CH471369A - Verfahren zur interferometrischen Messung von zwei Längen mit monochromatischen Lichtbündeln - Google Patents
Verfahren zur interferometrischen Messung von zwei Längen mit monochromatischen LichtbündelnInfo
- Publication number
- CH471369A CH471369A CH149068A CH149068A CH471369A CH 471369 A CH471369 A CH 471369A CH 149068 A CH149068 A CH 149068A CH 149068 A CH149068 A CH 149068A CH 471369 A CH471369 A CH 471369A
- Authority
- CH
- Switzerland
- Prior art keywords
- lengths
- light beams
- monochromatic light
- interferometric measurement
- interferometric
- Prior art date
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
- G01B9/02032—Interferometers characterised by the beam path configuration generating a spatial carrier frequency, e.g. by creating lateral or angular offset between reference and object beam
-
- 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
- G01B9/02027—Two or more interferometric channels or interferometers
- G01B9/02028—Two or more reference or object arms in one interferometer
-
- 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
- G01B9/02055—Reduction or prevention of errors; Testing; Calibration
- G01B9/02075—Reduction or prevention of errors; Testing; Calibration of particular errors
- G01B9/02078—Caused by ambiguity
- G01B9/02079—Quadrature detection, i.e. detecting relatively phase-shifted signals
- G01B9/02081—Quadrature detection, i.e. detecting relatively phase-shifted signals simultaneous quadrature detection, e.g. by spatial phase shifting
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B2290/00—Aspects of interferometers not specifically covered by any group under G01B9/02
- G01B2290/40—Non-mechanical variable delay line
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B2290/00—Aspects of interferometers not specifically covered by any group under G01B9/02
- G01B2290/45—Multiple detectors for detecting interferometer signals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B2290/00—Aspects of interferometers not specifically covered by any group under G01B9/02
- G01B2290/70—Using polarization in the interferometer
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH149068A CH471369A (de) | 1968-01-31 | 1968-01-31 | Verfahren zur interferometrischen Messung von zwei Längen mit monochromatischen Lichtbündeln |
US786235A US3612694A (en) | 1968-01-31 | 1968-12-23 | Arrangement for interferometric measurement of two lengths |
NL6901390A NL6901390A (de) | 1968-01-31 | 1969-01-29 | |
GB4969/69A GB1212641A (en) | 1968-01-31 | 1969-01-29 | A method for simultaneously and interferometrically detecting a plurality of dimensions |
FR6901769A FR2001019A1 (de) | 1968-01-31 | 1969-01-29 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH149068A CH471369A (de) | 1968-01-31 | 1968-01-31 | Verfahren zur interferometrischen Messung von zwei Längen mit monochromatischen Lichtbündeln |
Publications (1)
Publication Number | Publication Date |
---|---|
CH471369A true CH471369A (de) | 1969-04-15 |
Family
ID=4211676
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH149068A CH471369A (de) | 1968-01-31 | 1968-01-31 | Verfahren zur interferometrischen Messung von zwei Längen mit monochromatischen Lichtbündeln |
Country Status (5)
Country | Link |
---|---|
US (1) | US3612694A (de) |
CH (1) | CH471369A (de) |
FR (1) | FR2001019A1 (de) |
GB (1) | GB1212641A (de) |
NL (1) | NL6901390A (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3990796A (en) * | 1974-07-31 | 1976-11-09 | The United States Of America As Represented By The Secretary Of The Navy | Optical measurement of the difference in alignment between reference frames |
DE3044183A1 (de) * | 1980-11-24 | 1982-06-24 | Reinhard Dipl.-Phys. Dr. 7250 Leonberg Ulrich | Verfahren zur optischen messung von laengen und laengenaenderungen und anordnung zur durchfuehrung des verfahrens |
US4502783A (en) * | 1981-12-03 | 1985-03-05 | Hughes Aircraft Company | Alignment stabilization prism |
US5220455A (en) * | 1991-11-21 | 1993-06-15 | Wilcken Stephen K | Passive, gravity referencing, fluid damped, two stage pendulum optical mount |
US5367399A (en) * | 1992-02-13 | 1994-11-22 | Holotek Ltd. | Rotationally symmetric dual reflection optical beam scanner and system using same |
US5400143A (en) * | 1993-01-29 | 1995-03-21 | Ball Corporation | Compact laser interferometer system |
US5612781A (en) * | 1993-09-09 | 1997-03-18 | Kabushiki Kaisha Topcon | Object reflector detection system |
US5774211A (en) * | 1993-09-09 | 1998-06-30 | Kabushiki Kaisha Topcon | Laser leveling system for setting pipes |
-
1968
- 1968-01-31 CH CH149068A patent/CH471369A/de not_active IP Right Cessation
- 1968-12-23 US US786235A patent/US3612694A/en not_active Expired - Lifetime
-
1969
- 1969-01-29 NL NL6901390A patent/NL6901390A/xx unknown
- 1969-01-29 FR FR6901769A patent/FR2001019A1/fr not_active Withdrawn
- 1969-01-29 GB GB4969/69A patent/GB1212641A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1212641A (en) | 1970-11-18 |
FR2001019A1 (de) | 1969-09-19 |
NL6901390A (de) | 1969-08-04 |
US3612694A (en) | 1971-10-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |