FR2282117A1 - Dispositif pour separer sans dephasage un faisceau lumineux et interferometre utilisant ledit dispositif - Google Patents
Dispositif pour separer sans dephasage un faisceau lumineux et interferometre utilisant ledit dispositifInfo
- Publication number
- FR2282117A1 FR2282117A1 FR7428190A FR7428190A FR2282117A1 FR 2282117 A1 FR2282117 A1 FR 2282117A1 FR 7428190 A FR7428190 A FR 7428190A FR 7428190 A FR7428190 A FR 7428190A FR 2282117 A1 FR2282117 A1 FR 2282117A1
- Authority
- FR
- France
- Prior art keywords
- diffuser
- forming
- beams
- focusing system
- interferometer
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/02015—Interferometers characterised by the beam path configuration
- G01B9/02024—Measuring in transmission, i.e. light traverses the object
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Lasers (AREA)
- Length Measuring Devices By Optical Means (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7428190A FR2282117A1 (fr) | 1974-08-14 | 1974-08-14 | Dispositif pour separer sans dephasage un faisceau lumineux et interferometre utilisant ledit dispositif |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7428190A FR2282117A1 (fr) | 1974-08-14 | 1974-08-14 | Dispositif pour separer sans dephasage un faisceau lumineux et interferometre utilisant ledit dispositif |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2282117A1 true FR2282117A1 (fr) | 1976-03-12 |
FR2282117B1 FR2282117B1 (fr) | 1976-12-31 |
Family
ID=9142398
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7428190A Granted FR2282117A1 (fr) | 1974-08-14 | 1974-08-14 | Dispositif pour separer sans dephasage un faisceau lumineux et interferometre utilisant ledit dispositif |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2282117A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993014393A1 (fr) * | 1992-01-11 | 1993-07-22 | Fisons Plc | Dispositif d'analyse a diffraction de lumiere |
-
1974
- 1974-08-14 FR FR7428190A patent/FR2282117A1/fr active Granted
Non-Patent Citations (1)
Title |
---|
NEANT * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993014393A1 (fr) * | 1992-01-11 | 1993-07-22 | Fisons Plc | Dispositif d'analyse a diffraction de lumiere |
Also Published As
Publication number | Publication date |
---|---|
FR2282117B1 (fr) | 1976-12-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SE7316669L (fr) | ||
JPS51144203A (en) | Political device for information reproduction | |
FR2282117A1 (fr) | Dispositif pour separer sans dephasage un faisceau lumineux et interferometre utilisant ledit dispositif | |
JPS5217817A (en) | Light measure device fot the single lens reflex camera | |
JPS5317705A (en) | Automatic focusing system | |
JPS52126241A (en) | Slit illumination device | |
JPS52132851A (en) | Optical detector of scanning type | |
WO1979000400A1 (fr) | Systeme de mise au point automatique | |
JPS5431743A (en) | Plural beam simultaneous scanner | |
JPS5227646A (en) | Optical device | |
JPS5572806A (en) | Contour display unit | |
JPS5350852A (en) | Half tone image forming optical system | |
JPS55140102A (en) | Measuring device for flatness of inspected plane glass | |
JPS54146650A (en) | Hologram reproducing device | |
JPS57157203A (en) | Diffusing plate | |
FR2300352A1 (fr) | Appareil pour l'examen de films reduits | |
SU386372A1 (ru) | Проектор | |
FR2226699A1 (en) | Clock dial projected onto viewing screen - two sets of numbers, one set on mirror | |
FR2311333A1 (fr) | Dispositif pour la variation du contraste en particulier pour arts graphiques, usages photographiques et analogues | |
JPS5256547A (en) | Distorsion compensating device for scanning light | |
JPS51140702A (en) | Semiconductor laser pickup apparatus | |
SU480904A1 (ru) | Способ автоколлимационного контрол вогнутых оптических поверхностей | |
JPS5447632A (en) | Camera for photographing data | |
FR2237215A1 (en) | High precision optical system - has automatic collimation and pivoting mirror and internal light source | |
FR2344041A1 (fr) | Dispositif pour l'eclairage coherent d'objets |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |