DK3900609T3 - Swept-source optisk kohærenstomografi-billeddannelsessystem - Google Patents

Swept-source optisk kohærenstomografi-billeddannelsessystem Download PDF

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Publication number
DK3900609T3
DK3900609T3 DK21168558.1T DK21168558T DK3900609T3 DK 3900609 T3 DK3900609 T3 DK 3900609T3 DK 21168558 T DK21168558 T DK 21168558T DK 3900609 T3 DK3900609 T3 DK 3900609T3
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DK
Denmark
Prior art keywords
swept
imaging system
optical coherence
coherence tomography
source optical
Prior art date
Application number
DK21168558.1T
Other languages
English (en)
Inventor
Miguel Angel Preciado
Chacko Lijo Varughese
Original Assignee
Optos Plc
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 Optos Plc filed Critical Optos Plc
Application granted granted Critical
Publication of DK3900609T3 publication Critical patent/DK3900609T3/da

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/0209—Low-coherence interferometers
    • G01B9/02091—Tomographic interferometers, e.g. based on optical coherence
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/102—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for optical coherence tomography [OCT]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/0016—Operational features thereof
    • A61B3/0025—Operational features thereof characterised by electronic signal processing, e.g. eye models
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02001—Interferometers characterised by controlling or generating intrinsic radiation properties
    • G01B9/02002—Interferometers characterised by controlling or generating intrinsic radiation properties using two or more frequencies
    • G01B9/02004—Interferometers characterised by controlling or generating intrinsic radiation properties using two or more frequencies using frequency scans
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02015—Interferometers characterised by the beam path configuration
    • G01B9/02027—Two or more interferometric channels or interferometers
    • G01B9/02028—Two or more reference or object arms in one interferometer
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02041—Interferometers characterised by particular imaging or detection techniques
    • G01B9/02043—Imaging of the Fourier or pupil or back focal plane, i.e. angle resolved imaging
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02055—Reduction or prevention of errors; Testing; Calibration
    • G01B9/02062—Active error reduction, i.e. varying with time
    • G01B9/02067—Active error reduction, i.e. varying with time by electronic control systems, i.e. using feedback acting on optics or light
    • G01B9/02069—Synchronization of light source or manipulator and detector
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02083—Interferometers characterised by particular signal processing and presentation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00—Measuring instruments characterised by the use of optical techniques
    • G01B9/02—Interferometers
    • G01B9/02083—Interferometers characterised by particular signal processing and presentation
    • G01B9/02084—Processing in the Fourier or frequency domain when not imaged in the frequency domain
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Signal Processing (AREA)
  • Ophthalmology & Optometry (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Automation & Control Theory (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Eye Examination Apparatus (AREA)
DK21168558.1T 2020-04-23 2021-04-15 Swept-source optisk kohærenstomografi-billeddannelsessystem DK3900609T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20171060 2020-04-23

Publications (1)

Publication Number Publication Date
DK3900609T3 true DK3900609T3 (da) 2022-10-31

Family

ID=70417438

Family Applications (1)

Application Number Title Priority Date Filing Date
DK21168558.1T DK3900609T3 (da) 2020-04-23 2021-04-15 Swept-source optisk kohærenstomografi-billeddannelsessystem

Country Status (6)

Country Link
US (1) US12487072B2 (da)
EP (1) EP3900609B1 (da)
JP (1) JP7171812B2 (da)
CN (1) CN113545743B (da)
DK (1) DK3900609T3 (da)
ES (1) ES2929036T3 (da)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116659398A (zh) * 2023-03-20 2023-08-29 浙江求是半导体设备有限公司 晶圆面形测量系统及基于晶圆面形测量系统的测量方法
EP4439003A1 (en) * 2023-03-30 2024-10-02 Optos PLC Switchable multi-configuration oct
CN117934866B (zh) * 2024-03-18 2024-05-28 板石智能科技(深圳)有限公司 一种白光干涉仪有效干涉图像提取方法及装置
CN119780038B (zh) * 2024-12-23 2025-09-19 苏州森璱尔智能科技有限公司 一种全量程光学相干断层成像系统及方法
CN119379839B (zh) * 2024-12-27 2025-03-18 中国科学院合肥物质科学研究院 一种用于相干成像系统中目标物质分布图像处理的方法
CN120113994B (zh) * 2025-04-11 2025-12-12 安徽大学 基于自混合游标效应的多参数眼轴测量和数据处理系统

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US6947147B2 (en) * 2002-08-21 2005-09-20 Agilent Technologies, Inc. De-embedment of optical component characteristics and calibration of optical receivers using rayleigh backscatter
EP2278287B1 (en) * 2003-10-27 2016-09-07 The General Hospital Corporation Method and apparatus for performing optical imaging using frequency-domain interferometry
CN102973243B (zh) * 2007-01-10 2015-11-25 光学实验室成像公司 用于扫频源光学相干断层的方法和装置
US8125645B2 (en) * 2008-03-31 2012-02-28 Fujifilm Corporation Optical tomographic imaging system, tomographic image acquiring method, and optical tomographic image forming method
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US8668647B2 (en) * 2010-10-15 2014-03-11 The University Of British Columbia Bandpass sampling for elastography
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WO2014186534A1 (en) * 2013-05-17 2014-11-20 Ninepoint Medical, Inc. Frequency-domain optical coherence tomography with extended field-of-view and reduction of aliasing artifacts
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Also Published As

Publication number Publication date
CN113545743B (zh) 2024-05-31
CN113545743A (zh) 2021-10-26
US12487072B2 (en) 2025-12-02
EP3900609B1 (en) 2022-10-05
JP7171812B2 (ja) 2022-11-15
EP3900609A1 (en) 2021-10-27
JP2021173760A (ja) 2021-11-01
US20210348912A1 (en) 2021-11-11
ES2929036T3 (es) 2022-11-24

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