基于液晶的红外调制器

2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) Pub Date : 2018-09-01 DOI:10.1109/IRMMW-THZ.2018.8509943

U. Chodorow, R. Mazur, P. Morawiak, W. Piecek, P. Kula, P. Harmata, P. Martyniuk

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引用次数: 1

摘要

在这项工作中，液晶(LC)调制器被考虑。第一种是基于电控双折射(ECB)效应。采用专为红外应用而设计的液晶材料，制备了厚度为59 μm的传感器。LC材料在室温下呈中晶相，在中红外波段(3 ~ 5 μm)吸收谱带减小。另一种考虑的调制器是可以用作窄带滤波器的法布里-珀罗干涉仪。

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Infrared modulators based on liquid crystals

In this work liquid crystal (LC) modulators are considered. First one is based on electrically controlled birefringence (ECB) effect. A transducer with the thickness of 59 μm was prepared and liquid crystal material designed for infrared applications was used. The LC material shows mesomorphic phase in the room temperature and it has decreased absorption bands in the mid-infrared range (3 – 5 μm). The other considered modulator is a Fabry-Perot interferometer which can be used as a narrow band filter.

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来源期刊

2018 43rd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)

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