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Broadband close shot ultraviolet imaging spectrum device

An ultraviolet imaging, wide-band technology, applied in the direction of interference spectroscopy, color/spectral characteristic measurement, spectrum investigation, etc., can solve the problem of not being able to detect the target signal, to improve the quality of interference fringes, accurate spectral data, sensitive detection Effect

Inactive Publication Date: 2014-07-23
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a wide-band close-range ultraviolet imaging spectroscopic device to solve the problem that the ultraviolet imaging spectroscopic device in the prior art cannot detect target signals sensitively in a wide ultraviolet spectral range

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Embodiment Construction

[0016] The present invention provides a wide-band close-range ultraviolet imaging spectroscopic device, and the present invention will be further described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0017] Such as figure 1 As shown, the embodiment of the present invention provides a wide-band close-range ultraviolet imaging spectroscopy device, including: a light source 1, which is used to irradiate ultraviolet light to the sample S to be tested; S scans, so that the reflected light of the part scanned each time is imaged on the interference part 4 through the front imaging part 3; Focusing on the reflected light, so that the reflected light forms an image in the interference part 4; the interference part 4 is used to pass the reflected light generated by each scanning from the front imaging part 3 throu...

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Abstract

The invention provides a broadband close shot ultraviolet imaging spectrum device which is used for solving the problem that an existing ultraviolet imaging spectrum device can not flexibly detect an object within a wide ultraviolet spectrum range, and relates to the field of photoelectricity. The broadband close shot ultraviolet imaging spectrum device comprises a scanning portion, a front imaging portion, an interfering portion, a relay imaging portion and a detecting portion, wherein the scanning portion is used for scanning a tested sample according to a preset step length, the front imaging portion is used for conducting zooming and focusing on reflection light in a reflection mode, the reflection light is generated each time when the scanning portion conducts scanning, the interfering portion is used for conducting imaging on the reflection light, coming from the front imaging portion and generated each time when scanning is conducted, to form a first image and a second image, the content of the first image and the content of the second image in the same set are the same, the difference between the phase of the first image and the phase of the second image is a preset phase, the relay imaging portion is used for conducting superposition and interference on the first image and the second image in each set in a reflection mode to form a third image, and the detecting portion is used for converting optical signals of each third image obtained through superposition and interference into electric signals and conducting data processing.

Description

technical field [0001] The invention relates to the field of optoelectronic technology, in particular to a wide-band near-sight ultraviolet imaging spectrum device. Background technique [0002] As a new technology in the fields of target detection, material testing and analysis, imaging spectroscopy has attracted extensive attention from all over the world due to its characteristics of high luminous flux and high spectral resolution. At present, in the fields of physical evidence identification, trace detection, public security, etc., there are already examples of imaging spectrometers working in the visible to infrared bands, using technologies such as dispersion, liquid crystal tunable filters, and interference imaging. Among them, the interference imaging spectroscopy technology can obtain the interference spectroscopy image of the entire array detector plane, has the characteristics of high luminous flux and high resolution, and has high application value. [0003] Amo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01J3/45G01N21/25
Inventor 廖宁放吕航刘洋廉玉生吴文敏范秋梅董志刚曹玮亮
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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