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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 7, Iss. 9 — Sep. 1, 2009
  • pp: 815–818

589-nm yellow laser generation by intra-cavity sum-frequency mixing in a T-shaped Nd:YAG laser cavity

Xiuyan Chen, Xiu Li, Haolei Zhang, Haowei Chen, Jintao Bai, and Zhaoyu Ren  »View Author Affiliations


Chinese Optics Letters, Vol. 7, Issue 9, pp. 815-818 (2009)


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Abstract

To obtain high power 589-nm yellow laser, a T-shaped thermal-insensitive cavity is designed. The optimal power ratio of 1064- and 1319-nm beams is considered and the fundamental spot size distribution from the output mirror to the two laser rods are calculated and simulated, respectively. As a result, a 589-nm yellow laser with the average output power of 5.7 W is obtained in the experiment when the total pumping power is 695 W. The optical-to-optical conversion efficiency from the fundamental waves to the sum frequency generation is about 15.2% and the pulse width is 150 ns at the repetition rate of 18 kHz. The instability of the yellow laser is also measured, which is less than 2% within 3 h. The beam quality factors are M<sup>2</sup><sub>x</sub>=4.96 and M<sup>2</sup><sub>y</sub>= 5.08.

© 2009 Chinese Optics Letters

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(190.0190) Nonlinear optics : Nonlinear optics

Citation
Xiuyan Chen, Xiu Li, Haolei Zhang, Haowei Chen, Jintao Bai, and Zhaoyu Ren, "589-nm yellow laser generation by intra-cavity sum-frequency mixing in a T-shaped Nd:YAG laser cavity," Chin. Opt. Lett. 7, 815-818 (2009)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-7-9-815

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