A novel orthogonally linearly polarized Nd:YVO4 laser

doi:10.1088/1674-1056/19/8/084202

中国物理B ›› 2010, Vol. 19 ›› Issue (8): 84202-084202.doi: 10.1088/1674-1056/19/8/084202

• CLASSICAL AREAS OF PHENOMENOLOGY • 上一篇下一篇

A novel orthogonally linearly polarized Nd:YVO₄ laser

闫兴鹏, 柳强, 陈海龙, 付星, 巩马理, 王东生

State Key Laboratory of Tribology, Center for Photonics and Electronics, Department of Precision Instruments, Tsinghua University, Beijing 100084, China

收稿日期:2010-01-28 修回日期:2010-03-16 出版日期:2010-08-15 发布日期:2010-08-15
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 50721004 and 60978032).

A novel orthogonally linearly polarized Nd:YVO₄ laser

Yan Xing-Peng(闫兴鹏), Liu Qiang(柳强)^†, Chen Hai-Long(陈海龙), Fu Xing(付星), Gong Ma-Li(巩马理), and Wang Dong-Sheng(王东生)

State Key Laboratory of Tribology, Center for Photonics and Electronics, Department of Precision Instruments, Tsinghua University, Beijing 100084, China

Received:2010-01-28 Revised:2010-03-16 Online:2010-08-15 Published:2010-08-15
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 50721004 and 60978032).

摘要/Abstract

摘要： We presented a novel orthogonally linearly polarized Nd:YVO₄ laser. Two pieces of a-cut grown-together composite YVO₄/Nd:YVO₄ crystals were placed in the resonant cavity with the c-axis of the two crystals orthogonally. The polarization and power performance of the orthogonally polarized laser were investigated. A 26.2-W orthogonally linearly polarized laser was obtained. The power ratio between the two orthogonally polarized lasers was varied with the pump power caused by the polarized mode coupling. The longitudinal modes competition and the corresponding variable optical beats were also observed from the orthogonally polarized laser. We also adjusted the crystals with their c-axis parallele to each other, and a 40.7-W linearly polarized TEM₀₀ laser was obtained, and the beam quality factors were M²_x=1.37 and M²_y=1.25.

Abstract: We presented a novel orthogonally linearly polarized Nd:YVO₄ laser. Two pieces of a-cut grown-together composite YVO₄/Nd:YVO₄ crystals were placed in the resonant cavity with the c-axis of the two crystals orthogonally. The polarization and power performance of the orthogonally polarized laser were investigated. A 26.2-W orthogonally linearly polarized laser was obtained. The power ratio between the two orthogonally polarized lasers was varied with the pump power caused by the polarized mode coupling. The longitudinal modes competition and the corresponding variable optical beats were also observed from the orthogonally polarized laser. We also adjusted the crystals with their c-axis parallele to each other, and a 40.7-W linearly polarized TEM₀₀ laser was obtained, and the beam quality factors were M_x²=1.37 and M_y²=1.25.

Key words: orthogonally linearly polarized laser, composite Nd:YVO₄, optical beat frequency

中图分类号: (Resonators, cavities, amplifiers, arrays, and rings)

42.60.Da

42.79.Gn (Optical waveguides and couplers) 42.81.Gs (Birefringence, polarization)

闫兴鹏, 柳强, 陈海龙, 付星, 巩马理, 王东生. A novel orthogonally linearly polarized Nd:YVO₄ laser[J]. 中国物理B, 2010, 19(8): 84202-084202.

Yan Xing-Peng(闫兴鹏), Liu Qiang(柳强), Chen Hai-Long(陈海龙), Fu Xing(付星), Gong Ma-Li(巩马理), and Wang Dong-Sheng(王东生). A novel orthogonally linearly polarized Nd:YVO₄ laser[J]. Chin. Phys. B, 2010, 19(8): 84202-084202.

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A novel orthogonally linearly polarized Nd:YVO₄ laser

A novel orthogonally linearly polarized Nd:YVO₄ laser

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