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Rev Sci Instrum. 2013 Aug;84(8):083106. doi: 10.1063/1.4818668.

Dual-band infrared remote sensing system with combined long-wave infrared imaging and mid-wave infrared spectral analysis.

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1
Department of Mechanical and Electrical Engineering, Xiamen University, Xiamen 361005, China.

Abstract

We present a new optical system for infrared (IR) image-spectrum integration remote sensing. The purpose to develop this instrument is to find the key spectral characteristics of typical hot target and to explore a new intelligence fusion method for the recognition. When mounted on a two-dimensional rotation stage, it can track the suspected target by image processing, and then get its spectrum to do recognition. It is a dual-band system with long-wave infrared (LWIR) imaging and mid-wave infrared (MWIR) spectrum. An IR dichroic beamsplitter is used to divide wideband incident infrared into LWIR and MWIR. Compared to traditional infrared combined imaging and spectral-analysis instruments, it yields higher sensitivity for measuring the IR spectrum. The sensors for imaging and spectrum detection are separate, so high spatial resolution, frame rate, and spectrum resolution can all be obtained simultaneously.

PMID:
24007052
DOI:
10.1063/1.4818668
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