JPS5786007A - Interference gauge - Google Patents
Interference gaugeInfo
- Publication number
- JPS5786007A JPS5786007A JP56149289A JP14928981A JPS5786007A JP S5786007 A JPS5786007 A JP S5786007A JP 56149289 A JP56149289 A JP 56149289A JP 14928981 A JP14928981 A JP 14928981A JP S5786007 A JPS5786007 A JP S5786007A
- Authority
- JP
- Japan
- Prior art keywords
- interferometer
- detection system
- grating
- measuring
- photodiodes
- 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
- 238000001514 detection method Methods 0.000 abstract 3
- 230000004913 activation Effects 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P13/00—Indicating or recording presence, absence, or direction, of movement
- G01P13/02—Indicating direction only, e.g. by weather vane
- G01P13/04—Indicating positive or negative direction of a linear movement or clockwise or anti-clockwise direction of a rotational movement
- G01P13/045—Indicating positive or negative direction of a linear movement or clockwise or anti-clockwise direction of a rotational movement with speed indication
-
- 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
- G01B9/02062—Active error reduction, i.e. varying with time
- G01B9/02063—Active error reduction, i.e. varying with time by particular alignment of focus position, e.g. dynamic focussing in optical coherence tomography
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/266—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light by interferometric means
Abstract
Interferometers are known for measuring the displacement of an object 6 with an accuracy of a fraction of 1 mu m, having digital display, and forward/reverse motion discrimination. To avoid the use of a special frequency stabilised laser source producing oppositely polarised beams of different frequencies, an interferometer is provided having a simple laser source 1, in which an interference line pattern is formed on a detection system 20 having a moving grating-like structure whose grating period corresponds to the period of the interference pattern. The effect of a moving grating is provided by a detection system comprising a linear array of photodiodes in which sequential activation of interjacent groups of photodiodes by a ring counter moves an effective grating pattern along the array. By counting the number of periods in the output signal of the detection system, changes in the measuring arm b of the interferometer can be measured with high accuracy. The interferometer may assist in measuring and controlling the movement of an optical recording head (Figure 7). <IMAGE>
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8005258A NL8005258A (en) | 1980-09-22 | 1980-09-22 | INTERFEROMETER. |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5786007A true JPS5786007A (en) | 1982-05-28 |
Family
ID=19835908
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56149289A Pending JPS5786007A (en) | 1980-09-22 | 1981-09-21 | Interference gauge |
JP62193850A Pending JPS63100626A (en) | 1980-09-22 | 1987-08-04 | Information recorder |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62193850A Pending JPS63100626A (en) | 1980-09-22 | 1987-08-04 | Information recorder |
Country Status (9)
Country | Link |
---|---|
JP (2) | JPS5786007A (en) |
AU (1) | AU551571B2 (en) |
CA (1) | CA1163094A (en) |
DE (1) | DE3137211C2 (en) |
FR (1) | FR2490808B1 (en) |
GB (1) | GB2084315B (en) |
IT (1) | IT1139451B (en) |
NL (1) | NL8005258A (en) |
