GB1244337A - Improvements in or relating to optical apparatus - Google Patents
Improvements in or relating to optical apparatusInfo
- Publication number
- GB1244337A GB1244337A GB5019668A GB5019668A GB1244337A GB 1244337 A GB1244337 A GB 1244337A GB 5019668 A GB5019668 A GB 5019668A GB 5019668 A GB5019668 A GB 5019668A GB 1244337 A GB1244337 A GB 1244337A
- Authority
- GB
- United Kingdom
- Prior art keywords
- reflector
- reflection
- oct
- returned
- recombined
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/14—Beam splitting or combining systems operating by reflection only
- G02B27/144—Beam splitting or combining systems operating by reflection only using partially transparent surfaces without spectral selectivity
-
- 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
- G01B9/02017—Interferometers characterised by the beam path configuration with multiple interactions between the target object and light beams, e.g. beam reflections occurring from different locations
- G01B9/02021—Interferometers characterised by the beam path configuration with multiple interactions between the target object and light beams, e.g. beam reflections occurring from different locations contacting different faces of object, e.g. opposite faces
-
- 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
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/14—Beam splitting or combining systems operating by reflection only
- G02B27/145—Beam splitting or combining systems operating by reflection only having sequential partially reflecting surfaces
-
- 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)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5019668A GB1244337A (en) | 1968-10-22 | 1968-10-22 | Improvements in or relating to optical apparatus |
DE19691953243 DE1953243A1 (de) | 1968-10-22 | 1969-10-22 | Optisches Geraet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5019668A GB1244337A (en) | 1968-10-22 | 1968-10-22 | Improvements in or relating to optical apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1244337A true GB1244337A (en) | 1971-08-25 |
Family
ID=10455033
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5019668A Expired GB1244337A (en) | 1968-10-22 | 1968-10-22 | Improvements in or relating to optical apparatus |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE1953243A1 (de) |
GB (1) | GB1244337A (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1982004310A1 (en) * | 1981-05-26 | 1982-12-09 | Inc Gould | Fiber optic interferometer |
WO1982004311A1 (en) * | 1981-05-26 | 1982-12-09 | Inc Gould | Fiber optic interferometer |
GB2261299A (en) * | 1991-11-08 | 1993-05-12 | British Tech Group | Optical interferometer |
GB2551968A (en) * | 2016-06-28 | 2018-01-10 | Oclaro Tech Ltd | Optical locker |
CN113933944A (zh) * | 2021-09-24 | 2022-01-14 | 昂纳信息技术(深圳)有限公司 | 一种高功率光纤耦合器及多通道光纤耦合器 |
-
1968
- 1968-10-22 GB GB5019668A patent/GB1244337A/en not_active Expired
-
1969
- 1969-10-22 DE DE19691953243 patent/DE1953243A1/de active Pending
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1982004310A1 (en) * | 1981-05-26 | 1982-12-09 | Inc Gould | Fiber optic interferometer |
WO1982004311A1 (en) * | 1981-05-26 | 1982-12-09 | Inc Gould | Fiber optic interferometer |
GB2261299A (en) * | 1991-11-08 | 1993-05-12 | British Tech Group | Optical interferometer |
GB2261299B (en) * | 1991-11-08 | 1995-06-21 | British Tech Group | Measuring instruments |
US5546184A (en) * | 1991-11-08 | 1996-08-13 | British Technology Group Ltd. | Single-frequency bidirectional fringe-counting interferometer |
GB2551968A (en) * | 2016-06-28 | 2018-01-10 | Oclaro Tech Ltd | Optical locker |
US10612906B2 (en) | 2016-06-28 | 2020-04-07 | Lumentum Technology Uk Limited | Optical locker using first and second transparent materials for path length independence from temperature |
US11215440B2 (en) | 2016-06-28 | 2022-01-04 | Lumentum Technology Uk Limited | Interferometry assembly for use in an optical locker |
US11835337B2 (en) | 2016-06-28 | 2023-12-05 | Lumentum Technology Uk Limited | Interferometry assembly having optical paths through different materials |
CN113933944A (zh) * | 2021-09-24 | 2022-01-14 | 昂纳信息技术(深圳)有限公司 | 一种高功率光纤耦合器及多通道光纤耦合器 |
CN113933944B (zh) * | 2021-09-24 | 2023-04-14 | 昂纳科技(深圳)集团股份有限公司 | 一种高功率光纤耦合器及多通道光纤耦合器 |
Also Published As
Publication number | Publication date |
---|---|
DE1953243A1 (de) | 1970-05-27 |
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