FR2472217B1 - - Google Patents
Info
- Publication number
- FR2472217B1 FR2472217B1 FR7931470A FR7931470A FR2472217B1 FR 2472217 B1 FR2472217 B1 FR 2472217B1 FR 7931470 A FR7931470 A FR 7931470A FR 7931470 A FR7931470 A FR 7931470A FR 2472217 B1 FR2472217 B1 FR 2472217B1
- Authority
- FR
- France
- 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
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
- G02B27/46—Systems using spatial filters
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Holo Graphy (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7931470A FR2472217A1 (fr) | 1979-12-21 | 1979-12-21 | Procede pour la realisation de filtres inverses a l'aide de methodes holographiques, filtres obtenues et application desdits filtres |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7931470A FR2472217A1 (fr) | 1979-12-21 | 1979-12-21 | Procede pour la realisation de filtres inverses a l'aide de methodes holographiques, filtres obtenues et application desdits filtres |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2472217A1 FR2472217A1 (fr) | 1981-06-26 |
| FR2472217B1 true FR2472217B1 (show.php) | 1983-07-08 |
Family
ID=9233083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7931470A Granted FR2472217A1 (fr) | 1979-12-21 | 1979-12-21 | Procede pour la realisation de filtres inverses a l'aide de methodes holographiques, filtres obtenues et application desdits filtres |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2472217A1 (show.php) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1333922A (en) * | 1971-04-19 | 1973-10-17 | Atomic Energy Authority Uk | Spatial filters |
-
1979
- 1979-12-21 FR FR7931470A patent/FR2472217A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2472217A1 (fr) | 1981-06-26 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |