Double-band infrared detector assembly

An infrared detector and dual-band technology, applied in the field of photoelectric detection, can solve the problems of complex preparation process, volume, weight, high power consumption, and difficulty in realization, and achieve the effect of reducing the difficulty of preparation

Inactive Publication Date: 2016-09-07
11TH RES INST OF CHINA ELECTRONICS TECH GROUP CORP
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Problems solved by technology

However, the system structure of the first method is relatively complicated, and the volume, weight, and power consumpti

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Embodiment Construction

[0020] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, where the accompanying drawings constitute a part of the application and are used together with the embodiments of the present invention to explain the principle of the present invention. For the purpose of clarity and simplification, when it may obscure the subject of the present invention, detailed descriptions of known functions and structures in the devices described herein will be omitted.

[0021] The present invention provides a dual-band infrared detector assembly. Two infrared detector chips with different response bands are integrated into a Dewar, thereby obtaining spatially completely synchronized infrared radiation information of two-band targets. The background is effectively suppressed, which significantly reduces the false alarm rate and greatly improves the target recognition ability. The chips used in the present invention are ...

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Abstract

The invention discloses a double-band infrared detector assembly. According to the invention, two infrared detector chips with different response bands are integrated in one Dewar, thereby obtaining the completely synchronous infrared radiation information of a target at two bands in a space, achieving the effective inhibition of a complex background, remarkably reducing the false alarm rate, and greatly improving the target recognition capability.

Description

Technical field [0001] The present invention relates to the technical field of photoelectric detection, in particular to a dual-band infrared detector assembly. Background technique [0002] Compared with monochromatic infrared detectors, dual-band detectors can better eliminate false signals and obtain more meaningful target information. In early warning, tracking and precision guidance systems, complex backgrounds can be suppressed, significantly reducing false alarm rates and greatly improving target recognition capabilities. At present, there are two main ways to achieve two-band infrared detection: one is to use two detector components of different wavelengths to share an optical system, and the other is to use a stacked two-color infrared detector that can respond to two wavelengths. However, the system structure of the first method is relatively complicated, and the volume, weight, and power consumption are relatively large. The preparation process of the second method is...

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Application Information

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IPC IPC(8): G01J5/00
CPCG01J5/00G01J2005/0077
Inventor 王春生东海杰张磊鲍哲博
Owner 11TH RES INST OF CHINA ELECTRONICS TECH GROUP CORP
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