Multiband flexible infrared optical system

Abstract

The present invention provides a multiband flexible infrared optical system which belongs to an infrared optical system. The multiband flexible infrared optical system settles the following problems in the existing double-band optical system: narrow spectrum measurement wave band, limited optical path layout and large volume and large weight. The multiband flexible infrared optical system comprises an infrared scanning mirror, a multiband infrared lens, an optical path switching device, an optical path switching controller, an FPA interface and an optical fiber interface. The infrared scanning mirror can reflect 2-14 mu m infrared light in direction directions for coming into the multiband infrared lens. The multiband infrared lens is used for focusing the incident infrared light. The optical path switching device is arranged behind the multiband infrared lens and has a movable or rotatable structure. Furthermore the optical path switching device can perform beam splitting or time division modulation on the focused infrared light. The multiband flexible infrared optical system of the invention has advantages of: small volume, high integration degree, convenient use and high flexibility. The multiband flexible infrared optical system can be integrated in an automatic target identification system based on association of infrared image and the spectrum for realizing visual field scanning, target identifying and tracking. The multiband flexible infrared optical system is applied for infrared remote sensing detection.

Description

technical field [0001] The invention belongs to the field of infrared remote sensing optics, and more specifically relates to a multi-band smart infrared optical system. Background technique [0002] In recent years, the optical remote sensing detection technology has achieved rapid development, and various optical remote sensing devices have emerged as the times require, and their technical performance has also been improved and perfected. The automatic target recognition system of infrared image and spectral correlation is one of them. As an important component of the automatic target recognition system associated with infrared images and spectra, it plays an important role in improving the detection range and recognition ability of the system. With the rapid development of remote sensing detection technology, simultaneous spectral detection of radiation in two bands has become very important, and the corresponding optical system and its design requirements have grown unpr...

AI Technical Summary

Problems solved by technology

[0005] In view of the above defects or improvement needs of the prior art, the present invention provides a multi-band smart infrared optical system, the purpose of which is to solve the problem that the existing dual-band optical system cannot simultaneously form a spectrum of long-wave infrared light, the optical path layout is limited, and the volume and weight are large. The problem

This solves the technical problems of the target automatic identification system based on infrared image and spectral correlation, such as narrow target spectral identifiable band, low integration, low dexterity and portability, etc.

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