IT950895B - Sistema per la memorizzazione olografica di informazioni - Google Patents

Sistema per la memorizzazione olografica di informazioni

Info

Publication number
IT950895B
IT950895B IT22585/72A IT2258572A IT950895B IT 950895 B IT950895 B IT 950895B IT 22585/72 A IT22585/72 A IT 22585/72A IT 2258572 A IT2258572 A IT 2258572A IT 950895 B IT950895 B IT 950895B
Authority
IT
Italy
Prior art keywords
information
mask
polarization
light beam
holographic storage
Prior art date
Application number
IT22585/72A
Other languages
English (en)
Original Assignee
Siemens Ag
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
Priority claimed from DE19712116013 external-priority patent/DE2116013C/de
Application filed by Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of IT950895B publication Critical patent/IT950895B/it

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
    • G11C13/042—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using information stored in the form of interference pattern
    • 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
    • G03H1/30—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique discrete 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
    • G03H1/04—Processes or apparatus for producing holograms
    • G03H1/0465—Particular recording light; Beam shape or geometry
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2210/00—Object characteristics
    • G03H2210/10—Modulation characteristics, e.g. amplitude, phase, polarisation
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2222/00—Light sources or light beam properties
    • G03H2222/31—Polarised light
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2223/00—Optical components
    • G03H2223/17—Element having optical power
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2223/00—Optical components
    • G03H2223/19—Microoptic array, e.g. lens array

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Holo Graphy (AREA)
  • Optical Recording Or Reproduction (AREA)
IT22585/72A 1971-04-01 1972-03-30 Sistema per la memorizzazione olografica di informazioni IT950895B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712116013 DE2116013C (de) 1971-04-01 Verfahren zum holografischen Speichern von Informationen

Publications (1)

Publication Number Publication Date
IT950895B true IT950895B (it) 1973-06-20

Family

ID=5803625

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22585/72A IT950895B (it) 1971-04-01 1972-03-30 Sistema per la memorizzazione olografica di informazioni

Country Status (7)

Country Link
US (1) US3779625A (it)
BE (1) BE781582A (it)
FR (1) FR2132249B1 (it)
GB (1) GB1383836A (it)
IT (1) IT950895B (it)
LU (1) LU65078A1 (it)
NL (1) NL7203296A (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS544856B2 (it) * 1974-01-17 1979-03-10

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3614191A (en) * 1968-03-29 1971-10-19 Nippon Electric Co Associative memory employing holography
US3627401A (en) * 1969-02-24 1971-12-14 Ibm Binary-coded hologram recording system
US3604778A (en) * 1969-10-22 1971-09-14 Bell Telephone Labor Inc Fourier transform recording with random phase shifting

Also Published As

Publication number Publication date
BE781582A (fr) 1972-07-17
NL7203296A (it) 1972-10-03
FR2132249A1 (it) 1972-11-17
US3779625A (en) 1973-12-18
GB1383836A (en) 1974-02-12
LU65078A1 (it) 1972-07-11
DE2116013B2 (de) 1973-02-15
FR2132249B1 (it) 1975-10-24
DE2116013A1 (de) 1972-10-19

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