FR2514959A1 - Dispositif laser emetteur-recepteur a detection heterodyne - Google Patents
Dispositif laser emetteur-recepteur a detection heterodyne Download PDFInfo
- Publication number
- FR2514959A1 FR2514959A1 FR8119452A FR8119452A FR2514959A1 FR 2514959 A1 FR2514959 A1 FR 2514959A1 FR 8119452 A FR8119452 A FR 8119452A FR 8119452 A FR8119452 A FR 8119452A FR 2514959 A1 FR2514959 A1 FR 2514959A1
- Authority
- FR
- France
- Prior art keywords
- frequency
- radiation
- transmitter
- optical system
- laser
- 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 description 4
- 230000005855 radiation Effects 0.000 claims abstract description 27
- 230000003287 optical effect Effects 0.000 claims abstract description 23
- 239000013078 crystal Substances 0.000 claims description 12
- 230000003071 parasitic effect Effects 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
- G01S17/10—Systems determining position data of a target for measuring distance only using transmission of interrupted, pulse-modulated waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/50—Systems of measurement based on relative movement of target
- G01S17/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8119452A FR2514959A1 (fr) | 1981-10-16 | 1981-10-16 | Dispositif laser emetteur-recepteur a detection heterodyne |
| GB08229505A GB2108348B (en) | 1981-10-16 | 1982-10-15 | Doppler lidar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8119452A FR2514959A1 (fr) | 1981-10-16 | 1981-10-16 | Dispositif laser emetteur-recepteur a detection heterodyne |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2514959A1 true FR2514959A1 (fr) | 1983-04-22 |
| FR2514959B1 FR2514959B1 (enExample) | 1983-12-02 |
Family
ID=9263087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8119452A Granted FR2514959A1 (fr) | 1981-10-16 | 1981-10-16 | Dispositif laser emetteur-recepteur a detection heterodyne |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR2514959A1 (enExample) |
| GB (1) | GB2108348B (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107966707A (zh) * | 2017-12-15 | 2018-04-27 | 杭州欧镭激光技术有限公司 | 一种激光测距系统 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5876784A (ja) * | 1981-10-31 | 1983-05-09 | Nissan Motor Co Ltd | 車両用光パルスレ−ダ装置 |
| FR2751755B1 (fr) * | 1996-07-23 | 1998-08-28 | Commissariat Energie Atomique | Velocimetre a laser a detection autodyne |
| CA2597712C (en) * | 2005-02-14 | 2013-08-13 | Digital Signal Corporation | Laser radar system and system and method for providing chirped electromagnetic radiation |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2254996A5 (en) * | 1973-12-18 | 1975-07-11 | Minisini Pierre | Method of measuring small phenomena - involves comparing beam modified by phenomenon with reference |
-
1981
- 1981-10-16 FR FR8119452A patent/FR2514959A1/fr active Granted
-
1982
- 1982-10-15 GB GB08229505A patent/GB2108348B/en not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2254996A5 (en) * | 1973-12-18 | 1975-07-11 | Minisini Pierre | Method of measuring small phenomena - involves comparing beam modified by phenomenon with reference |
Non-Patent Citations (1)
| Title |
|---|
| EXBK/77 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107966707A (zh) * | 2017-12-15 | 2018-04-27 | 杭州欧镭激光技术有限公司 | 一种激光测距系统 |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2108348B (en) | 1984-12-12 |
| GB2108348A (en) | 1983-05-11 |
| FR2514959B1 (enExample) | 1983-12-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CL | Concession to grant licences | ||
| TP | Transmission of property |