GB1354242A - Measuring instrument - Google Patents

Measuring instrument

Info

Publication number
GB1354242A
GB1354242A GB2185272A GB1354242DA GB1354242A GB 1354242 A GB1354242 A GB 1354242A GB 2185272 A GB2185272 A GB 2185272A GB 1354242D A GB1354242D A GB 1354242DA GB 1354242 A GB1354242 A GB 1354242A
Authority
GB
United Kingdom
Prior art keywords
hologram
sphericity
lack
measuring instrument
laser
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
GB2185272A
Other languages
English (en)
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.)
Rank Organization Ltd
Original Assignee
Rank Organization Ltd
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 Rank Organization Ltd filed Critical Rank Organization Ltd
Publication of GB1354242A publication Critical patent/GB1354242A/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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/32—Holograms used as optical elements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S359/00—Optical: systems and elements
    • Y10S359/90—Methods
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S359/00—Optical: systems and elements
    • Y10S359/902—Holographic interferometer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Holo Graphy (AREA)
GB2185272A 1972-05-10 1972-05-10 Measuring instrument Expired GB1354242A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2185272 1972-05-10

Publications (1)

Publication Number Publication Date
GB1354242A true GB1354242A (en) 1974-06-05

Family

ID=10169903

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2185272A Expired GB1354242A (en) 1972-05-10 1972-05-10 Measuring instrument

Country Status (5)

Country Link
US (1) US3833301A (enExample)
JP (1) JPS4955354A (enExample)
DE (1) DE2323683A1 (enExample)
FR (1) FR2184074B3 (enExample)
GB (1) GB1354242A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3953129A (en) * 1975-01-09 1976-04-27 The Unites States Of America As Represented By The Secretary Of The Army Testing and inspecting lens by holographic means
US3997266A (en) * 1975-09-26 1976-12-14 The United States Of America As Represented By The Secretary Of The Army Lens testing using total internal reflection holography
DE3048558A1 (de) * 1980-12-22 1982-07-22 Battelle-Institut E.V., 6000 Frankfurt Verfahren und vorrichtung zur beruehrungslosen vermessung von kontaktlinsen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1592520A (enExample) * 1968-05-28 1970-05-19
US3721498A (en) * 1969-06-16 1973-03-20 Kollsman Instr Corp Synthesized hologram for an artifical optical template
US3614189A (en) * 1970-04-23 1971-10-19 Rca Corp Holographic memory with illumination hologram providing reference and object beams

Also Published As

Publication number Publication date
US3833301A (en) 1974-09-03
FR2184074A1 (enExample) 1973-12-21
JPS4955354A (enExample) 1974-05-29
DE2323683A1 (de) 1973-11-22
FR2184074B3 (enExample) 1976-04-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee