GB1342747A - - Google Patents

Info

Publication number
GB1342747A
GB1342747A GB6154170A GB6154170A GB1342747A GB 1342747 A GB1342747 A GB 1342747A GB 6154170 A GB6154170 A GB 6154170A GB 6154170 A GB6154170 A GB 6154170A GB 1342747 A GB1342747 A GB 1342747A
Authority
GB
United Kingdom
Prior art keywords
point
hologram
reference source
real image
dec
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
GB6154170A
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 filed Critical
Publication of GB1342747A publication Critical patent/GB1342747A/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
    • G02B5/32—Holograms used as optical elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Holo Graphy (AREA)

Abstract

1342747 Point holograms PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 29 Dec 1970 [30 Dec 1969] 61541/70 Heading G2J A point hologram is formed by reconstructing the real image 7 of a first point hologram 8 made by exposing a photographic plate to a point reference source and a point object which is moved in a stepwise manner between exposures, providing a point reference source 11 in the plane of the real image 7 and recording as a second point hologram 10 the interference between radiation from image 7 and reference source 11. A lens 9 is used to focus the real image 7 onto the second hologram plane. In forming the first point hologram 21, Fig. 2 a point reference source 16 is used. A point object source 20 is movable in two co-ordinate directions together with prisms 18, 19 to form the point array on hologram 21. Reference has been directed by the Comptroller to Specification 1233242.
GB6154170A 1969-12-30 1970-12-29 Expired GB1342747A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691965448 DE1965448A1 (en) 1969-12-30 1969-12-30 Method and arrangement for recording point holograms

Publications (1)

Publication Number Publication Date
GB1342747A true GB1342747A (en) 1974-01-03

Family

ID=5755258

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6154170A Expired GB1342747A (en) 1969-12-30 1970-12-29

Country Status (7)

Country Link
BE (1) BE761014A (en)
CA (1) CA933404A (en)
CH (1) CH535964A (en)
DE (1) DE1965448A1 (en)
FR (1) FR2075094A5 (en)
GB (1) GB1342747A (en)
NL (1) NL7018828A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2119111A (en) * 1982-04-16 1983-11-09 Hollusions Limited Method and apparatus for making holograms
US4421379A (en) * 1981-01-12 1983-12-20 Grumman Aerospace Corporation Multiple holographic lens
WO1990004797A1 (en) * 1988-10-05 1990-05-03 Grumman Aerospace Corporation Method of fabricating a multiple holographic lens
DE3991248T1 (en) * 1988-10-05 1990-11-22 Grumman Aerospace Corp METHOD FOR PRODUCING A MULTIPLE HOLOGRAFIC LENS

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2211714B1 (en) * 1972-12-25 1977-09-30 Matsushita Electric Ind Co Ltd
US4093338A (en) * 1976-01-12 1978-06-06 Bell Telephone Laboratories, Incorporated Apparatus for piecewise generation of grating-like patterns

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4421379A (en) * 1981-01-12 1983-12-20 Grumman Aerospace Corporation Multiple holographic lens
GB2119111A (en) * 1982-04-16 1983-11-09 Hollusions Limited Method and apparatus for making holograms
WO1990004797A1 (en) * 1988-10-05 1990-05-03 Grumman Aerospace Corporation Method of fabricating a multiple holographic lens
GB2231413A (en) * 1988-10-05 1990-11-14 Grumman Aerospace Corp Method of fabricating a multiple holographic lens
DE3991248T1 (en) * 1988-10-05 1990-11-22 Grumman Aerospace Corp METHOD FOR PRODUCING A MULTIPLE HOLOGRAFIC LENS
US4998787A (en) * 1988-10-05 1991-03-12 Grumman Aerospace Corporation Method of fabricating a multiple holographic lens
GB2231413B (en) * 1988-10-05 1993-01-13 Grumman Aerospace Corp Method of fabricating a multiple holographic lens

Also Published As

Publication number Publication date
CH535964A (en) 1973-04-15
NL7018828A (en) 1971-07-02
FR2075094A5 (en) 1971-10-08
BE761014A (en) 1971-06-29
DE1965448A1 (en) 1971-07-01
CA933404A (en) 1973-09-11

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees