DE2255446A1 - Interferometer - Google Patents
InterferometerInfo
- Publication number
- DE2255446A1 DE2255446A1 DE2255446A DE2255446A DE2255446A1 DE 2255446 A1 DE2255446 A1 DE 2255446A1 DE 2255446 A DE2255446 A DE 2255446A DE 2255446 A DE2255446 A DE 2255446A DE 2255446 A1 DE2255446 A1 DE 2255446A1
- Authority
- DE
- Germany
- Prior art keywords
- signal
- signals
- original
- component
- phase
- 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.)
- Pending
Links
- 230000010287 polarization Effects 0.000 claims description 13
- 230000010363 phase shift Effects 0.000 claims description 8
- 238000009795 derivation Methods 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims 1
- 230000005855 radiation Effects 0.000 description 25
- 239000013598 vector Substances 0.000 description 23
- 230000010355 oscillation Effects 0.000 description 21
- 230000003287 optical effect Effects 0.000 description 15
- 230000007423 decrease Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 101000860173 Myxococcus xanthus C-factor Proteins 0.000 description 4
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 101100421142 Mus musculus Selenon gene Proteins 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009699 differential effect Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
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
- G01B9/02055—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
- G01B2290/45—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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US19858171A | 1971-11-15 | 1971-11-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2255446A1 true DE2255446A1 (de) | 1973-05-24 |
Family
ID=22733971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2255446A Pending DE2255446A1 (de) | 1971-11-15 | 1972-11-11 | Interferometer |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3771875A (OSRAM) |
| JP (1) | JPS4862456A (OSRAM) |
| CH (1) | CH546946A (OSRAM) |
| DE (1) | DE2255446A1 (OSRAM) |
| FR (1) | FR2160682B1 (OSRAM) |
| IT (1) | IT970500B (OSRAM) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5081577A (OSRAM) * | 1973-11-22 | 1975-07-02 | ||
| JPS5122463A (OSRAM) * | 1974-08-17 | 1976-02-23 | Kurashiki Boseki Kk | |
| WO1979000506A1 (en) * | 1978-01-13 | 1979-08-09 | Nat Res Dev | Interferometer systems |
| US4255048A (en) * | 1979-04-06 | 1981-03-10 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Direction sensitive laser velocimeter |
| FR2483609A1 (fr) * | 1980-05-30 | 1981-12-04 | Balasubramanian N | Dispositif et procede de determination interferometrique d'une difference de longueur de chemin optique |
| JPS57127331A (en) * | 1981-01-30 | 1982-08-07 | Anritsu Corp | Waveform shaping device |
| US4702603A (en) * | 1985-07-23 | 1987-10-27 | Cmx Systems, Inc. | Optical phase decoder for interferometers |
| GB8718803D0 (en) * | 1987-08-07 | 1987-09-16 | Renishaw Plc | Optical detection system |
| US5638396A (en) * | 1994-09-19 | 1997-06-10 | Textron Systems Corporation | Laser ultrasonics-based material analysis system and method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3601490A (en) * | 1966-12-30 | 1971-08-24 | Keuffel & Esser Co | Laser interferometer |
-
1971
- 1971-11-15 US US00198581A patent/US3771875A/en not_active Expired - Lifetime
-
1972
- 1972-11-11 DE DE2255446A patent/DE2255446A1/de active Pending
- 1972-11-13 CH CH1652872A patent/CH546946A/xx not_active IP Right Cessation
- 1972-11-15 IT IT31660/72A patent/IT970500B/it active
- 1972-11-15 FR FR7241374A patent/FR2160682B1/fr not_active Expired
- 1972-11-15 JP JP47114626A patent/JPS4862456A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CH546946A (de) | 1974-03-15 |
| US3771875A (en) | 1973-11-13 |
| JPS4862456A (OSRAM) | 1973-08-31 |
| IT970500B (it) | 1974-04-10 |
| FR2160682A1 (OSRAM) | 1973-06-29 |
| FR2160682B1 (OSRAM) | 1974-08-19 |
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