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A broadband close-range ultraviolet imaging spectroscopic device

An ultraviolet imaging, wide-band technology, applied in interferometric spectroscopy, color/spectral characteristic measurement, spectrum investigation, etc., can solve the problem of unable to detect the target signal, etc., to improve the quality of interference fringes, clear spectral images, and avoid absorption. Effect

Inactive Publication Date: 2015-12-02
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

Method used

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  • A broadband close-range ultraviolet imaging spectroscopic device
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Embodiment Construction

[0016] The present invention provides a wide-band near-range ultraviolet imaging spectroscopy device. The present invention will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the present invention, but do not 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 for irradiating ultraviolet light to a sample S; a scanning unit 2 for irradiating the sample to be tested with a preset step length S scans, so that the reflected light of each scanned part is imaged on the interference part 4 through the front imaging part 3; the front imaging part 3 is used to reflect all the light generated by the scanning part 2 in each scan. The reflected light is focused so that the reflected light is imaged in the inter...

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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-range ultraviolet imaging spectroscopy device. Background technique [0002] As a new technology in the fields of target detection, material testing and analysis, imaging spectroscopy technology has attracted wide attention from all over the world due to its high luminous flux and high spectral resolution. At present, in the fields of physical evidence identification, trace detection, public safety, etc., there have been application examples of imaging spectrometers that work 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 spectrum image of the entire array detector plane, which has the characteristics of high luminous flux and high resolution, and has high application value. [0003] Among t...

Claims

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Application Information

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Patent Type & Authority Patents(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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