DE69943127D1 - Optisches ver- und entschlüsselungssystem - Google Patents

Optisches ver- und entschlüsselungssystem

Info

Publication number
DE69943127D1
DE69943127D1 DE69943127T DE69943127T DE69943127D1 DE 69943127 D1 DE69943127 D1 DE 69943127D1 DE 69943127 T DE69943127 T DE 69943127T DE 69943127 T DE69943127 T DE 69943127T DE 69943127 D1 DE69943127 D1 DE 69943127D1
Authority
DE
Germany
Prior art keywords
sub
mask
decrypting
phi
phase value
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69943127T
Other languages
English (en)
Inventor
Jesper Glueckstad
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Danmarks Tekniskie Universitet
Original Assignee
Danmarks Tekniskie Universitet
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Danmarks Tekniskie Universitet filed Critical Danmarks Tekniskie Universitet
Application granted granted Critical
Publication of DE69943127D1 publication Critical patent/DE69943127D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/46—Systems using spatial filters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Holo Graphy (AREA)
  • Cash Registers Or Receiving Machines (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Cable Accessories (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
DE69943127T 1998-07-03 1999-06-16 Optisches ver- und entschlüsselungssystem Expired - Lifetime DE69943127D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DKPA199800869 1998-07-03
DKPA199900364 1999-03-15
PCT/DK1999/000331 WO2000002339A1 (en) 1998-07-03 1999-06-16 An optical encryption and decryption method and system

Publications (1)

Publication Number Publication Date
DE69943127D1 true DE69943127D1 (de) 2011-02-24

Family

ID=26063860

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69943127T Expired - Lifetime DE69943127D1 (de) 1998-07-03 1999-06-16 Optisches ver- und entschlüsselungssystem

Country Status (7)

