Theoretical Analysis of the Residual Amplitude Modulation of Frequency Modulation Strong Absorption Spectroscopy

被引：0
|
作者：
Ma Wei-guang [1 ]
Li Zhi-xin [1 ]
Tan Wei [1 ]
Fu Xiao-fang [1 ]
Zhao Gang [1 ]
Dong Lei [1 ]
Zhang Lei [1 ]
Yin Wang-bao [1 ]
Jia Suo-tang [1 ]
机构：
[1] Shanxi Univ, Laser Spect Lab, State Key Lab Quantum Opt & Quantum Opt Devices, Taiyuan 030006, Peoples R China
来源：
SPECTROSCOPY AND SPECTRAL ANALYSIS | 2014年 / 34卷 / 02期
关键词：
Frequency modulation spectroscopy; Residual amplitude modulation; Electro-optic modulator; Polarization maintaining fiber; Temperature; ELEVATED-TEMPERATURES; RING CAVITY; NICE-OHMS; LASER;
D O I：
10.3964/j.issn.1000-0593(2014)02-0472-05
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
In the present paper a phase controllable waveplate model was applied to the analysis of polarization maintaining fiber. Under the temperatures of 24 degrees C and 26. 8 degrees C there is no residual amplitude modulation (RAM) existing in frequency modulation spectroscopy (FMS) when performing the measurement of fiber temperature dependence on the RAM. However, the temperature setting can not reduce the background long term drift and a servo feedback suggested by N. C. Wong and J. L. Hall can be used to actively reduce the RAM. The error signal for feedback is from the dispersion background signal of FMS without gas sample. The variation of RAM induced by the temperature changing of PM fiber is the main reason for the long term background drift of dispersion signal of FMS.
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收藏
页码：472 / 476
页数：5
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