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231226s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202307494
|2 doi
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|a eng
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| 100 |
1 |
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|a Jangid, Piyush
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Spectral Tuning of High-Harmonic Generation with Resonance-Gradient Metasurfaces
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|c 2024
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 11.01.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 Wiley-VCH GmbH.
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|a High-index dielectric subwavelength structures and metasurfaces are capable of enhancing light-matter interaction by orders of magnitude via geometry-dependent optical resonances. This enhancement, however, comes with a fundamental limitation of a narrow spectral range of operation in the vicinity of one or few resonant frequencies. Here, this limitation is tackled by introducing an innovative and practical approach to achieve spectrally tunable enhancement of light-matter interaction with resonant metasurfaces. Resonance-gradient metasurfaces are designed and fabricated with varying geometrical parameters that translate into resonant frequencies dependence on one of the coordinates of the metasurface. The metasurfaces are composed of bone-like nanoresonators, which are made of germanium and support high-quality optical resonances in the mid-IR spectral range. The concept is applied to observe the resonant enhancement of the third and fifth harmonics generated from the gradient metasurfaces being used in conjunction with a tunable excitation laser to provide a wide spectral coverage of resonantly-enhanced tunable generation of multiple optical harmonics
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|a Journal Article
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|a high-harmonic generation
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|a metasurface
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|a nonlinear optics
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|a resonances
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1 |
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|a Richter, Felix Ulrich
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tseng, Ming Lun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sinev, Ivan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kruk, Sergey
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Altug, Hatice
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kivshar, Yuri
|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 36(2024), 2 vom: 07. Jan., Seite e2307494
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnas
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| 773 |
1 |
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|g volume:36
|g year:2024
|g number:2
|g day:07
|g month:01
|g pages:e2307494
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| 856 |
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|u http://dx.doi.org/10.1002/adma.202307494
|3 Volltext
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