FR2541786A1 - Dispositif d'imagerie optique a detection heterodyne - Google Patents
Dispositif d'imagerie optique a detection heterodyne Download PDFInfo
- Publication number
- FR2541786A1 FR2541786A1 FR8303128A FR8303128A FR2541786A1 FR 2541786 A1 FR2541786 A1 FR 2541786A1 FR 8303128 A FR8303128 A FR 8303128A FR 8303128 A FR8303128 A FR 8303128A FR 2541786 A1 FR2541786 A1 FR 2541786A1
- Authority
- FR
- France
- Prior art keywords
- detector
- frequency
- delivering
- heterodyne
- tank
- 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
- 238000001514 detection method Methods 0.000 title claims abstract description 19
- 238000012634 optical imaging Methods 0.000 title description 4
- 238000003384 imaging method Methods 0.000 claims abstract description 10
- 230000005855 radiation Effects 0.000 claims abstract description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 8
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 4
- 239000001569 carbon dioxide Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229910000645 Hg alloy Inorganic materials 0.000 claims description 3
- 229910052793 cadmium Inorganic materials 0.000 claims description 3
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052732 germanium Inorganic materials 0.000 claims description 3
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 3
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 claims description 3
- 238000001429 visible spectrum Methods 0.000 claims description 3
- 230000001902 propagating effect Effects 0.000 claims description 2
- 238000001228 spectrum Methods 0.000 claims description 2
- 229910001215 Te alloy Inorganic materials 0.000 claims 1
- 230000000737 periodic effect Effects 0.000 claims 1
- 230000003287 optical effect Effects 0.000 description 10
- 230000001427 coherent effect Effects 0.000 description 3
- 230000014509 gene expression Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010183 spectrum analysis Methods 0.000 description 2
- 229910052714 tellurium Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000661 Mercury cadmium telluride Inorganic materials 0.000 description 1
- 230000035559 beat frequency Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2/00—Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light
- G02F2/002—Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light using optical mixing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Optics & Photonics (AREA)
- Optical Communication System (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8303128A FR2541786A1 (fr) | 1983-02-25 | 1983-02-25 | Dispositif d'imagerie optique a detection heterodyne |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8303128A FR2541786A1 (fr) | 1983-02-25 | 1983-02-25 | Dispositif d'imagerie optique a detection heterodyne |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2541786A1 true FR2541786A1 (fr) | 1984-08-31 |
| FR2541786B1 FR2541786B1 (enrdf_load_stackoverflow) | 1985-04-05 |
Family
ID=9286273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8303128A Granted FR2541786A1 (fr) | 1983-02-25 | 1983-02-25 | Dispositif d'imagerie optique a detection heterodyne |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2541786A1 (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2617601A1 (fr) * | 1987-07-03 | 1989-01-06 | Thomson Csf | Systeme d'imagerie par transillumination utilisant les proprietes d'antenne de la detection heterodyne |
| EP0617797A4 (en) * | 1991-12-20 | 1994-12-14 | Essex Corp | IMAGE SYNTHESIS USING TIME-SEQUENCE HOLOGRAPHY. |
| FR2707761A1 (fr) * | 1993-07-16 | 1995-01-20 | Thomson Csf | Vélocimètre à hologramme dynamique. |
-
1983
- 1983-02-25 FR FR8303128A patent/FR2541786A1/fr active Granted
Non-Patent Citations (4)
| Title |
|---|
| APPLIED OPTICS, vol. 11, no. 4, avril 1972, pages 881-883, New York, US * |
| ELECTRONICS LETTERS, vol. 9, no. 15, 26 juillet 1973, pages 326-327 * |
| IEEE JOURNAL OF QUANTUM ELECTRONICS, vol. QE-8, no. 2, février 1972, pages 180-184, New York, US * |
| REVUE DE PHYSIQUE APPLIQUEE, tome 10, no. 6, Novembre 1975, pages 355-362, Paris, FR * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2617601A1 (fr) * | 1987-07-03 | 1989-01-06 | Thomson Csf | Systeme d'imagerie par transillumination utilisant les proprietes d'antenne de la detection heterodyne |
| WO1989000281A1 (fr) * | 1987-07-03 | 1989-01-12 | General Electric Cgr S.A. | Systeme d'imagerie par transillumination utilisant les proprietes d'antenne de la detection heterodyne |
| EP0617797A4 (en) * | 1991-12-20 | 1994-12-14 | Essex Corp | IMAGE SYNTHESIS USING TIME-SEQUENCE HOLOGRAPHY. |
| EP1099959A3 (en) * | 1991-12-20 | 2001-06-13 | Essex Corporation | Image synthesis using time sequential holography |
| FR2707761A1 (fr) * | 1993-07-16 | 1995-01-20 | Thomson Csf | Vélocimètre à hologramme dynamique. |
| EP0635730A1 (fr) * | 1993-07-16 | 1995-01-25 | Thomson-Csf | Vélocimètre à hologramme dynamique |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2541786B1 (enrdf_load_stackoverflow) | 1985-04-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |