CA2452600C - Holographic optical element - Google Patents

Holographic optical element Download PDF

Info

Publication number
CA2452600C
CA2452600C CA2452600A CA2452600A CA2452600C CA 2452600 C CA2452600 C CA 2452600C CA 2452600 A CA2452600 A CA 2452600A CA 2452600 A CA2452600 A CA 2452600A CA 2452600 C CA2452600 C CA 2452600C
Authority
CA
Canada
Prior art keywords
wave front
parallel partial
partial wave
optical element
holographic optical
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 - Fee Related
Application number
CA2452600A
Other languages
English (en)
French (fr)
Other versions
CA2452600A1 (en
Inventor
Urs-Peter Studer
Beda Kaeser
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.)
Zumbach Electronic AG
Original Assignee
Zumbach Electronic AG
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
Priority claimed from EP02027560A external-priority patent/EP1429111A1/de
Application filed by Zumbach Electronic AG filed Critical Zumbach Electronic AG
Publication of CA2452600A1 publication Critical patent/CA2452600A1/en
Application granted granted Critical
Publication of CA2452600C publication Critical patent/CA2452600C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/08—Measuring arrangements characterised by the use of optical techniques for measuring diameters
    • G01B11/10—Measuring arrangements characterised by the use of optical techniques for measuring diameters of objects while moving
    • G01B11/105—Measuring arrangements characterised by the use of optical techniques for measuring diameters of objects while moving using photoelectric detection means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
    • G01B11/2433—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures for measuring outlines by shadow casting
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/32—Holograms used as optical elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
CA2452600A 2002-12-09 2003-12-08 Holographic optical element Expired - Fee Related CA2452600C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP02027560A EP1429111A1 (de) 2002-12-09 2002-12-09 Holographisches optisches Element mit mehreren Interferenzmustern
EP02027560.8 2002-12-09
EP03026493.1 2003-11-21
EP03026493.1A EP1429112B1 (de) 2002-12-09 2003-11-21 Holographisches optisches Element mit mehreren Interferenzmustern

Publications (2)

Publication Number Publication Date
CA2452600A1 CA2452600A1 (en) 2004-06-09
CA2452600C true CA2452600C (en) 2012-05-15

Family

ID=32327846

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2452600A Expired - Fee Related CA2452600C (en) 2002-12-09 2003-12-08 Holographic optical element

Country Status (3)

Country Link
EP (1) EP1429112B1 (enrdf_load_html_response)
JP (1) JP4334327B2 (enrdf_load_html_response)
CA (1) CA2452600C (enrdf_load_html_response)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100616744B1 (ko) 2005-02-25 2006-08-28 (주)모비솔 홀로그래픽 광학 소자를 이용한 포인팅 장치
DE102019206374A1 (de) 2019-05-03 2020-11-05 Audi Ag Erfassungsvorrichtung mit zumindest einer Sensoreinrichtung, einer Auswerteeinrichtung, einer Lichtquelle sowie einem Trägermedium

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5018803A (en) * 1985-02-04 1991-05-28 Robotic Vision Systems, Inc. Three-dimensional volumetric sensor
CH674774A5 (enrdf_load_html_response) * 1986-04-03 1990-07-13 Zumbach Electronic Ag
CH683370A5 (de) * 1992-04-10 1994-02-28 Zumbach Electronic Ag Verfahren und Vorrichtung zur Messung der Abmessung eines Objekts.
DE19647613C2 (de) * 1996-11-18 1998-11-12 Laser Applikationan Gmbh Verfahren und Vorrichtung zur Messung der Dicke von unrunden länglichen und in Richtung ihrer Längsachse vorgeschobenen Werkstücken mit beliebiger und sich ändernder Winkellage

Also Published As

Publication number Publication date
JP4334327B2 (ja) 2009-09-30
CA2452600A1 (en) 2004-06-09
EP1429112B1 (de) 2018-03-21
EP1429112A1 (de) 2004-06-16
JP2004191977A (ja) 2004-07-08

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Effective date: 20141208