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Hybrid-index-based array configuration optimization for Michelson interferometric imaging
DOI:10.1364/OE.522773.png)
摘要
En 中文
Array configuration design is a critical issue for a high quality of the snapshot point spread function (PSF) and restored image in Michelson imaging interferometer. In classic design, the optimized configurations usually address the few specifications and single objective, which is unable to balance the requirements of both non -redundancy and sampling distribution. In this paper, we formalize mathematically the composite metric to trade-off the multiple demands of observation, and propose the hybrid -index -based array layout optimization strategy. The simulation results demonstrate that, in comparison with the typical distribution, the optimized array using the proposed optimization framework enables the acquisition of more comprehensive spectrum information while utilizing an equal number of apertures, providing superior imaging quality in different observation situations. Furthermore, the designed optimized array masks and the compared conventional array masks were fabricated and used for our experimental validation, further verifying the feasibility of this strategy. This array configuration optimization framework may not only find applications to Michelson interferometric imaging, but also provide a positive impact on all u - v sampling -based imaging modes, including radio interferometry, magnetic resonance imaging, and photonic integrated interferometric imaging.
Keyword:
DESIGN
LAYOUT
SYSTEM
IMAGES
DISK
期刊
IF:
3.3
论文数:
6.1W
被引数:
14.3W
机构
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