Design and Development of a Single-photon Laser and Infrared Common Aperture Optical System

doi:10.3807/copp.2022.6.2.171

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	Design and Development of a Single-photon Laser and Infrared Common Aperture Optical System
	H. B. Wu; Z. Xin; S. L. Tan; M. X. Liu; L. J. Wang; Y. Lei; L. Yang and G. W. Shi
	2022
发表期刊	Current Optics and Photonics
ISSN	2508-7266
卷号	6 期号:2 页码:171-182
摘要	A single-photon laser and mid-wave infrared (MWIR) common aperture optical system was designed and developed to detect and range a long-distance civil aviation aircraft. The secondary mirror of the Ritchey-Chretien (R-C) optical system was chosen as a dichroic lens to realize the design of a common aperture system for the laser and MWIR. Point spread function (PSF) ellipticity was introduced to evaluate the coupling efficiency of the laser receiving system. A small aperture stop and narrow filter were set in the secondary image plane and an afocal light path of the laser system, respectively, and the stray light suppression ability of the small aperture stop was verified by modeling and simulation. With high-precision manufacturing technology by single point diamond turning (SPDT) and a high-efficiency dichroic coating, the laser/MWIR common aperture optical system with a ??300 mm aluminum alloy mirror obtained images of buildings at a distance of 5 km with great quality. A civil aviation aircraft detection experiment was conducted. The results show that the common aperture system could detect and track long-distance civil aviation aircraft effectively, and the coverage was more than 450 km (signal-tonoise ratio = 6.3). It satisfied the application requirements for earlier warning and ranging of long-range targets in the area of aviation, aerospace and ground detection systems.
DOI	10.3807/copp.2022.6.2.171
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收录类别	sci ; ei
语种	英语
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文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/66518
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	H. B. Wu,Z. Xin,S. L. Tan,et al. Design and Development of a Single-photon Laser and Infrared Common Aperture Optical System[J]. Current Optics and Photonics,2022,6(2):171-182.
APA	H. B. Wu.,Z. Xin.,S. L. Tan.,M. X. Liu.,L. J. Wang.,...&L. Yang and G. W. Shi.(2022).Design and Development of a Single-photon Laser and Infrared Common Aperture Optical System.Current Optics and Photonics,6(2),171-182.
MLA	H. B. Wu,et al."Design and Development of a Single-photon Laser and Infrared Common Aperture Optical System".Current Optics and Photonics 6.2(2022):171-182.

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