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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 9, Iss. 10 — Oct. 10, 2011
  • pp: 101402–

Radially polarized and passively Q-switched Nd:YAG laser with composite structure of gain medium

Kegui Xia and Jianlang Li  »View Author Affiliations

Chinese Optics Letters, Vol. 9, Issue 10, pp. 101402- (2011)

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We report on a radially polarized and passively Q-switched Nd:YAG/Cr4+:YAG laser. The bulk Nd:YAG crystal is bonded with two undoped YAG crystal end caps to weaken the thermal lens e?ect and thus, enhance the extraction of stored energy in the bulk gain material. In the absence of active water cooling, the average laser power reaches 383 mW with 33% slope e±ciency, and the laser pulse achieves 1.457-W peak power, 18.9-ns duration, and 13.9-kHz repetition rate with 97.6% polarization purity.

© 2011 Chinese Optics Letters

OCIS Codes
(140.3460) Lasers and laser optics : Lasers
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3540) Lasers and laser optics : Lasers, Q-switched
(140.3538) Lasers and laser optics : Lasers, pulsed

Kegui Xia and Jianlang Li, "Radially polarized and passively Q-switched Nd:YAG laser with composite structure of gain medium," Chin. Opt. Lett. 9, 101402- (2011)

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