Geometrical phase image encryption obtained with space-variant subwavelength gratings.
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Summary
An optical encryption method based on a geometrical phase produced by space-variant polarization manipulation is presented and theoretical analyses of the optical concept are presented along with experimental results.
- Type
- article
- Published
- 2005-05-15
- Cited by
- 43
- References
- 12
- OpenAlex
- https://openalex.org/W2013674937
- Semantic Scholar
- https://api.semanticscholar.org/CorpusID:31093526
Keywords
Optics, Encryption, Polarization (electrochemistry), Dielectric, Materials science
References
- Propagation-invariant vectorial Bessel beams obtained by use of quantized Pancharatnam-Berry phase optical elements.
- A phase-based optical encryption system with polarisation encoding
- Progress in optics
- A polarization encoded optical encryption system using ferroelectric spatial light modulator
- Fully phase encrypted image processor
- Polarization dependent focusing lens by use of quantized Pancharatnam–Berry phase diffractive optics
- Quantal phase factors accompanying adiabatic changes
- Optical image encryption based on input plane and Fourier plane random encoding.
- Optical pattern recognition for validation and security verification
- Generalized theory of interference, and its applications
- Optical pattern recognition for validation and security verification
Cited by
- Design And Fabrication Of Space Variant Micro Optical Elements
- Functional and nonlinear optical metasurfaces
- Space-variant polarization scrambling for image encryption obtained with subwavelength gratings
- Information encryption and compression based on random polarization modulation in a joint transform correlator scheme under vector beam illumination
- Novel method for the fabrication of spatially variant structures
- Three-dimensional polarization marked multiple-QR code encryption by optimizing a single vectorial beam
- Thermal image encryption obtained with a SiO2 space-variant subwavelength grating supporting surface phonon-polaritons.
- Nonlinear optical cryptosystem based on joint Fresnel transform correlator under vector wave illumination
- Digital optics, digital holography, and optical encryption
- Vectorial vortices obtained with quantized Pancharatnam-Berry phase optical elements
- Metasurface holograms for visible light
- Securing complex and multi-plane data in a lens-less digital holographic information system that uses position-phase-shifting geometry
- Ultra-high-efficiency metamaterial polarizer
- Planar Photonics with Metasurfaces
- Spatial-polarization state scrambling for image encryption obtained with subwavelength gratings
- Multiplexing encrypted data by using polarized light
- Fabrication of variable effective refractive index artificial media
- Lensless complex data encoding for digital holographic whole information security
- Periodically aligned liquid crystal cell for projection displays
- Optical image encoding based on digital holographic recording on polarization state of vector wave.
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