TITLE

Biphotonic holographic gratings in azobenzene polyesters: Surface relief phenomena and polarization effects

AUTHOR(S)
Sánchez, C.; Alcalá, R.; Hvilsted, S.; Ramanujam, P. S.
PUB. DATE
September 2000
SOURCE
Applied Physics Letters;9/4/2000, Vol. 77 Issue 10
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Biphotonic holographic gratings have been recorded in a side-chain azobenzene liquid crystalline polyester using a blue incoherent source and a He-Ne laser. Intensity gratings and the appearance of surface relief have been observed when two linearly polarized beams from a He-Ne laser are made to interfere on a film illuminated with blue light. Polarized holographic gratings are also created with two orthogonally circularly polarized He-Ne beams. All these gratings are stable in darkness but can be erased with blue light. © 2000 American Institute of Physics.
ACCESSION #
4413157

 

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