Second harmonic generation of Gaussian beam in single and twin crystal of barium metaborate medium

被引：0

作者：

Pang, Wanwen ^{[1
]}

Wang, Yan ^{[1
]}

Liu, Zhikun ^{[1
]}

Liu, Qi ^{[1
]}

Bai, Lihua ^{[1
]}

Zhang, Huifang ^{[1
]}

机构：

[1] Department of Physics, Shanghai University

来源：

Guangxue Xuebao/Acta Optica Sinica | 2012年 / 32卷 / 11期

关键词：

Crystal anisotropy; Frequency doubling; Gaussian beam; Nonlinear optics; Twin crystal;

D O I：

10.3788/AOS201232.1114002

中图分类号：

学科分类号：

摘要：

The coupled wave equations for frequency doubling of Gaussian beam propagating in birefringent uniaxial anisotropic medium are given. Based on them, specific physical models of single and twin crystal of barium metaborate (BBO) material have been established, and numerically computed results show the distribution of harmonic power flow, the electric field temporal distribution of harmonic at probe point on exit surface of the crystal, the output total energy, the output spectra of light and also the input angular spectra of beam. We make detailed analysis of various influences mainly from beam waist, medium structure and properties of material on second harmonic generation and give some reasonable explanations. The research results will benifit the study on nonlinear optical properties of uniaxial medium and optical crystal devices.

引用

共 13 条

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[12] Kong J., Wu B., Zhang Y., Lateral displacement of a Gaussian beam reflected from a grounded slab with negative permittivity and permeability, Appl. Phys. Lett., 80, 12, pp. 2084-2086, (2002)
[13] Zhou X., Wang Y., Wu H., Et al., High efficiency frequency-doubling of femtosecond laser pulses with simultaneously spatial walk-off and phase velocity compensation, Acta Optica Sinica, 29, 9, pp. 2630-2634, (2009)

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