CA983758A - Techniques for recording and playing back redundant holograms - Google Patents
Techniques for recording and playing back redundant hologramsInfo
- Publication number
- CA983758A CA983758A CA164,500A CA164500A CA983758A CA 983758 A CA983758 A CA 983758A CA 164500 A CA164500 A CA 164500A CA 983758 A CA983758 A CA 983758A
- Authority
- CA
- Canada
- Prior art keywords
- holograms
- recording
- techniques
- playing back
- back redundant
- 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
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
- G03H1/04—Processes or apparatus for producing holograms
- G03H1/08—Synthesising holograms, i.e. holograms synthesized from objects or objects from holograms
-
- 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
- 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
- G03H1/32—Systems for obtaining speckle elimination
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Holo Graphy (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US23831572A | 1972-03-27 | 1972-03-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA983758A true CA983758A (en) | 1976-02-17 |
Family
ID=22897370
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA164,500A Expired CA983758A (en) | 1972-03-27 | 1973-02-23 | Techniques for recording and playing back redundant holograms |
Country Status (7)
Country | Link |
---|---|
US (1) | US3785712A (sv) |
JP (2) | JPS499261A (sv) |
CA (1) | CA983758A (sv) |
DE (1) | DE2313924A1 (sv) |
FR (1) | FR2178650A5 (sv) |
GB (1) | GB1408217A (sv) |
IT (1) | IT981118B (sv) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4130338A (en) * | 1976-08-16 | 1978-12-19 | Rca Corporation | Hologram having expanded viewing area |
GB2042754B (en) * | 1978-12-11 | 1982-10-27 | Magyar Tudomanyos Akademia | Holographic evaluation of dispersal systems |
JPS5618137A (en) * | 1979-07-19 | 1981-02-20 | Atsugi Motor Parts Co Ltd | Air suspension device |
US4317610A (en) * | 1979-07-20 | 1982-03-02 | The United States Of America As Represented By The Secretary Of The Navy | Holographic terrain surface display system |
EP0627675B1 (de) * | 1993-04-16 | 2001-06-13 | Infineon Technologies AG | Diffraktive optische Einrichtung zur optischen Abbildung eines Raumpunktes auf andere Raumpunkte |
US5963346A (en) * | 1997-12-12 | 1999-10-05 | Northrop Grumman Corporation | Scatter noise reduction in holographic storage systems by two-step write |
US6016210A (en) * | 1997-12-15 | 2000-01-18 | Northrop Grumman Corporation | Scatter noise reduction in holographic storage systems by speckle averaging |
US6118560A (en) * | 1998-02-06 | 2000-09-12 | Northrop Grumman Corporation | Scatter noise reduction in holographic storage systems by signal-noise orthogonalization |
JP4696890B2 (ja) * | 2005-12-12 | 2011-06-08 | 富士ゼロックス株式会社 | ホログラム記録方法及びホログラム記録装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3547510A (en) * | 1968-01-26 | 1970-12-15 | Philips Corp | Holographic image system and method employing narrow strip holograms |
US3674331A (en) * | 1970-10-09 | 1972-07-04 | Sperry Rand Corp | Space division multiplexed holographic apparatus |
US3689129A (en) * | 1971-04-14 | 1972-09-05 | Michael Jay Lurie | High resolution, redundant coherent wave imaging apparatus employing pinhole array |
-
1972
- 1972-03-27 US US00238315A patent/US3785712A/en not_active Expired - Lifetime
-
1973
- 1973-02-23 CA CA164,500A patent/CA983758A/en not_active Expired
- 1973-03-05 IT IT21185/73A patent/IT981118B/it active
- 1973-03-21 DE DE2313924A patent/DE2313924A1/de active Pending
- 1973-03-23 GB GB1405973A patent/GB1408217A/en not_active Expired
- 1973-03-26 FR FR7310768A patent/FR2178650A5/fr not_active Expired
- 1973-03-27 JP JP48034987A patent/JPS499261A/ja active Pending
- 1973-06-27 JP JP48072709A patent/JPS5070041A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2178650A5 (sv) | 1973-11-09 |
AU5361373A (en) | 1974-09-26 |
GB1408217A (en) | 1975-10-01 |
IT981118B (it) | 1974-10-10 |
DE2313924A1 (de) | 1973-10-11 |
US3785712A (en) | 1974-01-15 |
JPS5070041A (sv) | 1975-06-11 |
JPS499261A (sv) | 1974-01-26 |
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