AU2001237766A1 - Phase-encoded multiplexing method using a pseudo-random phase code in a holographic memory system - Google Patents

Phase-encoded multiplexing method using a pseudo-random phase code in a holographic memory system

Info

Publication number
AU2001237766A1
AU2001237766A1 AU2001237766A AU3776601A AU2001237766A1 AU 2001237766 A1 AU2001237766 A1 AU 2001237766A1 AU 2001237766 A AU2001237766 A AU 2001237766A AU 3776601 A AU3776601 A AU 3776601A AU 2001237766 A1 AU2001237766 A1 AU 2001237766A1
Authority
AU
Australia
Prior art keywords
phase
pseudo
memory system
multiplexing method
holographic memory
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.)
Abandoned
Application number
AU2001237766A
Other languages
English (en)
Inventor
Given Not
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.)
KWANGWOON UNIVERSITY
MAXSOFT CO Ltd
Original Assignee
KWANGWOON UNIVERSITY
MAXSOFT CO Ltd
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 KWANGWOON UNIVERSITY, MAXSOFT CO Ltd filed Critical KWANGWOON UNIVERSITY
Publication of AU2001237766A1 publication Critical patent/AU2001237766A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/04—Processes or apparatus for producing holograms
    • G03H1/0402—Recording geometries or arrangements
    • G03H1/041—Optical element in the object space affecting the object beam, not otherwise provided for
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/26—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique
    • G03H1/28—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique superimposed holograms only
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/26—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique
    • G03H1/2645—Multiplexing processes, e.g. aperture, shift, or wavefront multiplexing
    • G03H2001/2675—Phase code multiplexing, wherein the sub-holograms are multiplexed according to spatial modulation of the reference beam
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0065—Recording, reproducing or erasing by using optical interference patterns, e.g. holograms
AU2001237766A 2000-12-13 2001-03-03 Phase-encoded multiplexing method using a pseudo-random phase code in a holographic memory system Abandoned AU2001237766A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020000076259A KR20020046398A (ko) 2000-12-13 2000-12-13 홀로 그래픽 메모리 시스템에서 의사 랜덤 위상 코드를이용한 위상 코드 다중화 방법
KR0076259 2000-12-13
PCT/KR2001/000318 WO2002048800A1 (en) 2000-12-13 2001-03-03 Phase-encoded multiplexing method using a pseudo-random phase code in a holographic memory system

Publications (1)

Publication Number Publication Date
AU2001237766A1 true AU2001237766A1 (en) 2002-06-24

Family

ID=19703042

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001237766A Abandoned AU2001237766A1 (en) 2000-12-13 2001-03-03 Phase-encoded multiplexing method using a pseudo-random phase code in a holographic memory system

Country Status (3)

Country Link
KR (1) KR20020046398A (ko)
AU (1) AU2001237766A1 (ko)
WO (1) WO2002048800A1 (ko)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003058352A1 (en) * 2002-01-05 2003-07-17 Maxsoft Co., Ltd Phase-encoded multiplexing method using complex phase code in holographic memory system
JP2005165033A (ja) 2003-12-03 2005-06-23 Sony Corp ホログラム記録再生装置
CN113791529B (zh) * 2021-08-13 2022-07-08 北京航空航天大学 一种基于衍射模糊成像原理的无串扰全息3d显示方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1065658B1 (en) * 1998-02-27 2009-09-30 Optware Corporation Method and apparatus for optical information, method and apparatus for reproducing optical information, apparatus for recording/reproducing optical information, and optical information recording medium
US6018402A (en) * 1998-03-24 2000-01-25 Lucent Technologies Inc. Apparatus and method for phase-encoding off-axis spatial light modulators within holographic data systems

Also Published As

Publication number Publication date
WO2002048800A1 (en) 2002-06-20
KR20020046398A (ko) 2002-06-21

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