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Light absorber with...
Light absorber with an ultra-broad flat band based on multi-sized slow-wave hyperbolic metamaterial thin-films
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- He, Sailing (author)
- KTH,Elektroteknisk teori och konstruktion,Zhejiang-KTH Joint Research Center of Photonics, JORCEP
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Ding, F. (author)
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Mo, L. (author)
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Bao, F. (author)
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(creator_code:org_t)
- 2014
- 2014
- English.
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In: Progress In Electromagnetics Research. - 1070-4698 .- 1559-8985. ; 147, s. 69-79
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.2...
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Abstract
Subject headings
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- Here we realize a broadband absorber by using a hyperbolic metamaterial composed of alternating aluminum-alumina thin films based on superposition of multiple slow-wave modes. Our super absorber ensures broadband and polarization-insensitive light absorption over almost the entire solar spectrum, near-infrared and short-wavelength infrared regime (500-2500 nm) with a simulated absorption of over 90%. The designed structure is fabricated and the measured results are given. This absorber yields an average measured absorption of 85% in the spectrum ranging from 500nm to 2300 nm. The proposed absorbers open an avenue towards realizing thermal emission and energy- harvesting materials.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Keyword
- Terahertz Regime
- Absorption
- Design
- Slab
Publication and Content Type
- ref (subject category)
- art (subject category)
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