Geometrical phase image encryption obtained with space-variant subwavelength gratings

2005 ◽  
Vol 30 (10) ◽  
pp. 1096 ◽  
Author(s):  
Gabriel Biener ◽  
Avi Niv ◽  
Vladimir Kleiner ◽  
Erez Hasman
Keyword(s):  
Image Encryption ◽  
Phase Image ◽  
Subwavelength Gratings ◽  
Geometrical Phase ◽  
Space Variant

Space-variant polarization scrambling for image encryption obtained with subwavelength gratings

2006 ◽  
Vol 261 (1) ◽  
pp. 5-12 ◽  
Author(s):  
Gabriel Biener ◽  
Avi Niv ◽  
Vladimir Kleiner ◽  
Erez Hasman
Keyword(s):  
Image Encryption ◽  
Subwavelength Gratings ◽  
Space Variant

Formation of linearly polarized light with axial symmetry by use of space-variant subwavelength gratings

2003 ◽  
Vol 28 (7) ◽  
pp. 510 ◽  
Author(s):  
Avi Niv ◽  
Gabriel Biener ◽  
Vladimir Kleiner ◽  
Erez Hasman
Keyword(s):  
Axial Symmetry ◽  
Polarized Light ◽  
Use Of Space ◽  
Subwavelength Gratings ◽  
Linearly Polarized ◽  
Space Variant

Space-variant Pancharatnam–Berry phase optical elements with computer-generated subwavelength gratings

2002 ◽  
Vol 27 (13) ◽  
pp. 1141 ◽  
Author(s):  
Ze’ev Bomzon ◽  
Gabriel Biener ◽  
Vladimir Kleiner ◽  
Erez Hasman
Keyword(s):  
Berry Phase ◽  
Optical Elements ◽  
Subwavelength Gratings ◽  
Space Variant

Double phase-image encryption using gyrator transforms, and structured phase mask in the frequency plane

2015 ◽  
Vol 67 ◽  
pp. 145-156 ◽  
Author(s):  
Hukum Singh ◽  
A.K. Yadav ◽  
Sunanda Vashisth ◽  
Kehar Singh
Keyword(s):  
Image Encryption ◽  
Phase Mask ◽  
Phase Image ◽  
Double Phase

Nondiffracting periodically space-variant polarization beams with subwavelength gratings

2002 ◽  
Vol 80 (20) ◽  
pp. 3685-3687 ◽  
Author(s):  
Ze’ev Bomzon ◽  
Avi Niv ◽  
Gabriel Biener ◽  
Vladimir Kleiner ◽  
Erez Hasman
Keyword(s):  
Subwavelength Gratings ◽  
Space Variant

Rotating vectorial vortices produced by space-variant subwavelength gratings

2005 ◽  
Vol 30 (21) ◽  
pp. 2933 ◽  
Author(s):  
Avi Niv ◽  
Gabriel Biener ◽  
Vladimir Kleiner ◽  
Erez Hasman
Keyword(s):  
Subwavelength Gratings ◽  
Space Variant
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