BE833646A - Hologramme a image focalisee permettant une augmentation du rendement optique de lecture - Google Patents

Hologramme a image focalisee permettant une augmentation du rendement optique de lecture

Info

Publication number
BE833646A
BE833646A BE160231A BE160231A BE833646A BE 833646 A BE833646 A BE 833646A BE 160231 A BE160231 A BE 160231A BE 160231 A BE160231 A BE 160231A BE 833646 A BE833646 A BE 833646A
Authority
BE
Belgium
Prior art keywords
increase
optical reading
focused image
reading performance
image hologram
Prior art date
Application number
BE160231A
Other languages
English (en)
French (fr)
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 BE833646A publication Critical patent/BE833646A/xx

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03HHOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/04Processes or apparatus for producing holograms
    • G03H1/0402Recording geometries or arrangements
    • G03H1/0406Image plane or focused image holograms, i.e. an image of the object or holobject is formed on, in or across the recording plane

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Holo Graphy (AREA)
BE160231A 1974-09-20 1975-09-19 Hologramme a image focalisee permettant une augmentation du rendement optique de lecture BE833646A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/507,706 US3961836A (en) 1974-09-20 1974-09-20 Focused-image hologram system providing increased optical readout efficiency

Publications (1)

Publication Number Publication Date
BE833646A true BE833646A (fr) 1976-01-16

Family

ID=24019790

Family Applications (1)

Application Number Title Priority Date Filing Date
BE160231A BE833646A (fr) 1974-09-20 1975-09-19 Hologramme a image focalisee permettant une augmentation du rendement optique de lecture

Country Status (11)

Country Link
US (1) US3961836A (en:Method)
JP (1) JPS5157458A (en:Method)
BE (1) BE833646A (en:Method)
CA (1) CA1029583A (en:Method)
CH (1) CH600399A5 (en:Method)
DE (1) DE2541924A1 (en:Method)
FR (1) FR2285645A1 (en:Method)
GB (1) GB1511285A (en:Method)
IT (1) IT1042138B (en:Method)
NL (1) NL7511094A (en:Method)
SE (1) SE408830B (en:Method)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4174881A (en) * 1976-03-05 1979-11-20 Rca Corporation Recording a synthetic focused-image hologram on a thermally deformable plastic
US4589686A (en) * 1980-11-05 1986-05-20 Mcgrew Stephen P Anticounterfeiting method and device
US4892385A (en) * 1981-02-19 1990-01-09 General Electric Company Sheet-material authenticated item with reflective-diffractive authenticating device
US4832424A (en) * 1982-09-30 1989-05-23 Mcgrew Stephen P White-light viewable, cylindrical holograms and method of spatially filtering wavefronts
GB2211957B (en) * 1987-10-31 1991-12-18 Gen Electric Co Plc Optical projection printing
CN114237002B (zh) * 2021-12-20 2022-09-16 北京邮电大学 像面全息图的生成系统

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3743507A (en) * 1970-10-23 1973-07-03 Rca Corp Recording of a continuous tone focused image on a diffraction grating
US3754808A (en) * 1971-08-30 1973-08-28 Us Navy Holographic readout system employing predispersion diffraction grating

Also Published As

Publication number Publication date
NL7511094A (nl) 1976-03-23
GB1511285A (en) 1978-05-17
SE7510522L (sv) 1976-03-22
FR2285645A1 (fr) 1976-04-16
AU8482675A (en) 1977-03-24
CA1029583A (en) 1978-04-18
CH600399A5 (en:Method) 1978-06-15
DE2541924A1 (de) 1976-04-08
US3961836A (en) 1976-06-08
SE408830B (sv) 1979-07-09
JPS5157458A (en) 1976-05-19
FR2285645B1 (en:Method) 1978-11-03
IT1042138B (it) 1980-01-30

Similar Documents

Publication Publication Date Title
US3405614A (en) Apparatus for producing a fly's eye lens
FR2280909A1 (fr) Milieu de transmission optique
NL7513125A (nl) Optische golfgeleider.
AT369937B (de) Optische ausleseeinheit
NL7500110A (nl) Uitgangsstelsel voor een optische golfgeleider.
FR2276660A1 (fr) Systeme optique de stockage de donnees binaires effacable selectivement et agencees par pages enregistrees holographiquement
IT1028311B (it) Dispositivo di focalizzazione e lettore ottico comportanteun siffatto dispositivo
BE769240A (fr) Generateur de fonctions logique optique
FR2290059A1 (fr) Circuit optique a laser a semi-conducteurs
RO72099A (ro) Lentila cu putere focala variabila
NL7514779A (nl) Optische geleider.
FR1537810A (fr) Dispositif optique de lecture de code
NL7510685A (nl) Optische golfgeleiderinrichting.
NL7506481A (nl) Optische golfgeleider.
FR2296194A1 (fr) Systeme optique pour objectif a distance focale variable en continu
BE833646A (fr) Hologramme a image focalisee permettant une augmentation du rendement optique de lecture
IT959979B (it) Memoria associativa ottica
IT1031213B (it) Distanziale generatore di turbo lenza
FR2277467A1 (fr) Commutateur optique
FR1514511A (fr) Lecture optique
GB1342747A (en:Method)
IT1019393B (it) Schermo o ottica atta a fornire una immagine ad effetto tridimen sionale a partire da una immagine bidimensionale
GB1330511A (en) Hologram memory
SE413559B (sv) Optisk anordning for avsokning av ett fokalplan
FR1437530A (fr) Perfectionnements aux cellules de pompage optique