Research Progress and Key Technology Analysis of Variable Cold Aperture Infrared Detector

SUN Hongsheng; CHEN Xiaoping; XIA Ming; CHEN Jun; HUANG Yibin; GAN Youyu; LI Shufen

Volume 46 Issue 4

Apr. 2024

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Article Navigation > Infrared Technology > 2024 > 46(4): 376-383

SUN Hongsheng, CHEN Xiaoping, XIA Ming, CHEN Jun, HUANG Yibin, GAN Youyu, LI Shufen. Research Progress and Key Technology Analysis of Variable Cold Aperture Infrared Detector[J]. Infrared Technology , 2024, 46(4): 376-383.

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Research Progress and Key Technology Analysis of Variable Cold Aperture Infrared Detector

Kunming Institute of Physics, Kunming 650223, China

Received Date: 2023-02-22
Rev Recd Date: 2023-04-10
Publish Date: 2024-04-20

Abstract

Abstract

Variable F/number-cooled infrared detectors, which are based on variable cold aperture technology, are urgently needed because they can improve the performance of zoom infrared optical systems and consider both spatial resolution and sensitivity. Compared with the traditional zoom infrared optical system, the variable F/number zoom infrared optical system can balance the resolution and sensitivity when the system switches between large and minimum scales. Furthermore, the variable F/number zoom infrared optical system can improve the aperture utilization rate of the optical system and reduce its radial dimensions, which is beneficial for improving the imaging quality and miniaturization design of the infrared optical system. In this paper, we discuss the relationship between the variable F/number and zoom and summarize the research progress in the field of variable cold-aperture infrared detectors. Finally, we analyze the key technical challenges of the mainstream technology approach.
- infrared detector,
- variable cold aperture,
- variable F/ number,
- zoom

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References(21)

References

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