Microstructure of a poled surface-relief grating and its electro-optic response

The microstructure of a poled surface-relief grating of an azobenzene side-chain polymer film is investigated. From the in situ monitoring of diffraction efficiency and second-harmonic generation, as well as dynamic-contact electrostatic force microscopy images, the point group symmetry of C2nu is i...

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Bibliographic Details
Published inOptics letters Vol. 30; no. 2; p. 183
Main Authors Chang, Hye Jeong, Kang, Boyoung, Choi, Hyunhee, Wu, J W
Format Journal Article
LanguageEnglish
Published United States 15.01.2005
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Summary:The microstructure of a poled surface-relief grating of an azobenzene side-chain polymer film is investigated. From the in situ monitoring of diffraction efficiency and second-harmonic generation, as well as dynamic-contact electrostatic force microscopy images, the point group symmetry of C2nu is identified. The polarization-dependent electro-optic measurement of the reflected diffraction order further confirms the optically biaxial structure of the poled surface-relief grating.
ISSN:0146-9592
DOI:10.1364/OL.30.000183