System design of intensity modulation spectropolarimeter

被引：4
|
作者：
Song Z.-P. [1 ,2 ]
Hong J. [1 ]
Qiao Y.-L. [1 ]
机构：
[1] Key Laboratory of General Optical Calibration and Characterization, Chinese Academy of Sciences
[2] School of Physics and Material Science, Anhui University
来源：
Guangxue Jingmi Gongcheng/Optics and Precision Engineering | 2010年 / 18卷 / 11期
关键词：
Demodulation; Intensity modulation; Optical measurement; Spectropolarimeter;
D O I：
10.3788/OPE.20101811.2325
中图分类号：
学科分类号：
摘要：
The parameter design of a Intensity Modulation Spectropolarimeter(IMS) was studied and analyzed in this paper. The basic concept and structure of the IMS were described and the dependence on modulator design, spectrometer selection and system performance was analyzed. By taking an integrated system design for an example, the IMS experimental system was established in the laboratory, the basic concepts and characteristics of the technique were verified and the polarization spectra from a typical light source were also tested. Experimental results show that the polarized degree of the light from a tungsten-halogen lamp collimator is less than 10%, but it is about 100% when the light is polarized by a polarizer in the spectral range of 525-700 nm. These results are coincident with the theoretical results wel1,which verifies the feasibility of method that spectropolarimeter can be realized based on the intensity modulation.
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页码：2325 / 2331
页数：6
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