Mini infrared imaging spectrometer and imaging method thereof

An infrared imaging spectrometer and infrared spectroscopy technology, applied in the field of infrared spectroscopy imaging, can solve the problems of large volume, high cost, poor stability, etc., and achieve the effects of high spectral resolution, low cost, and high stability

Active Publication Date: 2016-10-12
HUBEI JIUZHIYANG INFRARED SYST CO LTD
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Problems solved by technology

[0005] In view of the shortcomings of traditional infrared imaging spectrometers such as high cost, large volume, and

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  • Mini infrared imaging spectrometer and imaging method thereof

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Embodiment Construction

[0016] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0017] refer to figure 1 As shown, the invention discloses a miniature infrared imaging spectrometer, which includes a slit scanning infrared spectroscopy imaging system and electrical components.

[0018] The slit-scanning infrared spectral imaging system includes a pre-optical system 1 arranged at the front end of the system along the optical axis direction, a slit 2, a spectral dispersion system 3, and a digital microlens array sequentially arranged on the rear side of the pre-optical system 1 4 and the spectral reconstruction system 5, the front optical system 1 is used to focus the infrared radiation of the scene on the plane where the slit 2 is located, the slit 2 is used to selectively pass through the line field of view at different horizontal positions, and the spectral dispersion The system 3 is used to disperse the infrared radiation light in the ...

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Abstract

The invention discloses a mini infrared imaging spectrometer which comprises a slit scanning infrared spectral imaging system and an electrical assembly. The slit scanning infrared spectral imaging system comprises a prepositioned optical system, a slit, a spectral dispersion system, a digital microlens array and a spectrum reconstruction system. The electrical assembly comprises an infrared detector, a microlens coding and decoding system, a slit motion control system and an image processing system. An imaging method of the spectrometer is also disclosed. According to the invention, the compact prepositioned optical system realizes focusing of infrared radiation energy of an object scene; an accurate slit scanning technology is used to scan the view field of each line of the scene, so that imaging is carried out via one narrowband in the scene each time; a spectral scattering system, the digital microlens array, the spectrum reconstruction system and the infrared detector are used to realize spectral imaging of the line view field; and the resolution is high, the structure is compact, the reliability is high, the cost is relatively low and the application range is wide.

Description

technical field [0001] The invention belongs to the technical field of infrared spectrum imaging, and in particular relates to a miniature slit scanning infrared imaging spectrometer and an imaging method thereof. Background technique [0002] Imaging spectrometers are widely used in the detection, imaging, and analysis of special chemicals due to their "spectrum-in-one" feature. [0003] Usually, these special chemicals have radiation / absorption characteristics in the infrared radiation band, and using imaging spectrometers to collect these spectral characteristics can realize the classification and identification of chemical substances. [0004] However, the current imaging spectrometer has high cost, which restricts the application of imaging spectrometer to a great extent. Contents of the invention [0005] In view of the disadvantages of traditional infrared imaging spectrometers such as high cost, large volume and poor stability, one of the purposes of the present i...

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Application Information

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IPC IPC(8): G01J3/28
CPCG01J3/2823
Inventor 张智杰王晨晟刘兴超赵坤雷波余徽
Owner HUBEI JIUZHIYANG INFRARED SYST CO LTD
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