SE (1) | SE8105526L (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59134005U (en) * | 1983-02-23 | 1984-09-07 | 横河電機株式会社 | Optical mechanical quantity measuring device |
JPS6173003A (en) * | 1984-09-18 | 1986-04-15 | Yamazaki Mazak Corp | Laser length measuring machine |
JPS63151802A (en) * | 1986-12-17 | 1988-06-24 | Rikagaku Kenkyusho | High preciseness polarizing interferometer |
JPS63238504A (en) * | 1987-03-27 | 1988-10-04 | Satoru Toyooka | Interferometer for displacement measurement |
JPH01250804A (en) * | 1988-03-31 | 1989-10-05 | Tokyo Seimitsu Co Ltd | Interferometer |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8201975A (en) * | 1982-05-13 | 1983-12-01 | Philips Nv | LASER DEVICE AND INTERFEROMETER CONTAINING SUCH LASER DEVICE. |
JPS6070563A (en) * | 1983-09-27 | 1985-04-22 | Toshiba Corp | High density spiral drawing device |
GB8415670D0 (en) * | 1984-06-20 | 1984-07-25 | Penlon Ltd | Gas analysis apparatus |
GB2191855A (en) * | 1986-05-07 | 1987-12-23 | Univ London | Method and apparatus for detecting reflection sites |
FR2601128A1 (en) * | 1986-07-03 | 1988-01-08 | Etu Rech Machine Outil Centre | Laser source roughness meter for analysis and quality control of mechanical surfaces |
DE3642055A1 (en) * | 1986-12-09 | 1988-07-07 | Wolfgang Dr Littmann | Device for directly converting sound into digital information, digital microphone |
DE3707331A1 (en) * | 1987-03-07 | 1988-09-15 | Zeiss Carl Fa | INTERFEROMETER FOR MEASURING OPTICAL PHASE DIFFERENCES |
CH676289A5 (en) * | 1987-03-24 | 1990-12-28 | Wild Leitz Ag | |
DE4204857C2 (en) * | 1991-02-18 | 1998-01-22 | Asahi Optical Co Ltd | Method for examining a surface shape with an interferometer |
GB9500110D0 (en) * | 1995-01-05 | 1995-03-01 | Renishaw Plc | Laser interferometer |
US5991249A (en) * | 1997-07-29 | 1999-11-23 | Hoetron, Inc. | Optical track sensing device |
US6723980B2 (en) | 2001-07-16 | 2004-04-20 | Wai-Hon Lee | Position sensor with grating to detect moving object with periodic pattern |
CN1322308C (en) * | 2005-04-21 | 2007-06-20 | 中国科学院上海光学精密机械研究所 | Micro-corner interferometer |
JP5517665B2 (en) | 2010-02-17 | 2014-06-11 | フタバ産業株式会社 | Exhaust system |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4917264A (en) * | 1972-06-03 | 1974-02-15 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3694088A (en) * | 1971-01-25 | 1972-09-26 | Bell Telephone Labor Inc | Wavefront measurement |
NL7403468A (en) * | 1974-03-15 | 1975-09-17 | Philips Nv | DEVICE FOR DETERMINING THE MOVEMENT OF A PART OF A TOOL. |
JPS6024401B2 (en) * | 1975-06-28 | 1985-06-12 | キヤノン株式会社 | How to measure the physical constants of a measured object |
DE2722887C2 (en) * | 1977-05-20 | 1979-02-15 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V., 8000 Muenchen | Device for measuring (calibrating) laser interferometers |
US4157223A (en) * | 1977-10-28 | 1979-06-05 | The Perkin-Elmer Corporation | Sliding reference interferometer |
GB2008791B (en) * | 1977-11-25 | 1982-04-28 | Mckelvie J | Method and apparatus for sensing inplane deformation of a surface |
PL124778B1 (en) * | 1978-11-03 | 1983-02-28 | Inst Geodezji I Kartografii | Apparatus for exact measurement of length and measuring system composed of such apparatuses |
DD139760B1 (en) * | 1978-11-27 | 1980-12-10 | Werner Krieg | INTERFEROMETRIC EQUIPMENT FOR MEASURING SPACES AND DISTANCE CHANGES |
-
1980
- 1980-09-22 NL NL8005258A patent/NL8005258A/en not_active Application Discontinuation
-
1981
- 1981-09-15 CA CA000385900A patent/CA1163094A/en not_active Expired
