Double-end-pumped acoustic-optically Q-switched intracavity-frequency-doubling red laser

Wan Qin; Chenlin Du; Shuangchen Ruan; Yuncai Wang

doi:10.1117/12.725183

11 January 2007 Double-end-pumped acoustic-optically q-switched intracavity-frequency-doubling red laser

Wan Qin, Chenlin Du, Shuangchen Ruan, Yuncai Wang

Proceedings Volume 6279, 27th International Congress on High-Speed Photography and Photonics; 62791C (2007) https://doi.org/10.1117/12.725183
Event: 27th International congress on High-Speed Photography and Photonics, 2006, Xi'an, China

Abstract

We report a high-power diode-double-end-pumped Q-switched Nd:YVO₄ red laser through intracavity frequency-doubling with a type-I critical phase-matched LBO crystal. At the repetition frequency of 26 kHz, the maximum quasi-continuous-wave (QCW) output power at 671 nm was measured to be 9.2 W at the incident pump power of 62.4 W with the corresponding optical conversion efficiency of 14.7%; the pulse width of about 106 ns; the pulse energy of 353.8μJ; the peak power of 3.34 kW, respectively. The perfect performance indicated that the double-end-pumped technique could effectively diminish the thermal lens effect, extend the range of the stable resonator region and achieve a high optical conversion efficiency to obtain a high output power.

Citation Download Citation

Wan Qin, Chenlin Du, Shuangchen Ruan, and Yuncai Wang "Double-end-pumped acoustic-optically q-switched intracavity-frequency-doubling red laser", Proc. SPIE 6279, 27th International Congress on High-Speed Photography and Photonics, 62791C (11 January 2007); https://doi.org/10.1117/12.725183

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