Far-infrared quasi-monochromatic perfect absorption in a thin GaAs film on gold

dc.citation.epage	3880	en_US
dc.citation.issue	16	en_US
dc.citation.spage	3877	en_US
dc.citation.volume	40	en_US
dc.citation.woscount	0	en_US
dc.contributor.author	Yen, Shun-Tung	en_US
dc.contributor.author	Chung, Pei-Kang	en_US
dc.contributor.department	電子工程學系及電子研究所	zh_TW
dc.contributor.department	Department of Electronics Engineering and Institute of Electronics	en_US
dc.date.accessioned	2015-12-02T02:59:24Z
dc.date.available	2015-12-02T02:59:24Z
dc.date.issued	2015-08-15	en_US
dc.description.abstract	We study the far-infrared absorption properties of a thin GaAs film on Au. We show that a 1.2-mu m GaAs film on Au can completely absorb an electromagnetic wave of 7.9 THz and totally reflect the waves of frequencies not very close to 7.9 THz. The uniformity of the layered structure enables observation of a quasi-monochromatic, nearly perfect absorption of 96% in a 1.4-mu m GaAs film. The absorption can be high for a wide range of incident angles. (C) 2015 Optical Society of America	en_US
dc.identifier.doi	10.1364/OL.40.003877	en_US
dc.identifier.issn	0146-9592	en_US
dc.identifier.journal	OPTICS LETTERS	en_US
dc.identifier.uri	http://dx.doi.org/10.1364/OL.40.003877	en_US
dc.identifier.uri	https://ir.lib.nycu.edu.tw/handle/11536/128153
dc.identifier.wosnumber	WOS:000359727800050	en_US
dc.language.iso	en_US	en_US
dc.title	Far-infrared quasi-monochromatic perfect absorption in a thin GaAs film on gold	en_US
dc.type	Article	en_US

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