NETD and SNR analysis of laser jamming infrared imaging system

Xu Qiang; Pan Feng; Huang Li; Wang Xingtao

doi:10.5768/JAO201738.0606001

Journal of Applied Optics > 2017 > 38(6): 990-994. > DOI: 10.5768/JAO201738.0606001

Xu Qiang, Pan Feng, Huang Li, Wang Xingtao. NETD and SNR analysis of laser jamming infrared imaging system[J]. Journal of Applied Optics, 2017, 38(6): 990-994. DOI: 10.5768/JAO201738.0606001

Citation:

Xu Qiang, Pan Feng, Huang Li, Wang Xingtao. NETD and SNR analysis of laser jamming infrared imaging system[J]. Journal of Applied Optics, 2017, 38(6): 990-994. DOI: 10.5768/JAO201738.0606001

Citation:

Xu Qiang, Pan Feng, Huang Li, Wang Xingtao. NETD and SNR analysis of laser jamming infrared imaging system[J]. Journal of Applied Optics, 2017, 38(6): 990-994. DOI: 10.5768/JAO201738.0606001

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NETD and SNR analysis of laser jamming infrared imaging system

1.
School of Physics and Optoelectronic Engineering, Xidian University, Xi'an 710071, China
2.
China Airborne Missile Academy, Luoyang 471009, China

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Received Date: October 16, 2016
Revised Date: March 16, 2017

Graphical Abstract

Abstract

Abstract

Noise equivalent temperature difference(NETD) and signal to noise ratio(SNR) are one of the important parameters to measure performance of infrared imaging system, which is related to various performance parameters of the detector. Performance parameters of different types of infrared detectors are analyzed after laser irradiation interfering infrared detection system. Through theoretical calculation and calculation, system NETD and SNR curve before and after YAG (wavelength 1.06 μm) laser jamming are compared. NETD after laser damage is two to three orders of magnitude larger than that of pre-damage. At the same time, SNR after laser jamming is two orders of magnitude smaller than that before laser jamming. Influence of laser jamming on infrared detection system is derived.
- infrared imaging system,
- laser jamming,
- NETD,
- SNR

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References (17)

References

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NETD and SNR analysis of laser jamming infrared imaging system