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Self-polarization emission based on coherent combination of intracavity eigenmodes in Nd:YAG/Cr4+:YAG lasers [Early Posting]

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摘要

The behavior of self-polarization emission in Nd:YAG/Cr4+:YAG lasers has been proved in some cases, however, the degree and direction of polarization were often sensitive and unstable. We experimentally observed different beam profiles versus the angle of polarizer relative to the polarization direction of laser. In order to explore the polarization mechanism, the dynamics of intracavity polarized eigenmodes were analyzed theoretically. Simulative results were well consistent with our experimental observations. It indicated that the linearly self-polarization emission was a composite state rather than intrinsic state. This study contributed to the improvement of the polarization stability in Nd:YAG/Cr4+:YAG passively Q-switched lasers.

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作者单位:

    Chinese Academy of Sciences Fujian Institute of Research on the Structure of Matter
    Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China
    Fujian Institute of Research on the Structure of Matter
    Chinese Academy of Sciences
    中国科学院福建物质结构研究所

引用该论文

Tang Kaifei,Liao Wenbin,Lin Da,Li Bingxuan,chen weidong,Zhang Ge. Self-polarization emission based on coherent combination of intracavity eigenmodes in Nd:YAG/Cr4+:YAG lasers[J].Chinese Optics Letters,2021,19(2):02.