Design of transmitter parameters for multi-beam staring photon detection

Ahui Hou; Yi-Hua Hu; Nan-Xiang Zhao; Jia-Jie Fang

doi:10.1117/12.2622906

27 March 2022 Design of transmitter parameters for multi-beam staring photon detection

Ahui Hou, Yi-Hua Hu, Nan-Xiang Zhao, Jia-Jie Fang

Proceedings Volume 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications; 121692J (2022) https://doi.org/10.1117/12.2622906
Event: Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 2021, Kunming, China

Abstract

For detecting long-distance moving aerial targets, in order to solve the problem of low accumulation times and weak echo signal, this work proposes a multi-beam staring photon detection method. Firstly, the photon waveform expression of multi-beam staring photon detection is deduced. Then, the relationships between divergence angle, pulse width, single pulse energy, laser repetition frequency and photon probability distortion are discussed. Finally, the method of calculating the system transmitter parameters is obtained. The results show that when the detection target is the F22 flight with a speed of 400m/s at a distance of 10km, the number of beams is set to 40, the launch angle is set to 2mrad, the pulse width is set to 1ns, and the single pulse energy is set to 0.5μJ at the transmitting end. The research results provide a theoretical basis for the system design and realization of long-distance and fast-moving aerial targets.

Citation Download Citation

Ahui Hou, Yi-Hua Hu, Nan-Xiang Zhao, and Jia-Jie Fang "Design of transmitter parameters for multi-beam staring photon detection", Proc. SPIE 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 121692J (27 March 2022); https://doi.org/10.1117/12.2622906

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KEYWORDS

Photodetectors

Target detection

LIDAR

Pulsed laser operation

Transmitters

Imaging systems

Laser range finders

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