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  • Title: Cavity-resonator-integrated guided-mode resonance filter for aperture miniaturization.
    Author: Kintaka K, Majima T, Inoue J, Hatanaka K, Nishii J, Ura S.
    Journal: Opt Express; 2012 Jan 16; 20(2):1444-9. PubMed ID: 22274488.
    Abstract:
    A guided-mode resonance filter integrated in a waveguide cavity resonator constructed by two distributed Bragg reflectors is designed and fabricated for miniaturization of aperture size. Reflection efficiency of >90% and wavelength selectivity of 0.4 nm are predicted in the designed SiO(2)-based filter with 50-μm aperture by a numerical calculation using the finite-difference time-domain method. A maximum reflectance of 67% with 0.5-nm bandwidth is experimentally demonstrated by the fabricated device at around 850-nm wavelength.
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