Optical encryption method using toroidal zone plates
ABSTRACT: We present the implementation of an optical encryption method using zone plates. The optical security system is based on a computer generated phase mask. In particular, for this proposal the selected phase mask is a toroidal zone plate. In the encryption process we use an optical processor...
- Autores:
-
Barrera Ramírez, John Fredy
Henao Henao, Rodrigo
Torroba, Roberto Daniel
- Tipo de recurso:
- Article of investigation
- Fecha de publicación:
- 2005
- Institución:
- Universidad de Antioquia
- Repositorio:
- Repositorio UdeA
- Idioma:
- eng
- OAI Identifier:
- oai:bibliotecadigital.udea.edu.co:10495/8139
- Acceso en línea:
- http://hdl.handle.net/10495/8139
- Palabra clave:
- Encriptación óptica
Placa zonal
Máscara de fase
Cifrado óptico
- Rights
- openAccess
- License
- https://creativecommons.org/licenses/by-nc-nd/4.0/
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Optical encryption method using toroidal zone plates |
| title |
Optical encryption method using toroidal zone plates |
| spellingShingle |
Optical encryption method using toroidal zone plates Encriptación óptica Placa zonal Máscara de fase Cifrado óptico |
| title_short |
Optical encryption method using toroidal zone plates |
| title_full |
Optical encryption method using toroidal zone plates |
| title_fullStr |
Optical encryption method using toroidal zone plates |
| title_full_unstemmed |
Optical encryption method using toroidal zone plates |
| title_sort |
Optical encryption method using toroidal zone plates |
| dc.creator.fl_str_mv |
Barrera Ramírez, John Fredy Henao Henao, Rodrigo Torroba, Roberto Daniel |
| dc.contributor.author.none.fl_str_mv |
Barrera Ramírez, John Fredy Henao Henao, Rodrigo Torroba, Roberto Daniel |
| dc.contributor.researchgroup.spa.fl_str_mv |
Grupo de Optica y Fotónica |
| dc.subject.proposal.spa.fl_str_mv |
Encriptación óptica Placa zonal Máscara de fase Cifrado óptico |
| topic |
Encriptación óptica Placa zonal Máscara de fase Cifrado óptico |
| description |
ABSTRACT: We present the implementation of an optical encryption method using zone plates. The optical security system is based on a computer generated phase mask. In particular, for this proposal the selected phase mask is a toroidal zone plate. In the encryption process we use an optical processor where this phase mask is placed in the Fourier plane of the object to be encrypted. The original-data recovering is performed by digital reconstruction using the conjugate of the encryption mask. The different phase encoding procedures show that the diffraction efficiency of zone plates is relevant to the decryption process. Computer simulations are presented to demonstrate the validity of the method. |
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2005 |
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2005 |
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2017-09-06T19:29:53Z |
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2017-09-06T19:29:53Z |
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Artículo de investigación |
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Barrera Ramírez, J. F., Henao Henao, R., & Torroba, R. D. (2005). Optical encryption method using toroidal zone plates. Optics Communications. 248, 35-40. DOI:10.1016/j.optcom.2004.11.086 |
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0030-4018 |
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http://hdl.handle.net/10495/8139 |
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10.1016/j.optcom.2004.11.086 |
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Barrera Ramírez, J. F., Henao Henao, R., & Torroba, R. D. (2005). Optical encryption method using toroidal zone plates. Optics Communications. 248, 35-40. DOI:10.1016/j.optcom.2004.11.086 0030-4018 10.1016/j.optcom.2004.11.086 |
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http://hdl.handle.net/10495/8139 |
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eng |
| language |
eng |
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40 |
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35 |
| dc.relation.citationvolume.spa.fl_str_mv |
248 |
| dc.relation.ispartofjournal.spa.fl_str_mv |
Optics Communications |
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https://creativecommons.org/licenses/by-nc-nd/4.0/ |
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http://creativecommons.org/licenses/by-nc-nd/2.5/co/ |
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Barrera Ramírez, John FredyHenao Henao, RodrigoTorroba, Roberto DanielGrupo de Optica y Fotónica2017-09-06T19:29:53Z2017-09-06T19:29:53Z2005Barrera Ramírez, J. F., Henao Henao, R., & Torroba, R. D. (2005). Optical encryption method using toroidal zone plates. Optics Communications. 248, 35-40. DOI:10.1016/j.optcom.2004.11.0860030-4018http://hdl.handle.net/10495/813910.1016/j.optcom.2004.11.086ABSTRACT: We present the implementation of an optical encryption method using zone plates. The optical security system is based on a computer generated phase mask. In particular, for this proposal the selected phase mask is a toroidal zone plate. In the encryption process we use an optical processor where this phase mask is placed in the Fourier plane of the object to be encrypted. The original-data recovering is performed by digital reconstruction using the conjugate of the encryption mask. The different phase encoding procedures show that the diffraction efficiency of zone plates is relevant to the decryption process. Computer simulations are presented to demonstrate the validity of the method.COL0010789application/pdfengNorth-HollandHolandahttps://creativecommons.org/licenses/by-nc-nd/4.0/http://creativecommons.org/licenses/by-nc-nd/2.5/co/Atribución-NoComercial-SinDerivadas 2.5 Colombiainfo:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Optical encryption method using toroidal zone platesArtículo de investigaciónhttp://purl.org/coar/resource_type/c_2df8fbb1https://purl.org/redcol/resource_type/ARThttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionEncriptación ópticaPlaca zonalMáscara de faseCifrado óptico4035248Optics CommunicationsPublicationORIGINALBarreraJohn_2005_OpticalEncryptionMethod.pdfBarreraJohn_2005_OpticalEncryptionMethod.pdfArtículo de investigaciónapplication/pdf414084https://bibliotecadigital.udea.edu.co/bitstreams/4c17cb08-6e6c-4f36-9b67-fa10fcc63d21/download6b43279e9318d04883806303a1ef0bc1MD51trueAnonymousREADCC-LICENSElicense_urllicense_urltext/plain; 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