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Method for determining formation of linear light spots in multi-reflection gas chamber, method for determining test of multiple gases in multi-reflection gas chamber and multi-reflection gas chamber

A technology of linear light spot and air chamber, which is applied in the field of spectral detection to achieve the effect of small and compact size and easy portability.

Active Publication Date: 2020-10-02
BEIJING NORMAL UNIVERSITY
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Problems solved by technology

[0006] To this end, the present invention provides a method for determining the formation of linear faculae in multiple anti-gas chambers, to solve or at least alleviate the above existing problems

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  • Method for determining formation of linear light spots in multi-reflection gas chamber, method for determining test of multiple gases in multi-reflection gas chamber and multi-reflection gas chamber
  • Method for determining formation of linear light spots in multi-reflection gas chamber, method for determining test of multiple gases in multi-reflection gas chamber and multi-reflection gas chamber
  • Method for determining formation of linear light spots in multi-reflection gas chamber, method for determining test of multiple gases in multi-reflection gas chamber and multi-reflection gas chamber

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Embodiment Construction

[0048] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for a more thorough understanding of the present invention and to fully convey the scope of the present disclosure to those skilled in the art.

[0049] In the technical solution according to the present invention, by establishing an optical model of multiple anti-air chambers in the computing device, the computing device is used to realize the method 300 for determining the formation of linear light spots in the multi-anti-air chamber, and to determine the method 300 for testing multiple anti-air chambers in the multi-anti-air chamber. Method 500 of a gas. By setting the i...

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Abstract

The invention discloses a method for determining formation of a linear light spot in a multi-reflection air chamber. The method comprises the steps: setting a relative distance range of a first reflector and a second reflector, and constructing a relative distance array based on a preset distance interval; for each relative distance value in the relative distance array, setting light to be incident at a preset initial incident point coordinate and a preset initial incident angle, and setting the incident light to pass through the central symmetry axis of the two reflecting mirrors, so that a plurality of light spots formed on the reflecting mirrors form a linear light spot pattern, and determining the path of the light in the multi-reflection air chamber according to an optical model; selecting a path of which the reflection frequency is within a preset reflection frequency range and the light spot spacing is within a preset light spot spacing range in the linear light spot pattern asa first candidate path, and obtaining a corresponding first linear light spot pattern; and generating a candidate path set and a candidate linear spot pattern set. In addition, the invention also discloses a method for determining the test of various gases in the multi-reaction gas chamber and the multi-reaction gas chamber.

Description

technical field [0001] The invention relates to the technical field of spectrum detection, in particular to a method for determining the formation of linear light spots in a multi-anti-air chamber, a method for determining the testing of multiple gases in a multi-anti-air chamber, a multi-anti-air chamber and a computing device. Background technique [0002] Optical multi-antigas cells have been widely used in tunable diode laser absorption spectroscopy (TDLAS) technology, which can achieve a long optical path in a relatively small volume, thereby improving detection sensitivity and reducing detection limit. The optical multi-reflection gas chamber requires fine adjustment of the reflector in the gas chamber to ensure that the light beam enters the multi-reflection gas chamber through the entrance hole, and is emitted from the exit hole after a certain number of back and forth reflections. According to the Lambert-Beer law, increasing the distance between the light and the s...

Claims

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Application Information

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IPC IPC(8): G01N21/31G01N21/01
CPCG01N21/31G01N21/01G01N2021/0112
Inventor 孔榕周欣刘鹏
Owner BEIJING NORMAL UNIVERSITY
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