精确标定光弹调制器的新方法
文献类型:期刊论文
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作者 | 曾爱军 ; 王向朝 ; 李代林 ; 黄立华 ; 董作人 |
刊名 | 光学学报
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出版日期 | 2005 |
卷号 | 25期号:6页码:799 |
关键词 | 偏振 polarization 光弹调制器 photoelastic modulator 标定 calibration 峰值延迟量 peak retardation 贝塞尔函数 Bessel function |
ISSN号 | 0253-2239 |
其他题名 | Method to calibrate accurately a photoelastic modulator |
中文摘要 | 针对现有光弹调制器标定方法的不足,提出了一种精确标定光弹调制器的新方法。首先利用起偏器、波片、光弹调制器和检偏器构成标定光路.通过寻找探测信号基频分量的极大值进行粗略标定,使光弹调制器的峰值延迟量处在1.841rad附近。然后撤走波片形成光弹凋制器的精确标定光路.在检偏器旋转90°前后获得探测信号的直流分量和二次谐波分量。最后利用这两种探测信号的直流分量和二次谐波分量精确地计算出光弹调制器的峰值延迟量。实验验让了此光掸调制器标定方法,实验结果表明其标定误差仅为0.7%。在此光掸凋制器标定方法中.光弹调制器; A new method to calibrate accurately a photoelastic modulator is proposed to compensate for the shortcomings of current calibration methods. Firstly, the photoelastic modulator is calibrated roughly to locate its peak retardation around 1.841 rad using the fundamental component's maximum of the detection signal in an optical system for calibration which is composed of polarizer, waveplate, photoelastic modulator and analyzer. Then the waveplate is taken away to form an optical system for accurate calibration. Before and after the analyzer is rotated, the direct current and secondary harmonic components of the detection signals are obtained to calculate the peak retardation of the photoelastic modulator. The accurate calibration for the photoelastic modulator is realized and its precision is independent of the incident intensity and the circuit parameters. The calibration method was verified by experiments. The calibrated error of the method is less than 0.7%. The peak retardation of the photoelastic modulator is small in the calibration, so the photoelastic modulator can be calibrated in the long-wave band of its spectral range using this calibration method. |
分类号 | O436.3 |
收录类别 | ei |
语种 | 中文 |
公开日期 | 2009-09-18 |
源URL | [http://ir.siom.ac.cn/handle/181231/1696] ![]() |
专题 | 上海光学精密机械研究所_信息光学开放实验室 |
推荐引用方式 GB/T 7714 | 曾爱军,王向朝,李代林,等. 精确标定光弹调制器的新方法, Method to calibrate accurately a photoelastic modulator[J]. 光学学报,2005,25(6):799, 802. |
APA | 曾爱军,王向朝,李代林,黄立华,&董作人.(2005).精确标定光弹调制器的新方法.光学学报,25(6),799. |
MLA | 曾爱军,et al."精确标定光弹调制器的新方法".光学学报 25.6(2005):799. |
入库方式: OAI收割
来源:上海光学精密机械研究所
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