A 5 MHz beat frequency He-Ne laser equipped with bireflectance cavity mirror

被引：15
|
作者：
Gao, S
Lin, DJ
Yin, CY [1 ]
Guo, JH
机构：
[1] Tsing Hua Univ, State Key Lab Precis Measurement Technol & Instrum, Dept Precis Instruments & Mechanol, Beijing 100084, Peoples R China
[2] Tsing Hua Univ, Dept Appl Phys, Beijing 100084, Peoples R China
来源：
OPTICS AND LASER TECHNOLOGY | 2001年 / 33卷 / 05期
基金：
中国国家自然科学基金;
关键词：
bireflectance; dual-frequency laser; transverse Zeeman effect; polarization property;
D O I：
10.1016/S0030-3992(01)00039-1
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A He-Ne dual-frequency laser equipped with a bireflectance cavity mirror is described. It is based on the principle that when the incident light is perpendicular to the bireflectance cavity mirror, the phase delays of the reflective light along the mirror's fast and slow axes are different because of the photoelastic effect. The mode coupling is reduced by utilizing transverse Zeeman effect so that two linear and orthogonal polarization components with 5 MHz beat frequency are generated. The effect of the magnetic field's direction on the dual-frequency as well as the polarization property of the laser are investigated by experiments. After stabilizing the frequency, the laser is calibrated with the iodine frequency stabilization laser of Chinese National Institute of Metrology (CNIM). Experimental results indicate that the expanded uncertainty of wavelength in vacuum is 1x10(-7) (k = 3) with a frequency stabilization of 6.6x10(-10) (sampled in 1000 s). (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：335 / 339
页数：5
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