Development of liquid-crystalline materials for IR sensing

被引：0
|
作者：
Crandall, KA
Taylor, SB
Kakarla, UK
Naciri, J
Shashidhar, R
Geer, RE
机构：
来源：
LIQUID CRYSTAL MATERIALS, DEVICES, AND APPLICATIONS V | 1997年 / 3015卷
关键词：
pyroelectricity; liquid crystals; IR sensors; focal plane arrays;
D O I：
10.1117/12.271385
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The pyroelectric properties of three chiral smectic liquid crystalline materials have been investigated. The magnitude of the pyroelectric coefficient for in two of these compounds is very high exceeding 200 nC/cm2K. A mixture containing one of these compounds exhibits a high pyroelectric coefficient over a temperature range that is attractive for thermal (or IR) sensing applications. The relevant figure of merit of these materials as elements for IR sensors is discussed in comparison to those that are currently used in sensing devices.
引用
收藏
页码：105 / 111
页数：7
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