Country Link
US (1) US6907124B1 (de)
EP (1) EP1093689B1 (de)
AT (1) ATE495596T1 (de)
AU (1) AU4359799A (de)
DE (1) DE69943127D1 (de)
DK (1) DK1093689T3 (de)
WO (1) WO2000002339A1 (de)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7221760B2 (en) * 2001-03-30 2007-05-22 The University Of Connecticut Information security using digital holography
US7365858B2 (en) * 2001-12-18 2008-04-29 Massachusetts Institute Of Technology Systems and methods for phase measurements
US7557929B2 (en) 2001-12-18 2009-07-07 Massachusetts Institute Of Technology Systems and methods for phase measurements
EP1604259A1 (de) * 2003-03-11 2005-12-14 Koninklijke Philips Electronics N.V. Betrachten maskierter bilder
EP1733290B1 (de) * 2004-03-31 2007-09-19 Danmarks Tekniske Universitet Erzeugung eines gewünschten dreidimensionalen elektromagnetischen feldes
US7697191B2 (en) * 2004-07-15 2010-04-13 Danmarks Tekniske Universitet Generation of a desired three-dimensional electromagnetic field
EP1739977A3 (de) * 2005-06-27 2010-10-20 Sony Corporation Dreidimensionale Anzeigevorrichtung
JP4630150B2 (ja) * 2005-07-26 2011-02-09 シャープ株式会社 立体画像記録装置及びプログラム
EP1943605A1 (de) * 2005-11-04 2008-07-16 Christian Hogl Verfahren und system zum übertragen von daten von einer ersten datenverarbeitungseinrichtung an eine zweite datenverarbeitungseinrichtung
DE102005062397A1 (de) * 2005-12-23 2007-07-05 Deutsches Zentrum für Luft- und Raumfahrt e.V. Optisches System sowie ein Verfahren zur Bildaufnahme
WO2008010790A1 (en) * 2006-07-18 2008-01-24 Celloptic, Inc. System, apparatus and method for extracting three-dimensional information of an object from received electromagnetic radiation
US20080084592A1 (en) * 2006-10-09 2008-04-10 General Electric Company Molded Article Incorporating Volume Hologram
CN100495125C (zh) * 2006-10-24 2009-06-03 中国科学院上海光学精密机械研究所 实时光学图像加密方法和装置
US20080219579A1 (en) * 2007-03-05 2008-09-11 Aksyuk Vladimir A Methods and Apparatus for Compressed Imaging Using Modulation in Pupil Plane
US8792640B2 (en) * 2008-01-29 2014-07-29 Sony Corporation Systems and methods for securing a digital communications link
JP2009294509A (ja) * 2008-06-06 2009-12-17 Sony Corp ３次元像表示装置
US8280054B2 (en) * 2009-04-30 2012-10-02 Hewlett-Packard Development Company, L.P. Scrambling and descrambling systems for secure communication
US20140084066A1 (en) * 2011-04-29 2014-03-27 Danmarks Tekniske Universitet Phase encoding in micrograting-based anticountefeit devices
WO2016087393A1 (en) 2014-12-01 2016-06-09 Danmarks Tekniske Universitet Multi-wavelength generalized phase contrast system and method
DE102014225002A1 (de) 2014-12-05 2016-06-09 Universität Rostock Verfahren und Vorrichtung zur Entschlüsselung und Verschlüsselung
WO2016095927A1 (en) * 2014-12-16 2016-06-23 Danmarks Tekniske Universitet Integrated optical device
FR3038193B1 (fr) * 2015-06-26 2018-07-13 Commissariat A L'energie Atomique Et Aux Energies Alternatives Procede de conception d'un systeme d'imagerie, filtre spatial et systeme d'imagerie comportant un tel filtre spatial
CN105676498B (zh) * 2016-03-23 2018-09-28 北京航空航天大学 纯相位型空间光调制器的振幅调制方法及装置
US10419154B2 (en) 2016-06-20 2019-09-17 Raytheon Company Systems and methods for encrypting optical signals
CN106444012B (zh) * 2016-08-31 2019-06-21 上海交通大学 实现空间光幅度相位高精度调制的装置及方法
US10866186B2 (en) * 2017-01-03 2020-12-15 Board Of Supervisors Louisiana State University And Agricultural And Mechanical College System and method for focusing color Schlieren diagnostics
CN107318028B (zh) * 2017-06-23 2019-12-17 福建师范大学 多图像加解密方法及计算机可读存储介质
CN109285107B (zh) * 2018-11-02 2023-02-24 北京理工大学 一种基于小凹系统的局部光学加解密系统
US11994785B2 (en) * 2020-06-03 2024-05-28 Raytheon Company Dispersive beam steering based on optical-frequency shift patterns
CN111861850B (zh) * 2020-07-21 2022-04-29 中国科学院大学 一种叠层成像的信息隐藏方法及系统
CN113918962B (zh) * 2021-09-07 2024-05-28 北京理工大学 一种基于小凹二重光学秘钥的光学信息安全系统
CN113938208A (zh) * 2021-10-20 2022-01-14 东莞理工学院 一种关联成像加密通信系统的解密方法
CN116226892B (zh) * 2023-05-08 2023-07-21 之江实验室 一种数据加密方法、装置、存储介质及电子设备

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5148316A (en) * 1989-10-03 1992-09-15 The United States Of America As Represented By The Secretary Of The Air Force Averaged amplitude encoded phase-only filters for use in Fourier transform optical correlators
JPH0473790A (ja) 1990-07-13 1992-03-09 Nippon Telegr & Teleph Corp <Ntt> 暗号化方法及び暗号化装置
DE69622406D1 (de) * 1995-04-28 2002-08-22 Forskningsct Riso Roskilde Phasenkontrastbilderzeugung
US5903648A (en) 1996-02-06 1999-05-11 The University Of Connecticut Method and apparatus for encryption

Also Published As

Publication number Publication date
ATE495596T1 (de) 2011-01-15
AU4359799A (en) 2000-01-24
EP1093689A1 (de) 2001-04-25
WO2000002339A1 (en) 2000-01-13
DK1093689T3 (da) 2011-05-02
US6907124B1 (en) 2005-06-14
EP1093689B1 (de) 2011-01-12

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