BE765248A - Interferometre comportant un seul reflecteur en forme de triedre - Google Patents

Interferometre comportant un seul reflecteur en forme de triedre

Info

Publication number
BE765248A
BE765248A BE765248A BE765248A BE765248A BE 765248 A BE765248 A BE 765248A BE 765248 A BE765248 A BE 765248A BE 765248 A BE765248 A BE 765248A BE 765248 A BE765248 A BE 765248A
Authority
BE
Belgium
Prior art keywords
triedre
interferometer
shaped reflector
reflector
shaped
Prior art date
Application number
BE765248A
Other languages
English (en)
Inventor
F R Stone
Original Assignee
Doall Co
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 Doall Co filed Critical Doall Co
Publication of BE765248A publication Critical patent/BE765248A/fr

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
    • G01B9/02055—Reduction or prevention of errors; Testing; Calibration
    • G01B9/02056—Passive reduction of errors
    • G01B9/02061—Reduction or prevention of effects of tilts or misalignment
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
BE765248A 1970-08-10 1971-04-05 Interferometre comportant un seul reflecteur en forme de triedre BE765248A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6247970A 1970-08-10 1970-08-10

Publications (1)

Publication Number Publication Date
BE765248A true BE765248A (fr) 1971-08-30

Family

ID=22042773

Family Applications (1)

Application Number Title Priority Date Filing Date
BE765248A BE765248A (fr) 1970-08-10 1971-04-05 Interferometre comportant un seul reflecteur en forme de triedre

Country Status (4)

Country Link
BE (1) BE765248A (fr)
DE (1) DE2123667A1 (fr)
FR (1) FR2117014A5 (fr)
NL (1) NL7107593A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0611438B1 (fr) * 1991-11-08 1996-07-03 British Technology Group Ltd Instruments de mesure optique

Also Published As

Publication number Publication date
FR2117014A5 (fr) 1972-07-21
DE2123667A1 (de) 1972-02-17
NL7107593A (fr) 1972-02-14

Similar Documents

Publication Publication Date Title
SE388426B (sv) Hohmolekylera fortvalningsbestendiga polykarbonater
FI53457C (fi) Foerfarande foer framstaellning av saodana 2-aryl- 2-cykloalkyl- och 2-alkyl-8-azapurin-6-onderivat som laempar sig foer vaord av andningssjukdomar
ES196361Y (es) Cubierta de neumatico.
BE770315A (fr) Constructions a elements de surface minimale
ES166302Y (es) Cubierta de neumatico.
AT310870B (de) Reflektor
AT313725B (de) Felge
AR196058A1 (es) Cerradura de cilindro
AR201727A1 (es) Llave de encendido
IT943674B (it) Serratura meccanica
BE771376A (fr) Interrupteur a elements supraconducteurs
ES200859Y (es) Lampara.
BE762181A (fr) Lanterneaux
ES195334Y (es) Cubierta de neumatico.
BE765248A (fr) Interferometre comportant un seul reflecteur en forme de triedre
BE759881A (nl) Verlichtingstoestel.
BE765614A (fr) Refractaire a base de dolomie
CH503346A (de) Teilkreisbefestigung
BR7103012D0 (pt) Mecanismo de embreagem aperfeicoado
AT321772B (de) Schlauchboot
CH538615A (de) Kettenschloss
ES195405Y (es) Mecanismo de impresion con levas de tipos.
AT308479B (de) Kettenschloß
BE763881A (fr) Bascule a vehicules
ES156007Y (es) Mecanismo de cierre