Infrared imaging detection chip integrated with liquid crystal optically-controlled array and area array photosensitive structure

Abstract

The invention discloses an infrared imaging detection chip integrated with a liquid crystal optically-controlled array and area array photosensitive structure. The infrared imaging detection chip comprises a ceramic shell, a liquid-crystal-based infrared imaging detection framework and a metal heat-dissipation plate, wherein the metal heat-dissipation plate is arranged at the rear part of the ceramic shell and fixedly connected to the rear part of the ceramic shell and used for dissipating heat of the chip; the liquid-crystal-based infrared imaging detection framework is arranged in the ceramic shell and comprises a drive control and image pre-processing module, an area array uncooled infrared detector and an area array electrically-controlled liquid crystal micro lens, which are arranged coaxially in sequence; each unit of the electrically-controlled liquid crystal micro lenses corresponds to an infrared detector sub-array consisting of a plurality of uncooled infrared detectors arranged in sequence; and each of the infrared detector sub-arrays has the same number and the same arrangement manner of the detectors. The infrared imaging detection chip integrated with the liquid crystal optically-controlled array and area array photosensitive structure has the characteristics of compact structure, high infrared imaging detection efficiency and good environmental suitability, capability of covering a plurality of infrared spectrum sections, and liquid crystal optically-controlled array-based imaging interference suppression and error correction for rapidly controlling light can be easily coupled with other optical / photoelectrical / mechanical structures.

Description

Technical field [0001] The invention belongs to the technical field of infrared imaging detection, and more specifically, relates to an infrared imaging detection chip integrating a liquid crystal light control array and an area array photosensitive structure. Background technique [0002] So far, people have continuously improved, upgraded and developed new arrayed infrared photosensitive structures, such as increasing the size of photosensitive arrays, reducing the size of photosensitive structures, improving the response sensitivity of photosensitive materials, increasing the fill factor of photosensitive arrays, and reducing noise. , So that the infrared imaging detection efficiency has been improved and enhanced. The array scales of commercial infrared CCD and CMOS detectors both exceed 10 million and million pixels respectively. The performance indicators of area array uncooled infrared detectors are also rapidly approaching those of refrigerated devices. Nanotube-based p...

AI Technical Summary

Problems solved by technology

The above-mentioned defects cannot disappear automatically with the improvement of the performance index of the photosensitive equipment due to the reason of the detection structure, and the image information processing can only perform limited transformation or correction on the apparent image data

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