CA981899A - Procede et dispositif d'observation interferometrique d'un petit deplacement - Google Patents

Procede et dispositif d'observation interferometrique d'un petit deplacement

Info

Publication number
CA981899A
CA981899A CA174,595A CA174595A CA981899A CA 981899 A CA981899 A CA 981899A CA 174595 A CA174595 A CA 174595A CA 981899 A CA981899 A CA 981899A
Authority
CA
Canada
Prior art keywords
interferometrique
deplacement
procede
petit
dispositif
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
CA174,595A
Other versions
CA174595S (en
Inventor
Charles Aplin
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.)
Alcatel Lucent SAS
Original Assignee
Compagnie Generale dElectricite 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 Generale dElectricite SA filed Critical Compagnie Generale dElectricite SA
Application granted granted Critical
Publication of CA981899A publication Critical patent/CA981899A/en
Expired 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
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/021—Interferometers using holographic techniques

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Holo Graphy (AREA)
CA174,595A 1973-04-10 1973-06-21 Procede et dispositif d'observation interferometrique d'un petit deplacement Expired CA981899A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US34989173A 1973-04-10 1973-04-10

Publications (1)

Publication Number Publication Date
CA981899A true CA981899A (en) 1976-01-20

Family

ID=23374402

Family Applications (1)

Application Number Title Priority Date Filing Date
CA174,595A Expired CA981899A (en) 1973-04-10 1973-06-21 Procede et dispositif d'observation interferometrique d'un petit deplacement

Country Status (8)

Country Link
JP (2) JPS49131457A (en)
BE (1) BE801207R (en)
CA (1) CA981899A (en)
CH (1) CH563011A5 (en)
DE (1) DE2341764A1 (en)
GB (1) GB1422180A (en)
IT (1) IT1046260B (en)
NL (1) NL7311772A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0024167A3 (en) * 1979-08-07 1982-08-04 Rolls-Royce Plc Method and apparatus for speckle pattern interferometric determination of point displacements
GB2239716B (en) * 1989-12-22 1994-04-27 Marks Spencer Plc Assessment of surface characteristics

Also Published As

Publication number Publication date
IT1046260B (en) 1980-06-30
JPS5710361B2 (en) 1982-02-26
CH563011A5 (en) 1975-06-13
GB1422180A (en) 1976-01-21
JPS49131457A (en) 1974-12-17
JPS55146004A (en) 1980-11-14
NL7311772A (en) 1974-10-14
BE801207R (en) 1973-12-21
DE2341764A1 (en) 1974-10-24

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