CA2186603C - Hologramme utilise en tant que capteur - Google Patents

Hologramme utilise en tant que capteur Download PDF

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Publication number
CA2186603C
CA2186603C CA002186603A CA2186603A CA2186603C CA 2186603 C CA2186603 C CA 2186603C CA 002186603 A CA002186603 A CA 002186603A CA 2186603 A CA2186603 A CA 2186603A CA 2186603 C CA2186603 C CA 2186603C
Authority
CA
Canada
Prior art keywords
support medium
hologram
sensor
change
holographic
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
CA002186603A
Other languages
English (en)
Other versions
CA2186603A1 (fr
Inventor
Christopher Robin Lowe
Roger Bradley Millington
Jeffrey Blyth
Andrew Geoffrey Mayes
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.)
Smart Holograms Ltd
Original Assignee
Smart Holograms Ltd
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 GB9406142A external-priority patent/GB9406142D0/en
Application filed by Smart Holograms Ltd filed Critical Smart Holograms Ltd
Priority to CA002589766A priority Critical patent/CA2589766A1/fr
Publication of CA2186603A1 publication Critical patent/CA2186603A1/fr
Application granted granted Critical
Publication of CA2186603C publication Critical patent/CA2186603C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/4788—Diffraction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
    • G01N33/543—Immunoassay; Biospecific binding assay; Materials therefor with an insoluble carrier for immobilising immunochemicals
    • G01N33/54366—Apparatus specially adapted for solid-phase testing
    • G01N33/54373—Apparatus specially adapted for solid-phase testing involving physiochemical end-point determination, e.g. wave-guides, FETS, gratings
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/32—Holograms used as optical elements
    • 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
    • G03H1/18—Particular processing of hologram record carriers, e.g. for obtaining blazed holograms
    • 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
    • G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
    • G03H1/024—Hologram nature or properties
    • G03H1/0248—Volume holograms
    • 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
    • G03H1/0005—Adaptation of holography to specific applications
    • G03H2001/0033—Adaptation of holography to specific applications in hologrammetry for measuring or analysing
    • 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
    • G03H1/18—Particular processing of hologram record carriers, e.g. for obtaining blazed holograms
    • G03H2001/186—Swelling or shrinking the holographic record or compensation thereof, e.g. for controlling the reconstructed wavelength
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2222/00—Light sources or light beam properties
    • G03H2222/40—Particular irradiation beam not otherwise provided for
    • G03H2222/47—Evanescent wave

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hematology (AREA)
  • Analytical Chemistry (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Urology & Nephrology (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Optics & Photonics (AREA)
  • Biotechnology (AREA)
  • Cell Biology (AREA)
  • Holo Graphy (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

L'invention concerne un capteur (9) comprenant un hologramme (17) placé sur un milieu (10) de support holographique ou à l'intérieur de celui-ci. Une espèce à détecter réagit avec une substance répartie dans tout le capteur (9). Eventuellement, on a réparti sur une partie ou sur la totalité du capteur (9) un produit chimique réagissant avec une espèce à détecter ou avec un conjugué de liaison spécifique d'une espèce à détecter. Cette(ces) réaction(s) provoque(nt) un (des) changement(s) dans l'hologramme (17) ou dans le milieu (10) de support holographique, lequel à son tour change une ou plusieurs des caractéristiques optiques de l'hologramme (17). Le changement provoqué dans les caractéristiques optiques de l'hologramme (17) et/ou du milieu (10) de support holographique, donne de préférence naissance à un décalage de longueur d'onde dans le rayonnement incident. Le changement du paramètre optique est fonction de l'espèce à détecter. Les avantages de ce capteur résident en ce que celui-ci est bon marché, facile à fabriquer et, une fois calibré, fiable et robuste.
CA002186603A 1994-03-28 1995-03-27 Hologramme utilise en tant que capteur Expired - Fee Related CA2186603C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002589766A CA2589766A1 (fr) 1994-03-28 1995-03-27 Hologramme utilise en tant que capteur

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9406142A GB9406142D0 (en) 1994-03-28 1994-03-28 A sensor
GB9406142.1 1994-03-28
PCT/GB1995/000688 WO1995026499A1 (fr) 1994-03-28 1995-03-27 Hologramme utilise en tant que capteur

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA002589766A Division CA2589766A1 (fr) 1994-03-28 1995-03-27 Hologramme utilise en tant que capteur

Publications (2)

Publication Number Publication Date
CA2186603A1 CA2186603A1 (fr) 1995-10-05
CA2186603C true CA2186603C (fr) 2007-08-14

Family

ID=38434425

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002186603A Expired - Fee Related CA2186603C (fr) 1994-03-28 1995-03-27 Hologramme utilise en tant que capteur

Country Status (1)

Country Link
CA (1) CA2186603C (fr)

Also Published As

Publication number Publication date
CA2186603A1 (fr) 1995-10-05

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