TITLE

Recording of polarization holograms in photodarkened amorphous chalcogenide films

AUTHOR(S)
Asatryan, K. E.; Frédérick, S.; Galstian, T.; Vallée, R.
PUB. DATE
March 2004
SOURCE
Applied Physics Letters;3/8/2004, Vol. 84 Issue 10, p1626
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Polarization gratings were recorded in amorphous As[sub 2]S[sub 3] chalcogenide thin films in three orthogonal recording configurations. The analysis of polarization discrimination properties of such vector gratings revealed a poor performance. It was shown that the main reason for this is the presence of nondesired scalar modulation of the same period. An exception is (s+p) recording configuration, where a pure polarization grating may be obtained even for relatively high photoexposures. © 2004 American Institute of Physics.
ACCESSION #
12405741

 

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