thin YAG etalon. 7.6 W average power at 439.7 nm was demonstrated at 5 kHz with pulse width of 170±10 ns (FWHM). The beam quality factor M2 is 12±2 in both horizontal and vertical directions. The long-term stability of the blue light is better than 1% at an output of 6 W for 200 operation hours.

© 2006 Optical Society of America

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.7300) Lasers and laser optics : Visible lasers
(190.2620) Nonlinear optics : Harmonic generation and mixing

ToC Category:
Nonlinear Optics

Original Manuscript: April 4, 2006
Revised Manuscript: May 8, 2006
Manuscript Accepted: May 8, 2006
Published: July 10, 2006

Haibo Peng, Wei Hou, Yahui Chen, Dafu Cui, Zuyan Xu, Chuantian Chen, Feidie Fan, and Yong Zhu, "Generation of 7.6-W blue laser by frequency-tripling of a Nd:YAG laser in LBO crystals," Opt. Express 14, 6543-6549 (2006)

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