A sensor device for online measurement of gas content in petrochemical hydrogen-carrying pipelines based on f-p optical signal enhancement
A technology of gas content and optical enhancement, which is applied in the direction of measuring devices, material analysis through optical means, scientific instruments, etc., can solve the problems of using power supply, affecting product quality, unfavorable hydrogenation reaction, etc., and achieves high sensitivity and accuracy , to ensure true consistency, to enhance the effect of excitation light power
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[0037] The present invention will be further described below in conjunction with specific examples and accompanying drawings.
[0038] The invention provides an optical enhancement chamber for on-line measurement of hydrogen and impurity content in petrochemical hydrogen-carrying pipelines, such as figure 1 with image 3 As shown, it includes a sample pool 2, and the sample pool 2 is provided with an air inlet 2-1 and an air outlet 2-2 for connecting with an industrial pipeline of the gas to be measured; the left and right ends of the sample pool 2 are respectively provided with The first reflector 11 and the second reflector 12; wherein the first reflector 11 and the second reflector 12 all include a spherical surface with a focal length of f, and the middle part of the spherical surface is a circular plane whose length is l, so that the two spherical surfaces form the first F-P oscillating cavity, two circular planes constitute the second F-P oscillating cavity; the first m...
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