Design of side-pumped Nd:YAG lasers

Yuan Liu; Gaozhan Fang; Xiaoyu Ma; Jianwei Xiao

doi:10.1117/12.481763

5 September 2002 Design of side-pumped Nd:YAG lasers

Yuan Liu, Gaozhan Fang, Xiaoyu Ma, Jianwei Xiao

Proceedings Volume 4914, High-Power Lasers and Applications II; (2002) https://doi.org/10.1117/12.481763
Event: Photonics Asia, 2002, Shanghai, China

Abstract

Design of the typical laser diode side-pumped Nd:YAG rod system has been discussed using the conventional ray tracing method in this paper. Firstly introduce two basic matrices, refractional and translational matrix, described the transmission of nonparaxial light ray in the medium without concerning the absorption of light. And then, using those matrices, analyze the distribution of pump light in the crystal respectively under the condition of directly pumped system and indirectly pumped system with a cylindrical quartz rod as focusing lens. From the result of simulation, we compare the advantage and disadvantage of the two pumped method, and mainly consider how to select the diameter of the focus lens and cooling tube, indicate the effect of deionized water and cooling tube have on the pump light distribution in the active material. At last, make some conclusions about the side-pumped Nd:YAG laser system.

Citation Download Citation

Yuan Liu, Gaozhan Fang, Xiaoyu Ma, and Jianwei Xiao "Design of side-pumped Nd:YAG lasers", Proc. SPIE 4914, High-Power Lasers and Applications II, (5 September 2002); https://doi.org/10.1117/12.481763

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KEYWORDS

Nd:YAG lasers

Crystals

Semiconductor lasers

Ray tracing

Refraction

Water

Diodes

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