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Fourier transform infrared spectrometer and gas concentration detection method

An infrared spectrometer and Fourier transform technology, applied in the field of concentration analysis devices

Active Publication Date: 2022-07-12
TIANJIN TONGYANG TECH DEV
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Problems solved by technology

Fourier transform infrared spectrometer technology has become an ideal monitoring method in the field of gas quantitative analysis due to its high precision, wide application range, fast response speed, long life, and convenient use. However, there is still a need for further improvement of Fourier transform infrared spectrometers.

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  • Fourier transform infrared spectrometer and gas concentration detection method
  • Fourier transform infrared spectrometer and gas concentration detection method

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Embodiment Construction

[0028] The Fourier transform infrared spectrometer uses the principle of Michelson interferometer to make the 632.8nm laser generated by the helium-neon laser produce interference phenomenon and act as a collimated light source. The infrared broadband light source and the laser are in an optical path system. After the infrared light source is interfered, the interference data is collected by A / D. After the data is Fourier transformed, the spectral data of the infrared light can be obtained, and then the concentration of the gas to be measured can be analyzed. .

[0029] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0030] According to an embodiment of the present invention, a Fourier transform infrared spectrometer is provided, such as figure 1 As show...

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Abstract

A Fourier transform infrared spectrometer and a gas concentration detection method, the Fourier transform infrared spectrometer comprising: a laser source; an interference module, wherein the interference module comprises: a prism; a beam splitter; a quarter wave plate; a fixed mirror; A moving mirror; and a photoelectric information conversion module, including: a beam splitter prism; and two photocells.

Description

technical field [0001] The invention relates to an analysis device for the concentration of various gases, in particular to a Fourier transform infrared spectrometer and a gas concentration detection method. Background technique [0002] With the development of industry and the increasing number of domestic wastes, the resulting toxic and harmful gases have seriously affected the quality of the air, which in turn affects people's health. Fourier transform infrared spectroscopy technology has become an ideal monitoring method in the field of gas quantitative analysis due to its high precision, wide application range, fast response speed, long life, and convenient use. However, there is still a need for further improvement in Fourier transform infrared spectroscopy. SUMMARY OF THE INVENTION [0003] In view of this, the main purpose of the present invention is to provide a Fourier transform infrared spectrometer and a gas concentration detection method, so as to at least par...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/3504G01N21/01
CPCG01N21/3504G01N21/01
Inventor 李永刚李洪刚苏东东夏瑞阳樊海春张涛
Owner TIANJIN TONGYANG TECH DEV
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