A multi-channel optical absorption detection device
An optical absorption and detection device technology, applied in the field of optics and spectroscopy, can solve the problems of complex optical absorption device structure, low cost of gas detection system, high detection efficiency, etc., to achieve easy engineering realization and application, improve space utilization, The effect of high detection efficiency
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Embodiment 1
[0031] The present invention is a multi-channel optical absorption detection device, which includes a housing 3 and a reflection mirror installed thereon. The optical absorption detection device is provided with an incident hole and an exit hole, and two concave reflection mirrors are coaxially placed opposite each other. A multi-channel optical absorption detection is formed between two oppositely placed concave mirrors, see figure 1 , a first concave reflector 1 and a second concave reflector 2 are coaxially placed opposite each other, and the housing 3 is fixed to the two reflectors to form a multi-channel optical absorption detection device 4 as a whole. The optical absorption detection device 4 is also referred to as an optical absorption device and also as a gas absorption device. In this example, the reflective surface of each reflector is spherical, and the radii of curvature of the reflective surfaces of the two concave reflectors are equal. One of the concave reflect...
Embodiment 2
[0036] The composition and structure of the multi-channel optical absorption detection device are the same as in Embodiment 1. The absorption detection device of the present invention has a simple structure, including: two concave reflectors installed on the housing 3, the two concave reflectors are coaxially placed opposite each other, and the two concave reflectors The optical axes of the mirrors coincide with each other, and the curvature radii of the reflecting surfaces of the two mirrors are equal. One side of the two concave mirrors is provided with multiple pairs of through holes, and the multiple pairs of through holes are arranged along the circumference of the mirror surface. The connecting line of the hole centers of each pair of through holes passes through the center of the mirror, one through hole in each pair of through holes is used to detect the incident hole of the light beam, and the other through hole is used to detect the exit hole of the light beam, and ea...
Embodiment 3
[0039] The composition and structure of the multi-channel optical absorption detection device are the same as in Embodiment 1-2. In this example, the reflection surfaces of the two reflectors are parabolic, but the reflectors with different surface types need to be equipped with different housings 3, so that the two reflectors are reliable. Stable connection.
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