BINARY PHASE SPATIAL MODULATION USING PHOTOINDUCED ANISOTROPY IN AMORPHOUS AS2S3 THIN-FILM

Authors
KIM HM JEONG JW KWAK CH LEE SS
Citation
Hm. Kim et al., BINARY PHASE SPATIAL MODULATION USING PHOTOINDUCED ANISOTROPY IN AMORPHOUS AS2S3 THIN-FILM, Applied optics, 34(26), 1995, pp. 6008-6011
Citations number
11
Categorie Soggetti
Optics
Journal title
Applied optics → ACNP
ISSN journal
00036935
Volume
34
Issue
26
Year of publication
1995
Pages
6008 - 6011
Database
ISI
SICI code
0003-6935(1995)34:26<6008:BPSMUP>2.0.ZU;2-O
Abstract
We present a method for binary phase spatial modulation that uses phot oinduced anisotropy in a chalcogenide amorphous As2S3 thin film and it s application to binary phase-only filters in a VanderLugt optical cor relator. The time-dependent light-transmission properties of the photo illuminated As2S3 thin film are analytically examined by use of third- order nonlinear polarization theory. Experimental results on optical c orrelation are discussed.