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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 5 — Mar. 3, 2008
  • pp: 2989–2994

Multi-watt power blue light generation by intracavity sum- frequency-mixing in KTiOPO4 crystal

Zhu Haiyong, Zhang Ge, Huang Chenghui, Wei Yong, Huang Lingxiong, and Chen Zhenqiang  »View Author Affiliations

Optics Express, Vol. 16, Issue 5, pp. 2989-2994 (2008)

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In this paper, a high power blue laser at 447 nm was obtained by intracavity sum-frequency-mixing of a diode-side-pumped Q-switched Nd:YAlO3 (Nd:YAP) laser operating at 1341.4 nm. A type-I critical phase matching LiB3O5 (LBO) crystal and type-II critical phase matching KTiOPO4 (KTP) crystal were used for second harmonic generation and third harmonic generation, respectively. The phase matching condition of the KTP crystal was researched. The results show that the KTP has superiority in intracavity sum-frequency-mixing blue light generation. 4.76 W blue light output was achieved at 4.6 kHz with the pulse width of 190ns. The fluctuation of output power was better than 3% at the output power of 4.76 W during half an hour.

© 2008 Optical Society of America

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3540) Lasers and laser optics : Lasers, Q-switched
(140.7300) Lasers and laser optics : Visible lasers
(190.2620) Nonlinear optics : Harmonic generation and mixing

ToC Category:
Lasers and Laser Optics

Original Manuscript: January 14, 2008
Revised Manuscript: February 13, 2008
Manuscript Accepted: February 18, 2008
Published: February 20, 2008

Zhu Haiyong, Zhang Ge, Huang Chenghui, Wei Yong, Huang Lingxiong, and Chen Zhenqiang, "Multi-watt power blue light generation by intracavity sum- frequency-mixing in KTiOPO4 crystal," Opt. Express 16, 2989-2994 (2008)

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