GB1504001A - Apparatus for determining the properties of movement of anobject - Google Patents

Apparatus for determining the properties of movement of anobject

Info

Publication number
GB1504001A
GB1504001A GB2054075A GB2054075A GB1504001A GB 1504001 A GB1504001 A GB 1504001A GB 2054075 A GB2054075 A GB 2054075A GB 2054075 A GB2054075 A GB 2054075A GB 1504001 A GB1504001 A GB 1504001A
Authority
GB
United Kingdom
Prior art keywords
optical element
elements
order
displacement
penultimate
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
GB2054075A
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.)
Ernst Leitz Wetzlar GmbH
Original Assignee
Ernst Leitz Wetzlar GmbH
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 Ernst Leitz Wetzlar GmbH filed Critical Ernst Leitz Wetzlar GmbH
Publication of GB1504001A publication Critical patent/GB1504001A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/4233—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application
    • G02B27/4255—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application for alignment or positioning purposes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Optical Transform (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
GB2054075A 1974-06-06 1975-05-15 Apparatus for determining the properties of movement of anobject Expired GB1504001A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742427236 DE2427236C2 (de) 1974-06-06 1974-06-06 Beugung von interferenzfähigem Licht

Publications (1)

Publication Number Publication Date
GB1504001A true GB1504001A (en) 1978-03-15

Family

ID=5917422

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2054075A Expired GB1504001A (en) 1974-06-06 1975-05-15 Apparatus for determining the properties of movement of anobject

Country Status (6)

Country Link
JP (1) JPS5826002B2 (ja)
CH (1) CH606988A5 (ja)
DE (1) DE2427236C2 (ja)
FR (1) FR2274056A1 (ja)
GB (1) GB1504001A (ja)
NL (1) NL182985C (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE421568B (sv) * 1980-05-28 1982-01-04 Optisk Forskning Inst Anordning for uppdelning av en ljusstrale i ett flertal stralar eller omvent
US4584484A (en) * 1983-10-03 1986-04-22 Hutchin Richard A Microscope for producing high resolution images without precision optics

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2003492A1 (de) * 1970-01-27 1971-08-12 Leitz Ernst Gmbh Messverfahren fuer Schrittgeber zum Messen von Laengen oder Winkeln sowie Anordnungen zur Durchfuehrung dieses Messverfahrens
US3768911A (en) * 1971-08-17 1973-10-30 Keuffel & Esser Co Electro-optical incremental motion and position indicator

Also Published As

Publication number Publication date
DE2427236A1 (de) 1975-12-18
NL7505650A (nl) 1975-12-09
JPS517945A (ja) 1976-01-22
JPS5826002B2 (ja) 1983-05-31
NL182985B (nl) 1988-01-18
DE2427236C2 (de) 1985-09-05
NL182985C (nl) 1988-06-16
CH606988A5 (ja) 1978-11-30
FR2274056A1 (fr) 1976-01-02
FR2274056B3 (ja) 1978-12-29

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee