High-power diode-pumped passively Q-switched Nd:S-VAP laser with Cr4+:YAG crystal saturable absorber

Deyuan Shen; Ding Yuan Tang; Siu Chung Tam; Ken-ichi Ueda

doi:10.1117/12.446630

29 October 2001 High-power diode-pumped passively Q-switched Nd:S-VAP laser with Cr⁴⁺:YAG crystal saturable absorber

Deyuan Shen, Ding Yuan Tang, Siu Chung Tam, Ken-ichi Ueda

Proceedings Volume 4595, Photonic Systems and Applications; (2001) https://doi.org/10.1117/12.446630
Event: International Symposium on Photonics and Applications, 2001, Singapore, Singapore

Abstract

Neodymium-doped strontium fluoro-vanadate is a favorable laser material for diode-pumped, compact, and passively Q-switched lasers. We have constructed a high power passively Q-switched Nd:S-VAP laser with a fiber coupled 10 W laser diode pumping. To avoid severe thermal deposition and thermal induced crystal fracture, several measures have been taken in the laser design. With a Cr⁴⁺:YAG of initial transmission of 80%, stable laser pulses of duration of 3 ns, energy of 45 micro-joule and repetition rate of 23 kHz are obtained at an incident pump power of 7.75 W.

Citation Download Citation

Deyuan Shen, Ding Yuan Tang, Siu Chung Tam, and Ken-ichi Ueda "High-power diode-pumped passively Q-switched Nd:S-VAP laser with Cr⁴⁺:YAG crystal saturable absorber", Proc. SPIE 4595, Photonic Systems and Applications, (29 October 2001); https://doi.org/10.1117/12.446630

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KEYWORDS

YAG lasers

Chromium

Laser crystals

Q switched lasers

Absorption

Semiconductor lasers

Crystals

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