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Spectral measurement system with adjustable atmosphere conditions

A spectrum measurement and optical path system technology, applied in the field of vacuum instrument technology and optical analysis instruments, can solve the problems of limited application range of spectrum analysis instruments, difficult to meet diversified measurements, etc., and achieve the effect of eliminating interference

Pending Publication Date: 2020-02-28
MATERIAL INST OF CHINA ACADEMY OF ENG PHYSICS
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Problems solved by technology

[0004] The purpose of the present invention is to provide a spectral measurement system with adjustable atmosphere conditions, which mainly solves the problem that the existing spectral analysis instruments are limited in scope of application and difficult to meet diversified measurements.

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  • Spectral measurement system with adjustable atmosphere conditions

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Embodiment

[0019] Such as figure 1 As shown, a spectral measurement system with adjustable atmosphere conditions disclosed in the present invention includes a central control unit 23, a gas injection system connected to the central control unit through a signal cable, a vacuum optical analysis chamber, an analysis chamber vacuum acquisition unit, The detection optical path system and the collection optical path system; the central control unit is used to coordinate and control each unit, and complete the gas configuration, optical measurement and spectrum acquisition of a given atmospheric condition through the controller instruction in the central control unit; the said The gas injection system is used to obtain a set flow or volume of gas; the vacuum optical analysis chamber is used to make the gas injected by the gas injection system interact with the sample in the vacuum optical analysis chamber under a given atmospheric condition, and emit the gas to be detected Spectral signal; the...

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Abstract

The invention discloses a spectral measurement system with adjustable atmosphere conditions. The spectral measurement system mainly solves the problems that an existing spectral analysis instrument islimited in application range and cannot satisfy diversified measurement. The spectral measurement system comprises a central control unit, and a gas injection system, a vacuum optical analysis chamber, an analysis chamber vacuum acquisition unit, a detection light path system and a collection light path system which are connected with the central control unit by means of signal cables. By combining the vacuum system and the optical system, the spectral measurement system realizes selective adjustment and control of the atmosphere conditions of a measured object, can eliminate interference ofair to spectral analysis completely, satisfies the analysis of specific substances under the condition of requiring characteristic atmospheres, can be adapt to analysis of high-activity, toxic, radioactive or other harmful substances, enhances the measurement capability of the spectral measurement system, and expands the measurement application range, thereby being suitable for popularization andapplication.

Description

technical field [0001] The invention relates to the technical field of vacuum instruments and optical analysis instruments, in particular to a spectrum measurement system with adjustable atmosphere conditions. Background technique [0002] The spectral measurement system with adjustable atmosphere conditions can selectively adjust and control the atmosphere conditions of the measured object, so as to eliminate the measurement interference caused by the atmosphere, improve the measurement capability and expand the scope of application of the measurement. [0003] At present, various types of spectral analysis instruments (such as LIBS, Raman spectroscopy, infrared spectroscopy, etc.) mainly use direct measurement in the atmosphere, measurement using inert gas purging, and measurement in transparent containers such as quartz for analysis and detection. In special application scenarios where the air interferes strongly with the measurement and the sample has high activity, toxi...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/25
CPCG01N21/25G01N21/255
Inventor 杨蕊竹李强吴吉良叶小球陈长安饶咏初冯春蓉王雪峰严俊
Owner MATERIAL INST OF CHINA ACADEMY OF ENG PHYSICS
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