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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202303395
|2 doi
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|a pubmed25n1203.xml
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|a (DE-627)NLM361314779
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|a (NLM)37633311
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|a DE-627
|b ger
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|e rakwb
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|a eng
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| 100 |
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|a Li, Yuhang
|e verfasserin
|4 aut
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| 245 |
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|a Universal Polarization Transformations
|b Spatial Programming of Polarization Scattering Matrices Using a Deep Learning-Designed Diffractive Polarization Transformer
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 21.12.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 The Authors. Advanced Materials published by Wiley-VCH GmbH.
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|a Controlled synthesis of optical fields having nonuniform polarization distributions presents a challenging task. Here, a universal polarization transformer is demonstrated that can synthesize a large set of arbitrarily-selected, complex-valued polarization scattering matrices between the polarization states at different positions within its input and output field-of-views (FOVs). This framework comprises 2D arrays of linear polarizers positioned between isotropic diffractive layers, each containing tens of thousands of diffractive features with optimizable transmission coefficients. After its deep learning-based training, this diffractive polarization transformer can successfully implement Ni No = 10 000 different spatially-encoded polarization scattering matrices with negligible error, where Ni and No represent the number of pixels in the input and output FOVs, respectively. This universal polarization transformation framework is experimentally validated in the terahertz spectrum by fabricating wire-grid polarizers and integrating them with 3D-printed diffractive layers to form a physical polarization transformer. Through this set-up, an all-optical polarization permutation operation of spatially-varying polarization fields is demonstrated, and distinct spatially-encoded polarization scattering matrices are simultaneously implemented between the input and output FOVs of a compact diffractive processor. This framework opens up new avenues for developing novel devices for universal polarization control and may find applications in, e.g., remote sensing, medical imaging, security, material inspection, and machine vision
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|a Journal Article
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|a optical computing
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| 650 |
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|a optical neural networks
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| 650 |
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|a polarization
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| 650 |
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|a polarization transformations
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| 650 |
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|a transformation optics
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| 700 |
1 |
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|a Li, Jingxi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Yifan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gan, Tianyi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hu, Jingtian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jarrahi, Mona
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ozcan, Aydogan
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 35(2023), 51 vom: 21. Dez., Seite e2303395
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
1 |
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|g volume:35
|g year:2023
|g number:51
|g day:21
|g month:12
|g pages:e2303395
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| 856 |
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|u http://dx.doi.org/10.1002/adma.202303395
|3 Volltext
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