Study on birefringence effect of liquid crystal in communication
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1.
Key Laboratory of Optoelectric Information Science and Technology of Ministry of Education, College of Precision Instrument and Opto-electronics Engineering, Institute of Laser and Opto-electronics, Tianjin University, Tianjin 300072, China;
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2.
Network Center, Linyi Normal University, Linyi 276000, China
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Received Date:
2010-05-19
Accepted Date:
2010-07-07
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Abstract
In order to study the birefringence effect of liquid crystal in communication,the transmission of liquid crystal electric-dependent was analyzed by means of the polarized light interference method and tested with a UV-3101PC spectral photometer at room temperature 20℃.The electro-optic effect of liquid crystal was studied by altering voltages at wavelengths of 1300nm and 1550nm.The result showed that there was a high transmission bandwidth nearby 1550nm when the voltage was 2V of the liquid crystal,and there was a high transmission bandwidth nearby 1300nm when the voltage was 2.3V of the liquid crystal. The conclusion is helpful for designing of liquid crystal device in communication.
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