Laser diode pumped Nd:YVO<sub>4</sub> laser generating quasi-non-diffracting green beam by passive axicon

Wang Tao; Du Tuanjie; Wu Fengtie

doi:10.3788/HPLPB201426.011007

Volume 26 Issue 01

Jan. 2014

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Wang Tao, Du Tuanjie, Wu Fengtie. Laser diode pumped Nd:YVO4 laser generating quasi-non-diffracting green beam by passive axicon[J]. High Power Laser and Particle Beams, 2014, 26: 011007. doi: 10.3788/HPLPB201426.011007

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Wang Tao, Du Tuanjie, Wu Fengtie. Laser diode pumped Nd:YVO₄ laser generating quasi-non-diffracting green beam by passive axicon[J]. High Power Laser and Particle Beams, 2014, 26: 011007. doi: 10.3788/HPLPB201426.011007

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Laser diode pumped Nd:YVO₄ laser generating quasi-non-diffracting green beam by passive axicon

doi: 10.3788/HPLPB201426.011007

1.
College of Information Science and Engineering,Huaqiao University,Fujian Key Laboratory of Optical Beam Transmission and Transformation,Xiamen 361021,China

Received Date: 2013-04-15
Rev Recd Date: 2013-09-05
Publish Date: 2014-01-15

Abstract

Abstract

Laser diode pumped Nd:YVO4 laser is used as light source. Green beam whose wavelength is 532 nm is generated by frequency doubling through KTP. The quasi-non-diffracting Bessel green beam is obtained by axicon. The distribution of the green beam light field is deduced. The intensity distribution along the propagation distance and the cross-section intensity distribution of the quasi-non-diffracting Bessel green beam are simulated. In experiment, the cross-section light field distribution of Bessel green beam at different distance from axicon are recorded and the propagation distance of non-diffracting beam and the diameter of center light spot are measured. The experimental data agree well with the theoretical simulation. The experimental results demonstrate the quasi-non-diffracting Bessel green beam has good quality and is appropriate for applying.
- laser diode,
- Bessel beam,
- frequency doubling,
- axicon

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