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Volume 44 Issue 12
Dec.  2022
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SUN Aiping, HU Jianchuan, AN Changliang, LI Xunniu, WANG Chenyue, GONG Yangyun, SONG Yuyu. Optical System Design of Suspended Infrared Night Vision Based on Low Light Level Helmet Observation[J]. Infrared Technology , 2022, 44(12): 1278-1286.
Citation: SUN Aiping, HU Jianchuan, AN Changliang, LI Xunniu, WANG Chenyue, GONG Yangyun, SONG Yuyu. Optical System Design of Suspended Infrared Night Vision Based on Low Light Level Helmet Observation[J]. Infrared Technology , 2022, 44(12): 1278-1286.
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Optical System Design of Suspended Infrared Night Vision Based on Low Light Level Helmet Observation

  • North Night Vision Science & Technology Research Institute Group Co. Ltd., Kunming 650223, China

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  • Received Date: July 02, 2020
  • Revised Date: February 23, 2021
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    • Abstract
  • Helmet night vision systems are developed from single-band to multi-band image fusion. In this study, we analyzed the technical program and image registration accuracy based on low-light-level helmet observation and a hanging infrared night vision device. Optical simulation analysis was also conducted. First, we analyzed the working mode of the combination of hanging infrared night vision and low-light-level helmet, as well as the design scheme of image rotation and circular field of view. Second, according to the design index of hanging infrared night vision, optical simulation of an infrared lens and projection lens was carried out. Third, the image registration accuracy was analyzed from three viewpoints: suspension accuracy, optical axis consistency, and distortion. Finally, according to the simulation results and image registration accuracy analysis, a technical scheme based on low-light-level helmet observation and suspended infrared night vision is feasible and can achieve the targeted effect.
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    • References (6)
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