FR2472217B1 - - Google Patents

Info

Publication number
FR2472217B1
FR2472217B1 FR7931470A FR7931470A FR2472217B1 FR 2472217 B1 FR2472217 B1 FR 2472217B1 FR 7931470 A FR7931470 A FR 7931470A FR 7931470 A FR7931470 A FR 7931470A FR 2472217 B1 FR2472217 B1 FR 2472217B1
Authority
FR
France
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
FR7931470A
Other languages
French (fr)
Other versions
FR2472217A1 (fr
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Priority to FR7931470A priority Critical patent/FR2472217A1/fr
Publication of FR2472217A1 publication Critical patent/FR2472217A1/fr
Application granted granted Critical
Publication of FR2472217B1 publication Critical patent/FR2472217B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/04—Processes or apparatus for producing holograms
    • G03H1/16—Processes or apparatus for producing holograms using Fourier transform
    • 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
    • G02B27/46—Systems using spatial filters

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Holo Graphy (AREA)
FR7931470A 1979-12-21 1979-12-21 Procede pour la realisation de filtres inverses a l'aide de methodes holographiques, filtres obtenues et application desdits filtres Granted FR2472217A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7931470A FR2472217A1 (fr) 1979-12-21 1979-12-21 Procede pour la realisation de filtres inverses a l'aide de methodes holographiques, filtres obtenues et application desdits filtres

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7931470A FR2472217A1 (fr) 1979-12-21 1979-12-21 Procede pour la realisation de filtres inverses a l'aide de methodes holographiques, filtres obtenues et application desdits filtres

Publications (2)

Publication Number Publication Date
FR2472217A1 FR2472217A1 (fr) 1981-06-26
FR2472217B1 true FR2472217B1 (Direct) 1983-07-08

Family

ID=9233083

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7931470A Granted FR2472217A1 (fr) 1979-12-21 1979-12-21 Procede pour la realisation de filtres inverses a l'aide de methodes holographiques, filtres obtenues et application desdits filtres

Country Status (1)

Country Link
FR (1) FR2472217A1 (Direct)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1333922A (en) * 1971-04-19 1973-10-17 Atomic Energy Authority Uk Spatial filters

Also Published As

Publication number Publication date
FR2472217A1 (fr) 1981-06-26

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Legal Events

Date Code Title Description
ST Notification of lapse