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.
Spatial-polarization state scrambling for image encryption obtained with subwavelength gratings
(CLEO). Conference on Lasers and Electro-Optics, 2005. ; 2 ; 1043-1045 Vol. 2
01.01.2005
1945885 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
Spatial-Polarization State Scrambling for Image Encryption Obtained with Subwavelength Gratings
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