- 1981-09-18 FR FR8117665A patent/FR2490808B1/en not_active Expired
- 1981-09-18 DE DE3137211A patent/DE3137211C2/en not_active Expired
- 1981-09-18 GB GB8128312A patent/GB2084315B/en not_active Expired
- 1981-09-18 SE SE8105526A patent/SE8105526L/en not_active Application Discontinuation
- 1981-09-18 IT IT24043/81A patent/IT1139451B/en active
- 1981-09-18 AU AU75466/81A patent/AU551571B2/en not_active Ceased
- 1981-09-21 JP JP56149289A patent/JPS5786007A/en active Pending
-
1987
- 1987-08-04 JP JP62193850A patent/JPS63100626A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4917264A (en) * | 1972-06-03 | 1974-02-15 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59134005U (en) * | 1983-02-23 | 1984-09-07 | 横河電機株式会社 | Optical mechanical quantity measuring device |
JPS6173003A (en) * | 1984-09-18 | 1986-04-15 | Yamazaki Mazak Corp | Laser length measuring machine |
JPS63151802A (en) * | 1986-12-17 | 1988-06-24 | Rikagaku Kenkyusho | High preciseness polarizing interferometer |
JPS63238504A (en) * | 1987-03-27 | 1988-10-04 | Satoru Toyooka | Interferometer for displacement measurement |
JPH01250804A (en) * | 1988-03-31 | 1989-10-05 | Tokyo Seimitsu Co Ltd | Interferometer |
Also Published As
Publication number | Publication date |
---|---|
AU7546681A (en) | 1982-04-01 |
CA1163094A (en) | 1984-03-06 |
DE3137211A1 (en) | 1982-05-13 |
IT8124043A0 (en) | 1981-09-18 |
NL8005258A (en) | 1982-04-16 |
DE3137211C2 (en) | 1986-12-11 |
GB2084315B (en) | 1984-10-24 |
IT1139451B (en) | 1986-09-24 |
FR2490808B1 (en) | 1986-05-09 |
AU551571B2 (en) | 1986-05-08 |
FR2490808A1 (en) | 1982-03-26 |
GB2084315A (en) | 1982-04-07 |
SE8105526L (en) | 1982-03-23 |
JPS63100626A (en) | 1988-05-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB2084315B (en) | Interferometer | |
DE69105290T2 (en) | Electromechanical transducer with sliding contact. | |
GB1421571A (en) | Apparatus for measuring the speed and direction of movement of an object | |
GB1248598A (en) | Electrical signal generating apparatus having a scale grid | |
DE3882612D1 (en) | INCREMENTAL LENGTH OR ANGLE MEASURING DEVICE. | |
DE3864230D1 (en) | Spark erosion machine. | |
JPS5786710A (en) | Measuring device for three-dimensional configuration | |
DE69535479D1 (en) | METHOD AND DEVICE FOR POSITION AND MOTION MEASUREMENT | |
FR2286384A1 (en) | SYSTEM FOR MEASURING THE ACCURACY OF A SOURCE OF RHYTHM SIGNALS | |
RU2092787C1 (en) | Method determining short distances to diffusion-reflecting objects and gear for its realization | |
FR2641607B1 (en) | SYSTEM FOR READING THE SURFACE OF A PART REMOTELY BY AN OPTICAL SENSOR, ESPECIALLY A PELTON TURBINE AUGET | |
DE3679606D1 (en) | POSITION MEASURING DEVICE WITH OPTICAL GRIDS. | |
SU1035419A1 (en) | Optical electronic device for measubring linear displacements | |
SU577555A1 (en) | Photoelectric tape speed sensor | |
SU1654651A1 (en) | Device for object motion measurements | |
SU1303822A2 (en) | Device for measuring object position | |
SU1631272A1 (en) | Method of measuring linear dimensions | |
SU1052856A1 (en) | Interference device for gauging dimensions of part | |
SU832326A1 (en) | Object deformation measuring device | |
JPS57190202A (en) | Device for reading optical scale | |
SU364838A1 (en) | LINEAR MOVEMENT OBJECT SENSOR | |
RU2302U1 (en) | DEVICE FOR CONTROL OF ANGULAR AND LINEAR DISPLACEMENTS | |
JPS57211008A (en) | Distance measuring device | |
SU1620837A1 (en) | Apparatus for checking measuring head | |
SU605257A1 (en) | Device for measuring magnetic tape speed |