Abstract

The green noise in intracavity-doubled Nd:YVO₄ lasers can be eliminated by single-mode operation of the device, although good long-term stability remains a problem. We have studied the threshold when multimode operation sets in, with both respect to polarization modes and longitudinal modes, as a function of various cavity parameters. It is demonstrated that the device is sensitive to perturbations in the birefringence and the optical path length of the elements in the cavity. The influence of energy migration and intensity-dependent losses that are due to frequency conversion is also discussed. Good control of the cavity temperature and dimensions is a key point for long-term stability.

© 1994 Optical Society of America

Four watt long-term stable intracavity frequency-doubling Nd:YVO₄ laser of single-frequency operation pumped by a fiber-coupled laser diode

Yaohui Zheng, Huadong Lu, Fengqin Li, Kuanshou Zhang, and Kunchi Peng
Appl. Opt. 46(22) 5336-5339 (2007)

Efficient operation of an intracavity-doubled nd:yvo₄/ktp laser end pumped by a high-brightness laser diode

Deyuan Shen, Anping Liu, Jie Song, and Ken-ichi Ueda
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Elimination of chaos in a multilongitudinal-mode, diode-pumped, 6-W continuous-wave, intracavity-doubled Nd:YAG laser

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Intracavity frequency doubling and Q switching in diode-laser-pumped Nd:YVO₄ lasers

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Appl. Opt. 34(21) 4298-4301 (1995)

Efficient 671-nm pump source by intracavity doubling of a diode-pumped Nd:YVO₄ laser

Antonio Agnesi, Annalisa Guandalini, and Giancarlo Reali
J. Opt. Soc. Am. B 19(5) 1078-1082 (2002)