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Single-shot common-path encoded coherent diffraction imaging with OAM multiplexing
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作者 MINGLI SUN YINGMING XU +5 位作者 YUANYUAN LIU CHIYE LI BIJUN XU XIAOGANG WANG JUNHUI SHI QIWEN ZHAN 《Photonics Research》 2025年第6期1620-1630,共11页
Single-shot multi-frame phase imaging plays an important role in detecting continuous extreme physical phenomena,particularly suitable for measuring the density of media with non-repeatable changes and uncertainties.H... Single-shot multi-frame phase imaging plays an important role in detecting continuous extreme physical phenomena,particularly suitable for measuring the density of media with non-repeatable changes and uncertainties.However,traditional single-pattern multiplexed imaging faces challenges in retrieving amplitude and phase information of multiple frames without sacrificing spatial resolution and phase accuracy。 展开更多
关键词 detecting continuous extreme physical phenomenaparticularly retrieving amplitude phase information oam multiplexing common path encoding measuring density media single shot imaging spatial resolution coherent diffraction imaging
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Orbital angular momentum beams demultiplexing using a hybrid Fourier phase shift neural network
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作者 JIACHI YE TONGYAO WU +6 位作者 ABDULAZIZ BAZAMMUL QIAN CAI BELAL JAHANNIA ZIBO HU HAO WANG HAMED DALIR ELHAM HEIDARI 《Photonics Research》 2025年第12期I0017-I0029,共13页
The exponential growth in data traffic has driven significant research into maximizing the capacity of free-space optical(FSO)communication systems.Orbital angular momentum(OAM)multiplexing offers a promising approach... The exponential growth in data traffic has driven significant research into maximizing the capacity of free-space optical(FSO)communication systems.Orbital angular momentum(OAM)multiplexing offers a promising approach by using spatially structured beams with helical wavefronts to achieve higher data transmission rates.However,conventional electronic convolutional-neural-network-based OAM demultiplexing schemes exhibit substantial computational and energy efficiency limitations. 展开更多
关键词 spatially structured beams computational efficiency helical wavefronts angular momentum oam multiplexing data traffic hybrid fourier phase shift neural network free space optical communication DEmultiplexing
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