Understanding the NEΔT of tactical infrared focal plane arrays

被引：7
|
作者：
Norton, P. [1 ]
机构：
[1] USA, Night Vis & Elect Sensors Directorate, Ft Belvoir, VA 22060 USA
来源：
OPTO-ELECTRONICS REVIEW | 2012年 / 20卷 / 03期
关键词：
MWIR; LWIR; detectors; infrared;
D O I：
10.2478/s11772-012-0039-5
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
NE Delta T is the commonly used figure-of-merit for infrared-imaging systems using focal plane arrays (FPAs). This paper discusses an intuitive approach to understanding what determines this value in the majority of MWIR and LWIR broad-band applications, namely, the available charge storage capacity of the FPA readout. This conclusion is a consequence of the negligible amount of dark current compared to photo-current for modern detector technology.
引用
收藏
页码：275 / 278
页数：4
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