Generation of a radially polarized Nd:YVO<sub>4</sub> laser beam

Kazuhiro Yonezawa; Yuichi Kozawa; Takahiro Nakamura; Shunichi Sato

doi:10.1117/12.755495

1 August 2007 Generation of a radially polarized Nd:YVO₄ laser beam

Kazuhiro Yonezawa, Yuichi Kozawa, Takahiro Nakamura, Shunichi Sato

Proceedings Volume 6785, ROMOPTO 2006: Eighth Conference on Optics; 678507 (2007) https://doi.org/10.1117/12.755495
Event: ROMOPTO 2006: Eighth Conference on Optics, 2006, Sibiu, Romania

Abstract

Generation of a radially polarized laser beam was demonstrated by using birefringence of a c-cut Nd:YVO₄ crystal. The c-axis of the Nd:YVO₄ laser crystal was parallel to the optical axis of the laser cavity. High power, single emitter semiconductor lasers were used for the pumping of the laser crystal in the side-pumping configuration. By adjusting the cavity length, only the radially polarized light corresponding to extraordinary light in the Nd:YVO₄ crystal was selectively enforced to oscillate because the refractive index for the ordinary light differs from that for the extraordinary light. Good stability of the output power against the mechanical noise was achieved owing to the outstanding simplicity of the cavity configuration.

Citation Download Citation

Kazuhiro Yonezawa, Yuichi Kozawa, Takahiro Nakamura, and Shunichi Sato "Generation of a radially polarized Nd:YVO₄ laser beam", Proc. SPIE 6785, ROMOPTO 2006: Eighth Conference on Optics, 678507 (1 August 2007); https://doi.org/10.1117/12.755495

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