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Tuning the Optical Properties of Inverse Opal Photonic Crystals by Deformation
Author(s) -
Sumioka K.,
Kayashima H.,
Tsutsui T.
Publication year - 2002
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/1521-4095(20020916)14:18<1284::aid-adma1284>3.0.co;2-1
Subject(s) - materials science , photonic crystal , wavelength , inverse , elongation , spheres , deformation (meteorology) , stopband , optics , blueshift , polymer , optoelectronics , composite material , photoluminescence , geometry , mathematics , physics , resonator , astronomy , ultimate tensile strength
Simple uniaxial elongation of the air spheres in polymer inverse opal is used to tune the material’s stop band. Stretching causes the distance between the (111) planes parallel to the film surface to decrease, resulting in a shift of the stop band to shorter wavelength. This is coupled with a shift to longer wavelength of the stop band associated with periodicity in the stretching direction. The Figure shows the resulting elongated air voids.