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Browsing by Author "Lai, Kou-Wei"

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    Long-wavelength mid-infrared reflectors using guided-mode resonance
    (2013-10-01)
    Lai, Kou-Wei
    ;
    Lin, Sheng-Di
    ;
    Li, Zong-Lin
    ;
    Wang, Chi-Cheng
    ;
    電子工程學系及電子研究所
    We have proposed and fabricated a new mid-infrared reflector using the guided-mode resonance (GMR). The GMR reflector consists of subwavelength Ge grating on GaAs substrate with a low-refractive-index SiOx layer in between. With a total thickness of about 2 mu m, a near-100% reflectivity at 8 mu m has been obtained both theoretically and experimentally. (C) 2013 Optical Society of America