Birefraction of the LiNbO3 crystal in the infrared band

被引：1

作者：

Wang, T. B. ^{[1
]}

Xie, H. Y. ^{[1
]}

Xu, W. J. ^{[1
]}

机构：

[1] Nanjing Univ Informat Sci & Technol, Coll Math & Phys, Nanjing 210044, Jiangsu, Peoples R China

来源：

OPTIK | 2012年 / 123卷 / 02期

关键词：

Birefraction; Interference; Lithium niobate; WAVE-GUIDE;

D O I：

10.1016/j.ijleo.2011.03.016

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We proposed a spectrum method to determine birefraction of the sample. When the infrared incident light transmits in the birefraction direction of the cube crystal, because of the birefraction of the sample, the transmit spectrum appears interference fringes. The equation Delta n = 1/[D(d upsilon/dm)] shows the relationship between the birefraction and the wave-number, with the interference-number of crystals in the infrared band at room temperature. Via the infrared transmitting along the x-axis of cube lithium niobate crystal, the interference fringes were found. By the fitted polynomial method, the relationship of the birefraction and the wave-number or wavelength of the lithium niobate crystal be educed, which is, Delta n =0.4149 - 9.00174 x 10(-5)upsilon+5.64347 x 10(-9)upsilon(2),or n=0.05366 - 5.20334 x 10(-5)lambda + 3.99694 x 10(-8)lambda(2). (C) 2011 Elsevier GmbH. All rights reserved.

引用

页码：181 / 184

页数：4

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