Polarization holographic gratings in side-chain azobenzene polyesters with linear and circular photoanisotropy

Publication: Research - peer-reviewJournal article – Annual report year: 1996

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We investigate thin phase polarization holographic gratings recorded with two waves with orthogonal linear polarizations in materials in which illumination with linearly/circularly polarized light gives rise to linear/circular birefringence. The theoretical analysis shows that the presence of circular photoanisotropy changes significantly the diffraction characteristics of the gratings. The intensities of the waves diffracted in the +1 and -1 orders of diffraction and their ratio depend substantially on the reconstructing-wave polarization. Experiments with films of side-chain liquid-crystalline azobenzene polyester that is a photoanisotropic material of the considered type confirm the unusual polarization properties. It is shown that polarization holography may be used for real-time simultaneous measurement of photoinduced linear and circular birefringence.
Original languageEnglish
JournalApplied Optics
Publication date1996
Volume35
Journal number20
Pages3835-3840
ISSN0003-6935
DOIs
StatePublished
CitationsWeb of Science® Times Cited: 127

Keywords

  • Polarization holographic gratings, Photoanisotropy, Side-chain azobenzene polyesters
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