DocumentCode :
40133
Title :
Measuring the Optical Rotation Angle and Circular Dichroism of Anisotropic Optical Media Using a Heterodyne Polarimeter
Author :
Yu-Lung Lo ; Chia-Chi Liao ; Chang-Ye Li ; Bo-Sung Shin ; Sang-Mae Lee
Author_Institution :
Dept. of Mech. Eng., Nat. Cheng Kung Univ., Tainan, Taiwan
Volume :
31
Issue :
8
fYear :
2013
fDate :
15-Apr-13
Firstpage :
1255
Lastpage :
1262
Abstract :
A method is proposed for measuring the circular birefringence (CB) and circular dichroism (CD) properties of anisotropic optical samples using a heterodyne polarimeter and an electronic signal processing scheme. Importantly, the CB and CD properties of the sample are decoupled in the analytical model, and thus the accuracy of the measurement results is improved. Furthermore, the proposed method enables the CB and CD properties of the sample to be measured over the full range. The validity of the proposed method is demonstrated by measuring the optical rotation angle and circular diattenuation of pure CB and CD samples and a composite sample with both CB and CD properties. The standard deviations of the optical rotation angle and circular dichroism are found to be 3.07× 10-3 degrees and 9.3×10-4 for a hybrid CD/CB sample, respectively.
Keywords :
angular measurement; anisotropic media; birefringence; circular dichroism; optical information processing; optical rotation; optical variables measurement; polarimeters; analytical model; anisotropic optical media; anisotropic optical samples; circular birefringence properties measurement; circular diattenuation measurement; circular dichroism properties measurement; electronic signal processing; heterodyne polarimeter; optical rotation angle measurement; standard deviations; Adaptive optics; Geometrical optics; Optical filters; Optical mixing; Optical polarization; Optical retarders; Optical variables measurement; Circular birefringence; circular dichroism; optical rotation angle;
fLanguage :
English
Journal_Title :
Lightwave Technology, Journal of
Publisher :
ieee
ISSN :
0733-8724
Type :
jour
DOI :
10.1109/JLT.2013.2244849
Filename :
6428583
Link To Document :
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