FR2491613B1 - - Google Patents

Info

Publication number
FR2491613B1
FR2491613B1 FR8021332A FR8021332A FR2491613B1 FR 2491613 B1 FR2491613 B1 FR 2491613B1 FR 8021332 A FR8021332 A FR 8021332A FR 8021332 A FR8021332 A FR 8021332A FR 2491613 B1 FR2491613 B1 FR 2491613B1
Authority
FR
France
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
FR8021332A
Other versions
FR2491613A1 (fr
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.)
VYSSH TEKH UCHILISHCHE
Original Assignee
VYSSH TEKH UCHILISHCHE
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 VYSSH TEKH UCHILISHCHE filed Critical VYSSH TEKH UCHILISHCHE
Priority to FR8021332A priority Critical patent/FR2491613B1/fr
Publication of FR2491613A1 publication Critical patent/FR2491613A1/fr
Application granted granted Critical
Publication of FR2491613B1 publication Critical patent/FR2491613B1/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical means
    • G01B11/24Measuring arrangements characterised by the use of optical means for measuring contours or curvatures
    • G01B11/255Measuring arrangements characterised by the use of optical means for measuring contours or curvatures for measuring radius of curvature
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00Instruments as specified in the subgroups and characterised by the use of optical measuring means
    • G01B9/02Interferometers for determining dimensional properties of, or relations between, measurement objects
    • G01B9/02034Interferometers for determining dimensional properties of, or relations between, measurement objects characterised by particularly shaped beams or wavefronts
    • G01B9/02038Shaping the wavefront, e.g. generating a spherical wavefront
    • G01B9/02039Shaping the wavefront, e.g. generating a spherical wavefront by matching the wavefront with a particular object surface shape
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B2290/00Aspects of interferometers not specifically covered by any group under G01B9/02
    • G01B2290/45Multiple detectors for detecting interferometer signals
FR8021332A 1980-10-06 1980-10-06 Expired FR2491613B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8021332A FR2491613B1 (fr) 1980-10-06 1980-10-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8021332A FR2491613B1 (fr) 1980-10-06 1980-10-06

Publications (2)

Publication Number Publication Date
FR2491613A1 FR2491613A1 (fr) 1982-04-09
FR2491613B1 true FR2491613B1 (fr) 1982-12-17

Family

ID=9246569

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8021332A Expired FR2491613B1 (fr) 1980-10-06 1980-10-06

Country Status (1)

Country Link
FR (1) FR2491613B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2644884A1 (fr) * 1989-03-24 1990-09-28 Amiard Hugues Interferometre a balayage pivotant pour relever le profil des surfaces aspheriques

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB602459A (en) * 1944-11-11 1948-05-27 William Ewart Williams Improvements in or relating to interferometric testing apparatus
US3028782A (en) * 1957-07-13 1962-04-10 Bernhardt Eugen Interferometer for measuring spherical surfaces
US3391974A (en) * 1965-01-15 1968-07-09 Bausch & Lomb Progressively powered singlets for aplanatic optical objective for spherical interferometers
GB1106246A (en) * 1965-09-06 1968-03-13 British Scient Instr Res Ass Improved "interferometer"
US3998553A (en) * 1975-05-12 1976-12-21 Zygo Corporation Device and method for testing high reflectivity autostigmatic optical elements and systems
US4074937A (en) * 1976-02-09 1978-02-21 Zygo Corporation Optical measuring device

Also Published As

Publication number Publication date
FR2491613A1 (fr) 1982-04-09

Similar Documents

Publication Publication Date Title
DE3003908C2 (fr)
DE3004126C2 (fr)
DE3005655C2 (fr)
DE3007642C2 (fr)
DE3000428C2 (fr)
DE3007239C2 (fr)
DE3005681C2 (fr)
DE3002041C2 (fr)
DE3005606C2 (fr)
DE3007245C2 (fr)
DE3004307C2 (fr)
CH636493A5 (fr)
DE3001780C2 (fr)
DE3002786C2 (fr)
DE3006207C2 (fr)
CH654535B (fr)
DE3006318C2 (fr)
CH655628B (fr)
DE3004047C2 (fr)
DE3005746C2 (fr)
DE3002790C2 (fr)
DE3005209C2 (fr)
CH655591B (fr)
DE3004150C2 (fr)
DE3004717C2 (fr)

Legal Events

Date Code Title Description
ST Notification of lapse