WO2006130797A3 - Spectral encoding heterodyne interferometry techniques for imaging - Google Patents

Spectral encoding heterodyne interferometry techniques for imaging Download PDF

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Publication number
WO2006130797A3
WO2006130797A3 PCT/US2006/021343 US2006021343W WO2006130797A3 WO 2006130797 A3 WO2006130797 A3 WO 2006130797A3 US 2006021343 W US2006021343 W US 2006021343W WO 2006130797 A3 WO2006130797 A3 WO 2006130797A3
Authority
WO
WIPO (PCT)
Prior art keywords
electro
magnetic radiation
radiation
imaging
interference
Prior art date
Application number
PCT/US2006/021343
Other languages
French (fr)
Other versions
WO2006130797A2 (en
Inventor
Brett Eugene Bouma
Guillermo J Tearney
Dvir Yelin
Seok-Hyun Yun
Original Assignee
Gen Hospital Corp
Brett Eugene Bouma
Guillermo J Tearney
Dvir Yelin
Seok-Hyun Yun
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 Gen Hospital Corp, Brett Eugene Bouma, Guillermo J Tearney, Dvir Yelin, Seok-Hyun Yun filed Critical Gen Hospital Corp
Priority to EP06784536.2A priority Critical patent/EP1887926B1/en
Priority to JP2008514872A priority patent/JP2008542758A/en
Publication of WO2006130797A2 publication Critical patent/WO2006130797A2/en
Publication of WO2006130797A3 publication Critical patent/WO2006130797A3/en

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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
    • G01N21/4795—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
    • A61B5/0062—Arrangements for scanning
    • A61B5/0066—Optical coherence imaging
    • 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
    • A61B5/0082—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes
    • A61B5/0084—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes for introduction into the body, e.g. by catheters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7235—Details of waveform analysis
    • A61B5/7253—Details of waveform analysis characterised by using transforms
    • A61B5/7257—Details of waveform analysis characterised by using transforms using Fourier transforms

Abstract

Systems, arrangements and methods for obtaining three-dimensional imaging data are provided. For example, a broadband light source (100) can provide a particular radiation. A first electro-magnetic radiation can be focused and diffracted, and then provided to at least one sample (140) to generate a spectrally encoded line. A second Electro-magnetic radiation may be provided to a reference, which may include a double-pass rapidly-scanning optical delay (160), where the first and second Electro-- magnetic radiation’s can be based on the particular radiation. An interference between a third Electro-magnetic radiation (associated with the first Electro-magnetic radiation) and a fourth Electro-magnetic radiation (associated with the second Electro-magnetic radiation) can be detected. The spectrally encoded line may be scanned over the sample in a direction approximately perpendicular to the line. Image data containing three-dimensional information can then be obtained based on the interference. The exemplary imaging methods and systems can be used in a small fiber optic or endoscopic probe.
PCT/US2006/021343 2005-05-31 2006-05-31 Spectral encoding heterodyne interferometry techniques for imaging WO2006130797A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP06784536.2A EP1887926B1 (en) 2005-05-31 2006-05-31 System and method which use spectral encoding heterodyne interferometry techniques for imaging
JP2008514872A JP2008542758A (en) 2005-05-31 2006-05-31 System, method and apparatus capable of using spectrally encoded heterodyne interferometry for imaging

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US68651805P 2005-05-31 2005-05-31
US60/686,518 2005-05-31

Publications (2)

Publication Number Publication Date
WO2006130797A2 WO2006130797A2 (en) 2006-12-07
WO2006130797A3 true WO2006130797A3 (en) 2007-01-18

Family

ID=37101622

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/021343 WO2006130797A2 (en) 2005-05-31 2006-05-31 Spectral encoding heterodyne interferometry techniques for imaging

Country Status (4)

Country Link
US (1) US7859679B2 (en)
EP (1) EP1887926B1 (en)
JP (1) JP2008542758A (en)
WO (1) WO2006130797A2 (en)

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