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Trade-offs in absor...
Trade-offs in absorption and scattering by nanophotonic structures
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- Schab, Kurt (författare)
- Santa Clara University
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- Rothschild, Austin (författare)
- Santa Clara University
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- Nguyen, Kristi (författare)
- Santa Clara University
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- Capek, Miloslav (författare)
- Czech Technical University in Prague
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- Jelinek, Lukas (författare)
- Czech Technical University in Prague
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- Gustafsson, Mats (författare)
- Lund University,Lunds universitet,Teoretisk elektroteknik,Forskargrupper vid Lunds universitet,Electromagnetic Theory,Lund University Research Groups
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(creator_code:org_t)
- 2020
- 2020
- Engelska 16 s.
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Ingår i: Optics Express. - 1094-4087. ; 28:24, s. 36584-36599
- Relaterad länk:
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http://dx.doi.org/10... (free)
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Trade-offs between absorption and scattering cross sections of lossy obstacles confined to an arbitrarily shaped volume are formulated as a multi-objective optimization problem solvable by Lagrangian-dual methods. Solutions to this optimization problem yield a Pareto-optimal set, the shape of which reveals the feasibility of achieving simultaneously extremal absorption and scattering. Two forms of the trade-off problems are considered involving both pre-assigned loss and reactive material parameters. Numerical comparisons between the derived multi-objective bounds and several classes of realized structures are made. Additionally, low-frequency (electrically small, long wavelength) limits are examined for certain special cases.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Annan elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Other Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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