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27 March 2022 A new structure of synthetic aperture system
Zhen Xu, XingLong Li, Che Liu, Jianguo Tian, Wei Zhu
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Proceedings Volume 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications; 1216968 (2022) https://doi.org/10.1117/12.2624736
Event: Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 2021, Kunming, China
Abstract
The optical synthetic aperture imaging system based on integrated optics obviously decreases the dimension and weight by integrating thousands of micro-lenses and optical waveguide arrays on a planar substrate, but the structure of aperture array is still one of the important factors affecting the imaging quality of system. Therefore, a new micro-lenses array of the optical synthetic aperture imaging system is proposed as micro-lenses array in the shape of windmill which in front of the integrated optical interference system. The theoretical basis of synthetic aperture imaging system is introduced. Build the mathematical model of “windmill” and SPIDER micro-lenses array. Use computer digital simulation experiment to calculate and compare about the peak signal-to-noise ratio (PSNR) and modulation transfer function (MTF) of two kinds of synthetic aperture structure. The experimental results show that the new structure has the advantage of easy fabrication, and the imaging quality is better than the others.
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Zhen Xu, XingLong Li, Che Liu, Jianguo Tian, and Wei Zhu "A new structure of synthetic aperture system", Proc. SPIE 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 1216968 (27 March 2022); https://doi.org/10.1117/12.2624736
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KEYWORDS
Imaging systems
Modulation transfer functions
Point spread functions
Integrated optics
Synthetic aperture imaging
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