Multi-Wavelength Conversion Based on Single Wavelength Results in Phase Retardation Measurement

被引:0
|
作者
陈文学 [1 ,2 ]
张书练 [2 ]
龙兴武 [1 ]
机构
[1] Department of Opto-electronic Engineering,College of Opto-electronic Science and Engineering,National Universityof Defense Technology
[2] The State Key Lab of Precision Measurement Technology and Instrument,Department of Precision Instruments,Tsinghua
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中图分类号
O439 [应用光学];
学科分类号
摘要
We introduce an instrument for single wavelength measurement of phase retardation based on the laser feedback phenomenon.A method of multi-wavelength conversion for this instrument is proposed and the conversion results are analyzed.System calibration is used to eliminate the conversion error.The experimental results show that the maximum error after conversion is 0.26°.Through the present work,the application of laser feedback instrument for single wavelength measurement of a wave plate is expanded to the multi-wavelength range.This will expand the application area of the instruments.
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页码:64 / 66
页数:3
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