GB1342501A - Holographic memory with same reference beam used for writing and reading - Google Patents
Holographic memory with same reference beam used for writing and readingInfo
- Publication number
- GB1342501A GB1342501A GB1007071A GB1007071A GB1342501A GB 1342501 A GB1342501 A GB 1342501A GB 1007071 A GB1007071 A GB 1007071A GB 1007071 A GB1007071 A GB 1007071A GB 1342501 A GB1342501 A GB 1342501A
- Authority
- GB
- United Kingdom
- Prior art keywords
- writing
- ray
- reading
- reference beam
- incident
- 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
Links
- 239000013078 crystal Substances 0.000 abstract 2
- 230000000694 effects Effects 0.000 abstract 2
- 230000010287 polarization Effects 0.000 abstract 2
- 229910021532 Calcite Inorganic materials 0.000 abstract 1
- 230000001066 destructive effect Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
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
- G03H1/26—Processes or apparatus specially adapted to produce multiple sub- holograms or to obtain images from them, e.g. multicolour technique
-
- 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
- G11C13/043—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 using magnetic-optical storage elements
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 |
|---|---|---|---|
| US3128470A | 1970-04-23 | 1970-04-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1342501A true GB1342501A (en) | 1974-01-03 |
Family
ID=21858591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1007071A Expired GB1342501A (en) | 1970-04-23 | 1971-04-20 | Holographic memory with same reference beam used for writing and reading |
Country Status (5)
| Country | Link |
|---|---|
| CA (1) | CA947560A (enExample) |
| DE (1) | DE2120007C3 (enExample) |
| FR (1) | FR2086283B1 (enExample) |
| GB (1) | GB1342501A (enExample) |
| NL (1) | NL7105465A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114122899B (zh) * | 2022-01-28 | 2022-04-05 | 苏州长光华芯光电技术股份有限公司 | 一种波长锁定系统 |
-
1971
- 1971-04-14 CA CA110,378A patent/CA947560A/en not_active Expired
- 1971-04-20 GB GB1007071A patent/GB1342501A/en not_active Expired
- 1971-04-22 NL NL7105465A patent/NL7105465A/xx unknown
- 1971-04-22 FR FR7114414A patent/FR2086283B1/fr not_active Expired
- 1971-04-23 DE DE19712120007 patent/DE2120007C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2120007A1 (de) | 1971-11-11 |
| FR2086283A1 (enExample) | 1971-12-31 |
| FR2086283B1 (enExample) | 1976-02-06 |
| DE2120007C3 (de) | 1974-10-03 |
| DE2120007B2 (de) | 1974-03-07 |
| CA947560A (en) | 1974-05-21 |
| NL7105465A (enExample) | 1971-10-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3368209A (en) | Laser actuated curie point recording and readout system | |
| US5325324A (en) | Three-dimensional optical memory | |
| US3631411A (en) | Electrically and optically accessible memory | |
| Rajchman | Promise of optical memories | |
| US4012108A (en) | Hologram memory apparatus | |
| US5150228A (en) | Real-time edge-enhanced optical correlator | |
| US6031643A (en) | Method for holographic storage | |
| US4221471A (en) | Liquid crystal memory device and method of utilizing same | |
| US3625617A (en) | Kerr effect read-out system for an optical memory | |
| US3652145A (en) | Electrically controllable volume holographic apparatus and method for operating said apparatus | |
| US4643533A (en) | Differentiating spatial light modulator | |
| US3825316A (en) | Apparatus for providing an optical system using adaptive holographic components | |
| US3833893A (en) | Holographic memory including corner reflectors | |
| EP0517344B1 (en) | Optical correlation apparatus | |
| US3614189A (en) | Holographic memory with illumination hologram providing reference and object beams | |
| US6049402A (en) | Multiplexed phase-conjugate holographic data storage using a buffer hologram | |
| US3624622A (en) | Optical information storage system | |
| US3761155A (en) | Faraday effect page composer for holographic memory system | |
| GB1342501A (en) | Holographic memory with same reference beam used for writing and reading | |
| Redfield et al. | Data storage in photorefractives revisited | |
| GB1056575A (en) | A modulator for a light beam | |
| Anderson | Ferroelectrics in optical memories and displays: A critical appraisal | |
| JPH04354076A (ja) | 光パターン認識素子 | |
| US3430212A (en) | Apparatus for reading and printing stored information by light | |
| US3798618A (en) | Holography memory apparatus using a single quarter-wave spacial modulator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |