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Two-waveband infrared optical system

An infrared optical system and infrared optical lens technology, which is applied in the field of infrared remote sensing optical systems, can solve the problems of optical path layout limitation and large equipment volume of a map-integration device, and achieve the effects of optimizing space layout, small volume, and improving imaging quality.

Inactive Publication Date: 2010-06-16
HUAZHONG UNIV OF SCI & TECH
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  • Abstract
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Problems solved by technology

[0006] The invention provides a dual-band infrared optical system, which solves the problem that the optical path layout of the existing image-spectrum integration device is limited and the entire device is bulky

Method used

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Embodiment Construction

[0031] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0032] Such as figure 1 As shown, the present invention includes a scanning rotating mirror 1, a dual-band infrared optical lens, a spectrometer 8, an infrared focal plane detector 9 and a signal processor 10;

[0033] The dual-band infrared optical lens is composed of an infrared window 2, a beam splitter 3, a medium-wave lens 4, and a long-wave lens 5. The infrared window 2 is set horizontally. Below the infrared window is a beam splitter 3 at an angle of 45° to the horizontal. The vertical optical path below the beam splitter is A long-wave lens 5 is provided, and a medium-wave lens 4 is provided on the horizontal optical path on one side of the beam splitter;

[0034] The scanning rotating mirror 1 is located above the infrared window 2 of the dual-band infrared optical lens, forming 45° with the vertical optical path, and the deflection range is ±...

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Abstract

The invention provides a two-waveband infrared optical system, belongs to an infrared remote sensing optical system, and solves the problems of limited optical path layout of the conventional map-integrated device and large volume of the entire device. The system comprises a scanning rotating mirror, a two-waveband infrared optical lens, a spectrometer, an infrared focal plane detector and a signal processor, wherein the two-waveband infrared optical lens consists of an infrared window, a beam splitter, a medium wave lens and a long wave lens; the scanning rotating mirror is positioned above the infrared window; an infrared optical fiber transmits infrared light output by the medium wave lens to the spectrometer; the infrared focal plane detector is positioned on an output optical axis of the long wave lens; and output signals of the spectrometer and the infrared focal plane detector are transmitted to the signal processor through a transmission cable. The system has small volume, high integration level, and convenient and flexible use, can realize automatic scanning, identification and track of a target by observing two wavebands of external scenery, and can be effectively applied to military or civil fields of missile infrared guidance, atmospheric pollution, remote measurement of poisonous gas and the like.

Description

technical field [0001] The invention belongs to an infrared remote sensing optical system, in particular to a dual-band coaxial infrared optical system, which can be used as a front-end optical component of a target identification and tracking device. Background technique [0002] In recent years, the optical remote sensing technology has achieved rapid development, and various optical remote sensing devices have emerged as the times require, and their technical performance has also been rapidly improved and perfected. Imaging spectroscopy equipment is one of them. All objects with a temperature higher than absolute zero can produce infrared radiation. The higher the temperature, the greater the energy radiated, and any two different substances will never have exactly the same spectral characteristic curve, that is to say, the spectrum of the substance The characteristic curve is unique. Combining the material infrared spectral resolution and object infrared imaging spatial...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S17/88G01S17/89G01N21/45G02B26/10G02B13/00G02B1/10
Inventor 方正张天序陈彦山张新宇易新建王泽孙协昌李成汪小平桑农
Owner HUAZHONG UNIV OF SCI & TECH
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