CA2703102C - Depth of field extension for optical tomography - Google Patents

Depth of field extension for optical tomography Download PDF

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Publication number
CA2703102C
CA2703102C CA2703102A CA2703102A CA2703102C CA 2703102 C CA2703102 C CA 2703102C CA 2703102 A CA2703102 A CA 2703102A CA 2703102 A CA2703102 A CA 2703102A CA 2703102 C CA2703102 C CA 2703102C
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Canada
Prior art keywords
light
detector
lens
interest
focus
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Expired - Fee Related
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CA2703102A
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English (en)
French (fr)
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CA2703102A1 (en
Inventor
Richard J. Rahn
Jon W. Hayenga
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VisionGate Inc
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VisionGate Inc
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    • 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
    • G01N21/4795—Scattering, i.e. diffuse reflection spatially resolved investigating of object in scattering medium
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0073—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence by tomography, i.e. reconstruction of 3D images from 2D projections
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10—Investigating individual particles
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N15/1468—Optical investigation techniques, e.g. flow cytometry with spatial resolution of the texture or inner structure of the particle

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  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Optics & Photonics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Microscoopes, Condenser (AREA)
  • Eye Examination Apparatus (AREA)
CA2703102A 2007-10-22 2008-10-22 Depth of field extension for optical tomography Expired - Fee Related CA2703102C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/876,658 US7787112B2 (en) 2007-10-22 2007-10-22 Depth of field extension for optical tomography
US11/876,658 2007-10-22
PCT/US2008/080726 WO2009055429A1 (en) 2007-10-22 2008-10-22 Depth of field extension for optical tomography

Publications (2)

Publication Number Publication Date
CA2703102A1 CA2703102A1 (en) 2009-04-30
CA2703102C true CA2703102C (en) 2016-11-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA2703102A Expired - Fee Related CA2703102C (en) 2007-10-22 2008-10-22 Depth of field extension for optical tomography

Country Status (5)

Country Link
US (2) US7787112B2 (enExample)
JP (1) JP2011503530A (enExample)
CN (1) CN101896856B (enExample)
CA (1) CA2703102C (enExample)
WO (1) WO2009055429A1 (enExample)

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