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|a 10.1002/adma.202205367
|2 doi
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|a pubmed24n1161.xml
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|a (DE-627)NLM348553420
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|a (NLM)36341483
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|a DE-627
|b ger
|c DE-627
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|a eng
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|a Moitra, Parikshit
|e verfasserin
|4 aut
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| 245 |
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|a Programmable Wavefront Control in the Visible Spectrum Using Low-Loss Chalcogenide Phase-Change Metasurfaces
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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
|b cr
|2 rdacarrier
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|a Date Revised 24.08.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2022 Wiley-VCH GmbH.
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|a All-dielectric metasurfaces provide unique solutions for advanced wavefront manipulation of light with complete control of amplitude and phase at sub-wavelength scales. One limitation, however, for most of these devices is the lack of any post-fabrication tunability of their response. To break this limit, a promising approach is employing phase-change materials (PCMs), which provide fast, low energy, and non-volatile means to endow metasurfaces with a switching mechanism. In this regard, great advancements have been done in the mid-infrared and near-infrared spectrum using different chalcogenides. In the visible spectral range, however, very few devices have demonstrated full phase manipulation, high efficiencies, and reversible optical modulation. In this work, a programmable all-dielectric Huygens' metasurface made of antimony sulfide (Sb2 S3 ) PCM is experimentally demonstrated, a low loss and high-index material in the visible spectral range with a large contrast (≈0.5) between its amorphous and crystalline states. ≈2π phase modulation is shown with high associated transmittance and it is used to create programmable beam-steering devices. These novel chalcogenide PCM metasurfaces have the potential to emerge as a platform for next-generation spatial light modulators and to impact application areas such as programmable and adaptive flat optics, light detection and ranging (LiDAR), and many more
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|a Journal Article
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|a Huygens’ metasurfaces
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|a all-dielectric metasurfaces
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|a beam steering
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|a phase-change materials
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|a programmable metasurfaces
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|a Wang, Yunzheng
|e verfasserin
|4 aut
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1 |
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|a Liang, Xinan
|e verfasserin
|4 aut
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|a Lu, Li
|e verfasserin
|4 aut
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|a Poh, Alyssa
|e verfasserin
|4 aut
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|a Mass, Tobias W W
|e verfasserin
|4 aut
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| 700 |
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|a Simpson, Robert E
|e verfasserin
|4 aut
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|a Kuznetsov, Arseniy I
|e verfasserin
|4 aut
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|a Paniagua-Dominguez, Ramon
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 35(2023), 34 vom: 21. Aug., Seite e2205367
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:35
|g year:2023
|g number:34
|g day:21
|g month:08
|g pages:e2205367
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|u http://dx.doi.org/10.1002/adma.202205367
|3 Volltext
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