GB2389896B - Compact interferometer for measurement of angular displacement - Google Patents

Compact interferometer for measurement of angular displacement

Info

Publication number
GB2389896B
GB2389896B GB0206102A GB0206102A GB2389896B GB 2389896 B GB2389896 B GB 2389896B GB 0206102 A GB0206102 A GB 0206102A GB 0206102 A GB0206102 A GB 0206102A GB 2389896 B GB2389896 B GB 2389896B
Authority
GB
United Kingdom
Prior art keywords
measurement
angular displacement
compact interferometer
interferometer
compact
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 - Fee Related
Application number
GB0206102A
Other versions
GB0206102D0 (en
GB2389896A (en
Inventor
Jolyon Defreitas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB0206102A priority Critical patent/GB2389896B/en
Publication of GB0206102D0 publication Critical patent/GB0206102D0/en
Publication of GB2389896A publication Critical patent/GB2389896A/en
Application granted granted Critical
Publication of GB2389896B publication Critical patent/GB2389896B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
    • 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
    • G01B9/02056—Passive reduction of errors
    • 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)
GB0206102A 2002-03-15 2002-03-15 Compact interferometer for measurement of angular displacement Expired - Fee Related GB2389896B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0206102A GB2389896B (en) 2002-03-15 2002-03-15 Compact interferometer for measurement of angular displacement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0206102A GB2389896B (en) 2002-03-15 2002-03-15 Compact interferometer for measurement of angular displacement

Publications (3)

Publication Number Publication Date
GB0206102D0 GB0206102D0 (en) 2002-04-24
GB2389896A GB2389896A (en) 2003-12-24
GB2389896B true GB2389896B (en) 2005-10-12

Family

ID=9933018

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0206102A Expired - Fee Related GB2389896B (en) 2002-03-15 2002-03-15 Compact interferometer for measurement of angular displacement

Country Status (1)

Country Link
GB (1) GB2389896B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0706821D0 (en) 2007-04-10 2007-05-16 Renishaw Plc Rotation detection kit
GB201313751D0 (en) 2013-08-01 2013-09-18 Renishaw Plc Rotation Detection Apparatus
CN108168466B (en) * 2017-12-23 2019-07-23 西安交通大学 A kind of a wide range of and high-precision rolling angle measurement device and measurement method
CN109633668B (en) * 2018-12-26 2021-01-15 中国科学院长春光学精密机械与物理研究所 Laser distance measuring device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0036251A2 (en) * 1980-02-21 1981-09-23 Rank Taylor Hobson Limited Polarising optical system
US5949546A (en) * 1997-05-14 1999-09-07 Ahead Optoelectronics, Inc. Interference apparatus for measuring absolute and differential motions of same or different testing surface
US6020963A (en) * 1996-06-04 2000-02-01 Northeastern University Optical quadrature Interferometer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0036251A2 (en) * 1980-02-21 1981-09-23 Rank Taylor Hobson Limited Polarising optical system
US6020963A (en) * 1996-06-04 2000-02-01 Northeastern University Optical quadrature Interferometer
US5949546A (en) * 1997-05-14 1999-09-07 Ahead Optoelectronics, Inc. Interference apparatus for measuring absolute and differential motions of same or different testing surface

Also Published As

Publication number Publication date
GB0206102D0 (en) 2002-04-24
GB2389896A (en) 2003-12-24

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20160315