FR2132249A1 - - Google Patents
Info
- Publication number
- FR2132249A1 FR2132249A1 FR7211275A FR7211275A FR2132249A1 FR 2132249 A1 FR2132249 A1 FR 2132249A1 FR 7211275 A FR7211275 A FR 7211275A FR 7211275 A FR7211275 A FR 7211275A FR 2132249 A1 FR2132249 A1 FR 2132249A1
- Authority
- FR
- France
- Prior art keywords
- mask
- information
- polarization
- light beam
- apertures
- 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.)
- Granted
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712116013 DE2116013C (de) | 1971-04-01 | Verfahren zum holografischen Speichern von Informationen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2132249A1 true FR2132249A1 (enExample) | 1972-11-17 |
| FR2132249B1 FR2132249B1 (enExample) | 1975-10-24 |
Family
ID=5803625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7211275A Expired FR2132249B1 (enExample) | 1971-04-01 | 1972-03-30 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3779625A (enExample) |
| BE (1) | BE781582A (enExample) |
| FR (1) | FR2132249B1 (enExample) |
| GB (1) | GB1383836A (enExample) |
| IT (1) | IT950895B (enExample) |
| LU (1) | LU65078A1 (enExample) |
| NL (1) | NL7203296A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS544856B2 (enExample) * | 1974-01-17 | 1979-03-10 |
Family Cites Families (3)
| 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 |
-
1972
- 1972-02-17 GB GB749872A patent/GB1383836A/en not_active Expired
- 1972-03-06 US US00232018A patent/US3779625A/en not_active Expired - Lifetime
- 1972-03-13 NL NL7203296A patent/NL7203296A/xx unknown
- 1972-03-30 FR FR7211275A patent/FR2132249B1/fr not_active Expired
- 1972-03-30 LU LU65078D patent/LU65078A1/xx unknown
- 1972-03-30 IT IT22585/72A patent/IT950895B/it active
- 1972-03-31 BE BE781582A patent/BE781582A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL7203296A (enExample) | 1972-10-03 |
| US3779625A (en) | 1973-12-18 |
| FR2132249B1 (enExample) | 1975-10-24 |
| DE2116013A1 (de) | 1972-10-19 |
| GB1383836A (en) | 1974-02-12 |
| DE2116013B2 (de) | 1973-02-15 |
| LU65078A1 (enExample) | 1972-07-11 |
| IT950895B (it) | 1973-06-20 |
| BE781582A (fr) | 1972-07-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |