High-power heat-insensitive resonator for a diode-side-pumped Nd:Y3Al5O12 on high-gray-tracking-resistivity KTiOPO4 solid-state green laser

Xiu Li; Xiu-yan Chen; Hao-wei Chen; Yao Hou; Si-yuan Wang; Zhao-Yu Ren; Jin-tao Bai

doi:10.1117/1.2967537

1 August 2008 High-power heat-insensitive resonator for a diode-side-pumped Nd:Y₃Al₅O₁₂on high-gray-tracking-resistivity KTiOPO₄ solid-state green laser

Xiu Li, Xiu-yan Chen, Hao-wei Chen, Yao Hou, Si-yuan Wang, Zhao-Yu Ren, Jin-tao Bai

Author Affiliations +

Optical Engineering, Vol. 47, Issue 8, 084201 (August 2008). https://doi.org/10.1117/1.2967537

Abstract

We analyzed graphically the resonator stability versus the thermal focal length and the thermally induced birefringence, as well as the fundamental spot size on the laser rod for a green laser of Nd:Y₃Al₅_O12 (Na:YAG) on high-gray-tracking-resistivity KTiOPO₄ as a function of the pumping power for r- and θ-polarization beams. The spot size distribution of the second harmonic and the fundamental wave in the folded cavity are also presented. On the basis of the theoretical analysis, an average power of 185.21 W was obtained with an intracavity frequency-doubling two-diode-side-pumped Nd:YAG laser system with twin acoustic-optical modulators, and the pulse width was 180 ns at a repetition rate of 10 kHz when the pumping power of each laser diode module was 600 W. The optical-to-optical conversion efficiency was 15.4%, and the beam quality factors were M_x² =9.52, M_y²=9.86.

©(2008) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Xiu Li, Xiu-yan Chen, Hao-wei Chen, Yao Hou, Si-yuan Wang, Zhao-Yu Ren, and Jin-tao Bai "High-power heat-insensitive resonator for a diode-side-pumped Nd:Y₃Al₅O₁₂on high-gray-tracking-resistivity KTiOPO₄ solid-state green laser," Optical Engineering 47(8), 084201 (1 August 2008). https://doi.org/10.1117/1.2967537

Published: 1 August 2008

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