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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 24 — Nov. 23, 2009
  • pp: 21544–21550

Efficient second harmonic generation of double-end diffusion-bonded Nd:YVO4 self-Raman laser producing 7.9 W yellow light

Haiyong Zhu, Yanmin Duan, Ge Zhang, Chenghui Huang, Yong Wei, Hongyuan Shen, Yiqun Zheng, Lingxiong Huang, and Zhenqiang Chen  »View Author Affiliations


Optics Express, Vol. 17, Issue 24, pp. 21544-21550 (2009)
http://dx.doi.org/10.1364/OE.17.021544


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Abstract

A high power and efficient 588 nm yellow light is demonstrated through intracavity frequency doubling of an acousto-optic Q-switched self-frequency Raman laser. A 30-mm-length double-end diffusion-bonded Nd:YVO4 crystal was utilized for efficient self-Raman laser operation by reducing the thermal effects and increasing the interaction length for the stimulated Raman scattering. A 15-mm-length LBO with non-critical phase matching (θ = 90°, ϕ = 0°) cut was adopted for efficient second-harmonic generation. The focus position of incident pump light and both the repetition rate and the duty cycle of the Q-switch have been optimized. At a repetition rate of 110 kHz and a duty cycle of 5%, the average power of 588 nm light is up to 7.93 W while the incident pump power is 26.5 W, corresponding to an overall diode-yellow conversion efficiency of 30% and a slope efficiency of 43%.

© 2009 OSA

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3540) Lasers and laser optics : Lasers, Q-switched
(140.3550) Lasers and laser optics : Lasers, Raman
(140.7300) Lasers and laser optics : Visible lasers
(190.2620) Nonlinear optics : Harmonic generation and mixing

ToC Category:
Nonlinear Optics

History
Original Manuscript: September 4, 2009
Revised Manuscript: October 30, 2009
Manuscript Accepted: November 8, 2009
Published: November 11, 2009

Citation
Haiyong Zhu, Yanmin Duan, Ge Zhang, Chenghui Huang, Yong Wei, Hongyuan Shen, Yiqun Zheng, Lingxiong Huang, and Zhenqiang Chen, "Efficient second harmonic generation of double-end diffusion-bonded Nd:YVO4 self-Raman laser producing 7.9 W yellow light," Opt. Express 17, 21544-21550 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-24-21544


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References

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