A novel orthogonally linearly polarized Nd:YVO4 laser

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

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.

Keywords: orthogonally linearly polarized laser composite Nd:YVO₄ optical beat frequency

Received: 28 January 2010
Revised: 16 March 2010
Accepted manuscript online:

PACS:	42.60.Da	(Resonators, cavities, amplifiers, arrays, and rings)
	42.79.Gn	(Optical waveguides and couplers)
	42.81.Gs	(Birefringence, polarization)

Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 50721004 and 60978032).

Cite this article:

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 2010 Chin. Phys. B 19 084202

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A novel orthogonally linearly polarized Nd:YVO₄ laser