DocumentCode
448152
Title
Spatial-polarization state scrambling for image encryption obtained with subwavelength gratings
Author
Biener, Gabriel ; Niv, Avi ; Kleiner, Vladimir ; Hasman, Erez
Author_Institution
Opt. Eng. Lab., Israel Inst. of Technol., Haifa, Israel
Volume
2
fYear
2005
fDate
22-27 May 2005
Firstpage
1043
Abstract
We present an optical encryption/decryption methods based on geometrical phase produced by space-variant polarization manipulation. The elements are formed by use of computer-generated space-variant subwavelength dielectric gratings.
Keywords
cryptography; dielectric devices; diffraction gratings; image coding; light polarisation; computer-generated subwavelength grating; geometrical phase; image encryption; optical decryption method; optical encryption method; space-variant polarization manipulation; space-variant subwavelength dielectric grating; spatial-polarization state scrambling; Cryptography; Data security; Geometrical optics; Gratings; Laboratories; Optical polarization; Optical retarders; Optical surface waves; Periodic structures; Reluctance generators;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics, 2005. (CLEO). Conference on
Print_ISBN
1-55752-795-4
Type
conf
DOI
10.1109/CLEO.2005.202018
Filename
1573084
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