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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 20, Iss. 3 — Mar. 1, 2003
  • pp: 479–483

Cavity configuration for a Q-switched simultaneous dual-wavelength Nd:YAlO3 laser with the characteristic of polarization-dependent emission cross section

Wenxiong Lin, Shouqun Lin, and Jianhong Huang  »View Author Affiliations


JOSA B, Vol. 20, Issue 3, pp. 479-483 (2003)
http://dx.doi.org/10.1364/JOSAB.20.000479


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Abstract

By investigating the rate equations of Q-switched simultaneous dual-wavelength lasers and by using the polarization-dependent emission cross section of a Nd:YAlO3 laser crystal to balance the equivalent emission cross sections of the dual lasing wavelengths, we have developed a new resonator configuration by introducing a quarter-wave polarization rotator. The two wavelengths exhibit an equal net gain in the laser rod, and the optimal spatial and temporal overlap can be achieved easily for optimal sum-frequency mixing. This configuration has a cavity length that is shorter than in previously used configurations, so it is suitable for operation at high output power and with a high repetition rate with a short thermally determined focal length.

© 2003 Optical Society of America

OCIS Codes
(140.3530) Lasers and laser optics : Lasers, neodymium
(140.3540) Lasers and laser optics : Lasers, Q-switched
(140.4780) Lasers and laser optics : Optical resonators

Citation
Wenxiong Lin, Shouqun Lin, and Jianhong Huang, "Cavity configuration for a Q-switched simultaneous dual-wavelength Nd:YAlO3 laser with the characteristic of polarization-dependent emission cross section," J. Opt. Soc. Am. B 20, 479-483 (2003)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-20-3-479

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