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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 24 — Nov. 22, 2010
  • pp: 25339–25345

Multi-reflected enhancement of fourth harmonic DUV laser generation at 266 nm

Fengjiang Zhuang, Ning Ye, Chenghui Huang, Haiyong Zhu, Yong Wei, Zhenqiang Chen, Hongwei Wang, and Ge Zhang  »View Author Affiliations

Optics Express, Vol. 18, Issue 24, pp. 25339-25345 (2010)

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The stable compact operation in the deep ultraviolet laser at 266 nm is reported from a diode-end-pumped acoustic-optic Q-switched Nd:YVO4/KTP/BBO laser. Fourth harmonic is generated by employing multiple reflections of 532 nm light for taking full advantage of the green beam. An ultraviolet laser at 266 nm with average power of 388.5 mW is obtained with a repetition-rate of 20 kHz, a pulse width of about 59.80 ns, and the corresponding optical to optical conversion efficiency of 11.9% from green to UV. High conversion efficiency and a circular spot of 266 nm laser beam have been achieved in an unfocused beam arrangement.

© 2010 OSA

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3610) Lasers and laser optics : Lasers, ultraviolet
(190.2620) Nonlinear optics : Harmonic generation and mixing

ToC Category:
Lasers and Laser Optics

Original Manuscript: September 10, 2010
Revised Manuscript: November 1, 2010
Manuscript Accepted: November 12, 2010
Published: November 19, 2010

Fengjiang Zhuang, Ning Ye, Chenghui Huang, Haiyong Zhu, Yong Wei, Zhenqiang Chen, Hongwei Wang, and Ge Zhang, "Multi-reflected enhancement of fourth harmonic DUV laser generation at 266 nm," Opt. Express 18, 25339-25345 (2010)

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