FR1380740A - Method for measuring lengths and very small angles using a laser - Google Patents

Method for measuring lengths and very small angles using a laser

Info

Publication number
FR1380740A
FR1380740A FR951754A FR951754A FR1380740A FR 1380740 A FR1380740 A FR 1380740A FR 951754 A FR951754 A FR 951754A FR 951754 A FR951754 A FR 951754A FR 1380740 A FR1380740 A FR 1380740A
Authority
FR
France
Prior art keywords
laser
small angles
measuring lengths
lengths
measuring
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
Application number
FR951754A
Other languages
French (fr)
Inventor
Georges Pircher
Raymond Marcy
Georges Hepner
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Priority to FR951754A priority Critical patent/FR1380740A/en
Priority to GB43427/64A priority patent/GB1076318A/en
Priority to SE12804/64A priority patent/SE309498B/xx
Priority to DE19641549392 priority patent/DE1549392A1/en
Priority to DEC34194A priority patent/DE1280579B/en
Application granted granted Critical
Publication of FR1380740A publication Critical patent/FR1380740A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • H01S3/081—Construction or shape of optical resonators or components thereof comprising three or more reflectors
    • H01S3/083—Ring lasers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/22—Analogue/digital converters pattern-reading type

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Theoretical Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
FR951754A 1963-10-25 1963-10-25 Method for measuring lengths and very small angles using a laser Expired FR1380740A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR951754A FR1380740A (en) 1963-10-25 1963-10-25 Method for measuring lengths and very small angles using a laser
GB43427/64A GB1076318A (en) 1963-10-25 1964-10-23 Improvements in or relating to interferometric systems
SE12804/64A SE309498B (en) 1963-10-25 1964-10-23
DE19641549392 DE1549392A1 (en) 1963-10-25 1964-10-26 Digital computer for calculating the position of a part that can move in two opposite directions
DEC34194A DE1280579B (en) 1963-10-25 1964-10-26 Device for measuring lengths and / or small angles with an interferometer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR951754A FR1380740A (en) 1963-10-25 1963-10-25 Method for measuring lengths and very small angles using a laser

Publications (1)

Publication Number Publication Date
FR1380740A true FR1380740A (en) 1964-12-04

Family

ID=8815144

Family Applications (1)

Application Number Title Priority Date Filing Date
FR951754A Expired FR1380740A (en) 1963-10-25 1963-10-25 Method for measuring lengths and very small angles using a laser

Country Status (4)

Country Link
DE (2) DE1280579B (en)
FR (1) FR1380740A (en)
GB (1) GB1076318A (en)
SE (1) SE309498B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3582211A (en) * 1968-10-02 1971-06-01 Doall Co Goniometer

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1772171B1 (en) * 1968-04-08 1972-03-09 Optomechanisms Inc OPTICAL INTERFEROMETER
US4558952A (en) * 1983-02-22 1985-12-17 Kules Vladimir P Method for measuring an optical length of light path and a laser interferometer for carrying same into effect
AT390325B (en) * 1988-03-11 1990-04-25 Tabarelli Werner INTERFEROMETRIC DEVICE FOR MEASURING CHANGES IN POSITION OF A MOVING COMPONENT

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE831780C (en) * 1950-11-17 1952-02-18 Leitz Ernst Gmbh Beam splitter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3582211A (en) * 1968-10-02 1971-06-01 Doall Co Goniometer

Also Published As

Publication number Publication date
SE309498B (en) 1969-03-24
DE1280579B (en) 1968-10-17
DE1549392A1 (en) 1971-04-01
GB1076318A (en) 1967-07-19

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