GB1448190A - Holographic optical element - Google Patents

Holographic optical element

Info

Publication number
GB1448190A
GB1448190A GB533875A GB533875A GB1448190A GB 1448190 A GB1448190 A GB 1448190A GB 533875 A GB533875 A GB 533875A GB 533875 A GB533875 A GB 533875A GB 1448190 A GB1448190 A GB 1448190A
Authority
GB
United Kingdom
Prior art keywords
optical element
holographic optical
feb
holographic lens
holograph
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
GB533875A
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.)
Raytheon Co
Original Assignee
Hughes Aircraft 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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Publication of GB1448190A publication Critical patent/GB1448190A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1876—Diffractive Fresnel lenses; Zone plates; Kinoforms
    • 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)
  • Holo Graphy (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
GB533875A 1974-02-08 1975-02-07 Holographic optical element Expired GB1448190A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US44088174A 1974-02-08 1974-02-08

Publications (1)

Publication Number Publication Date
GB1448190A true GB1448190A (en) 1976-09-02

Family

ID=23750558

Family Applications (1)

Application Number Title Priority Date Filing Date
GB533875A Expired GB1448190A (en) 1974-02-08 1975-02-07 Holographic optical element

Country Status (2)

Country Link
GB (1) GB1448190A (enExample)
SE (1) SE397007B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4647142A (en) * 1982-12-17 1987-03-03 Ferranti Plc Method of extending the field of view in a head-up display

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4647142A (en) * 1982-12-17 1987-03-03 Ferranti Plc Method of extending the field of view in a head-up display

Also Published As

Publication number Publication date
SE7501170L (enExample) 1975-08-11
SE397007B (sv) 1977-10-10

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years

Effective date: 19950206