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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 35, Iss. 20 — Jul. 10, 1996
  • pp: 3835–3840

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

L. Nikolova, T. Todorov, M. Ivanov, F. Andruzzi, S. Hvilsted, and P. S. Ramanujam  »View Author Affiliations


Applied Optics, Vol. 35, Issue 20, pp. 3835-3840 (1996)
http://dx.doi.org/10.1364/AO.35.003835


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Abstract

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.

© 1996 Optical Society of America

History
Original Manuscript: July 24, 1995
Revised Manuscript: December 4, 1995
Published: July 10, 1996

Citation
L. Nikolova, T. Todorov, M. Ivanov, F. Andruzzi, S. Hvilsted, and P. S. Ramanujam, "Polarization holographic gratings in side-chain azobenzene polyesters with linear and circular photoanisotropy," Appl. Opt. 35, 3835-3840 (1996)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-35-20-3835


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