CH527432A - Helogrammspeicher - Google Patents

Helogrammspeicher

Info

Publication number
CH527432A
CH527432A CH899371A CH899371A CH527432A CH 527432 A CH527432 A CH 527432A CH 899371 A CH899371 A CH 899371A CH 899371 A CH899371 A CH 899371A CH 527432 A CH527432 A CH 527432A
Authority
CH
Switzerland
Prior art keywords
helogram
memory
helogram memory
Prior art date
Application number
CH899371A
Other languages
English (en)
Inventor
Allen Phelps Robert
Joseph Negrelli Thomas
Original Assignee
Ncr Co
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 Ncr Co filed Critical Ncr Co
Publication of CH527432A publication Critical patent/CH527432A/de

Links

Classifications

    • 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
    • G03H1/16—Processes or apparatus for producing holograms using Fourier transform
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S359/00—Optical: systems and elements
    • Y10S359/90—Methods

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Holo Graphy (AREA)
CH899371A 1970-06-18 1971-06-18 Helogrammspeicher CH527432A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4737270A 1970-06-18 1970-06-18

Publications (1)

Publication Number Publication Date
CH527432A true CH527432A (de) 1972-08-31

Family

ID=21948590

Family Applications (1)

Application Number Title Priority Date Filing Date
CH899371A CH527432A (de) 1970-06-18 1971-06-18 Helogrammspeicher

Country Status (10)

Country Link
US (1) US3608992A (de)
JP (1) JPS5240219B1 (de)
BE (1) BE768628A (de)
CA (1) CA938142A (de)
CH (1) CH527432A (de)
DE (1) DE2129806C3 (de)
ES (1) ES392240A1 (de)
FR (1) FR2095325B1 (de)
GB (1) GB1295018A (de)
ZA (1) ZA713397B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3652144A (en) * 1970-09-09 1972-03-28 Radiation Inc Amplitude weighting in holography
US3869193A (en) * 1973-09-18 1975-03-04 Honeywell Inc Optical memory with improved signal-to-noise ratio
JPS53164325U (de) * 1977-05-27 1978-12-22
JPS5567114U (de) * 1978-10-28 1980-05-09
JPS5571122U (de) * 1978-11-09 1980-05-16
US5148323A (en) * 1991-08-09 1992-09-15 Rockwell International Corporation Local reference beam generator
US5668647A (en) * 1994-01-04 1997-09-16 Lucent Technologies Inc. Method and apparatus and for processing ultrafast optical signals
US5528389A (en) * 1994-01-04 1996-06-18 At&T Corp. Optical holographic system for parallel to serial and serial to parallel conversion of optical data
US6580845B1 (en) 2000-08-11 2003-06-17 General Nutronics, Inc. Method and device for switching wavelength division multiplexed optical signals using emitter arrays

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3544197A (en) * 1967-03-23 1970-12-01 Research Corp Optical crosscorrelation
US3501221A (en) * 1967-06-29 1970-03-17 Ibm Optical filtering

Also Published As

Publication number Publication date
FR2095325A1 (de) 1972-02-11
US3608992A (en) 1971-09-28
GB1295018A (de) 1972-11-01
DE2129806A1 (de) 1971-12-23
DE2129806B2 (de) 1975-04-24
BE768628A (fr) 1971-11-03
JPS5240219B1 (de) 1977-10-11
ES392240A1 (es) 1974-07-16
DE2129806C3 (de) 1975-12-11
CA938142A (en) 1973-12-11
ZA713397B (en) 1972-01-26
FR2095325B1 (de) 1975-04-18

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Legal Events

Date Code Title Description
PL Patent ceased