Measurement of laser energy distribution on the target surface of CCD detector by image fusion method

Xuanfeng Zhou; Defeng Zhang; Yanbin Wang; Wenjian Xiao; Chenglong Jiang

doi:10.1117/12.2651535

22 December 2022 Measurement of laser energy distribution on the target surface of CCD detector by image fusion method

Xuanfeng Zhou, Defeng Zhang, Yanbin Wang, Wenjian Xiao, Chenglong Jiang

Proceedings Volume 12459, Sixth International Symposium on Laser Interaction with Matter; 1245904 (2022) https://doi.org/10.1117/12.2651535
Event: Sixth International Symposium on Laser Interaction with Matter (LIMIS 2022), 2022, Ningbo, China

Abstract

Square array CCD detector is widely used in image acquisition, photoelectric measurement and other fields. However, its inherent dynamic range is affected by noise and saturation crosstalk effect, which can not meet the application requirements of laser jamming effect measrement. In this paper, an image date fusion method based on linear compensation and orthogonal compensation is proposed. By controlling the jamming laser power, collecting multi-frame laser jamming effect images, and making full use of the effective measurement information in the image for compensation, the target laser energy distribution data with lager dynamic range can be obtained. In the experiment, the laser energy distribution on the target surface diffracted by circular aperture and rectangular aperture is inversed respectively, and the dynamic range is expanded by 40dB.

Citation Download Citation

Xuanfeng Zhou, Defeng Zhang, Yanbin Wang, Wenjian Xiao, and Chenglong Jiang "Measurement of laser energy distribution on the target surface of CCD detector by image fusion method", Proc. SPIE 12459, Sixth International Symposium on Laser Interaction with Matter, 1245904 (22 December 2022); https://doi.org/10.1117/12.2651535

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KEYWORDS

Image fusion

Charge-coupled devices

Laser energy

Diffraction

Image processing

Sensors

CCD image sensors

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