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28 February 2017 The infrared bands Pechan prism axis parallel detection method
Hua Qiang, Ming Ji, Yu-lan He, Nan-xi Wang, Wei-jun Chang, Ling Wang, Li Liu
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Proceedings Volume 10256, Second International Conference on Photonics and Optical Engineering; 1025615 (2017) https://doi.org/10.1117/12.2256496
Event: Second International Conference on Photonics and Optical Engineering, 2016, Xi'an, China
Abstract
In this paper, we put forward a new method to adjust the air gap of the total reflection air gap of the infrared Pechan prism. The adjustment of the air gap in the air gap of the Pechan prism directly affects the parallelism of the optical axis, so as to affect the consistency of the optical axis of the infrared system. The method solves the contradiction between the total reflection and the high transmission of the infrared wave band, and promotes the engineering of the infrared wave band. This paper puts forward the method of adjusting and controlling, which can ensure the full reflection and high penetration of the light, and also can accurately measure the optical axis of the optical axis of the different Pechan prism, and can achieve the precision of the level of the sec. For Pechan prism used in the infrared band image de rotation, make the product to realize miniaturization, lightweight plays an important significance.
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Hua Qiang, Ming Ji, Yu-lan He, Nan-xi Wang, Wei-jun Chang, Ling Wang, and Li Liu "The infrared bands Pechan prism axis parallel detection method", Proc. SPIE 10256, Second International Conference on Photonics and Optical Engineering, 1025615 (28 February 2017); https://doi.org/10.1117/12.2256496
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KEYWORDS
Infrared radiation
Prisms
Infrared imaging
Infrared detectors
Optical testing
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