WO2012105780A3 - 듀얼 포커싱 광 결맞음 영상 장치 - Google Patents

듀얼 포커싱 광 결맞음 영상 장치 Download PDF

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Publication number
WO2012105780A3
WO2012105780A3 PCT/KR2012/000698 KR2012000698W WO2012105780A3 WO 2012105780 A3 WO2012105780 A3 WO 2012105780A3 KR 2012000698 W KR2012000698 W KR 2012000698W WO 2012105780 A3 WO2012105780 A3 WO 2012105780A3
Authority
WO
WIPO (PCT)
Prior art keywords
interference
light
imaging system
optical coherence
coherence imaging
Prior art date
Application number
PCT/KR2012/000698
Other languages
English (en)
French (fr)
Other versions
WO2012105780A2 (ko
Inventor
김법민
정현우
이상원
Original Assignee
고려대학교 산학협력단
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 KR1020110010155A external-priority patent/KR101242315B1/ko
Priority claimed from KR1020120005919A external-priority patent/KR101287289B1/ko
Application filed by 고려대학교 산학협력단 filed Critical 고려대학교 산학협력단
Priority to EP12742563.5A priority Critical patent/EP2674102B1/en
Priority to US13/980,973 priority patent/US9492076B2/en
Publication of WO2012105780A2 publication Critical patent/WO2012105780A2/ko
Publication of WO2012105780A3 publication Critical patent/WO2012105780A3/ko

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Classifications

    • 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
    • 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
    • G01B9/02015—Interferometers characterised by the beam path configuration
    • G01B9/02017—Interferometers characterised by the beam path configuration with multiple interactions between the target object and light beams, e.g. beam reflections occurring from different locations
    • G01B9/02021—Interferometers characterised by the beam path configuration with multiple interactions between the target object and light beams, e.g. beam reflections occurring from different locations contacting different faces of object, e.g. opposite faces
    • 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
    • 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
    • G01B9/02044—Imaging in the frequency domain, e.g. by using a spectrometer
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Ophthalmology & Optometry (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Eye Examination Apparatus (AREA)
  • Focusing (AREA)
  • Microscoopes, Condenser (AREA)

Abstract

본 발명은, 광 대역의 빛을 생성하는 광원부; 상기 광원부로부터 생성된 빛을 분배하여 진행시키는 메인 광분배기; 상기 광분배기로부터 분배된 빛을 각각 사용하여 피검체의 상이한 초점 영역에 대한 간섭 신호를 형성하는 제 1 간섭부 및 제 2 간섭부와, 상기 제 1 간섭부와 상기 제 2 간섭부에 공통적으로 연결되는 커먼 샘플암을 구비하는 간섭 유니트; 상기 제 1 간섭부 및 제 2 간섭부와 연결되고, 상기 제 1 간섭부 및 상기 제 2 간섭부로부터 전달되는 상기 간섭 신호를 선택하기 위한 광스위치; 상기 광스위치로부터 사전 설정 모드에 따라 선택되는 상기 간섭 신호를 전기적 신호로 변환하는 검출 유니트;를 구비하는 듀얼 포커싱 광 결맞음 영상 장치를 제공한다.
PCT/KR2012/000698 2011-02-01 2012-01-30 듀얼 포커싱 광 결맞음 영상 장치 WO2012105780A2 (ko)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP12742563.5A EP2674102B1 (en) 2011-02-01 2012-01-30 Dual focusing optical coherence imaging system
US13/980,973 US9492076B2 (en) 2011-02-01 2012-01-30 Dual focusing optical coherence imaging system

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR1020110010155A KR101242315B1 (ko) 2011-02-01 2011-02-01 듀얼 포커싱 광 결맞음 영상 장치
KR10-2011-0010155 2011-02-01
KR1020120005919A KR101287289B1 (ko) 2012-01-18 2012-01-18 듀얼 포커싱 광 결맞음 영상 장치
KR10-2012-0005919 2012-01-18

Publications (2)

Publication Number Publication Date
WO2012105780A2 WO2012105780A2 (ko) 2012-08-09
WO2012105780A3 true WO2012105780A3 (ko) 2012-12-13

Family

ID=46603194

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2012/000698 WO2012105780A2 (ko) 2011-02-01 2012-01-30 듀얼 포커싱 광 결맞음 영상 장치

Country Status (3)

Country Link
US (1) US9492076B2 (ko)
EP (1) EP2674102B1 (ko)
WO (1) WO2012105780A2 (ko)

Families Citing this family (21)

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JP5627321B2 (ja) * 2010-07-09 2014-11-19 キヤノン株式会社 光断層画像撮像装置及びその撮像方法
JP5610884B2 (ja) 2010-07-09 2014-10-22 キヤノン株式会社 光断層撮像装置及び光断層撮像方法
JP5936368B2 (ja) 2012-01-20 2016-06-22 キヤノン株式会社 光干渉断層撮影装置及びその作動方法
JP6146951B2 (ja) 2012-01-20 2017-06-14 キヤノン株式会社 画像処理装置、画像処理方法、撮影装置及び撮影方法
JP5988772B2 (ja) 2012-01-20 2016-09-07 キヤノン株式会社 画像処理装置及び画像処理方法
JP2013148509A (ja) 2012-01-20 2013-08-01 Canon Inc 画像処理装置及び画像処理方法
JP6061554B2 (ja) 2012-01-20 2017-01-18 キヤノン株式会社 画像処理装置及び画像処理方法
JP6039185B2 (ja) 2012-01-20 2016-12-07 キヤノン株式会社 撮影装置
US9291500B2 (en) * 2014-01-29 2016-03-22 Raytheon Company Configurable combination spectrometer and polarizer
CN104013383A (zh) * 2014-06-04 2014-09-03 南京航空航天大学 双焦点眼前后节同步成像系统及成像方法
WO2016033199A1 (en) * 2014-08-28 2016-03-03 Adelos, Inc. Real-time fiber optic interferometry controller
CA2882784C (en) * 2014-11-05 2021-02-02 National Taiwan University Three-dimensional optical coherence tomography apparatus and its application
EP3253275B1 (en) * 2015-02-06 2019-10-23 AMO WaveFront Sciences, LLC Systems and methods of optical coherence tomography with a multi-focal delay line
JP6518132B2 (ja) * 2015-05-26 2019-05-22 株式会社トプコン 眼科撮影装置
KR101791920B1 (ko) * 2016-06-20 2017-11-20 을지대학교 산학협력단 단일검출기 기반의 다초점 광 단층 영상 시스템
EP4306901A3 (en) * 2017-10-12 2024-04-03 The General Hospital Corporation System for multiple reference arm spectral domain optical coherence tomography
CN108143395A (zh) * 2018-01-04 2018-06-12 南通奇铭影像科技有限公司 一种单光源多路分区扫频oct系统及其分区扫频实现方法
CN109691973B (zh) * 2018-12-29 2023-06-13 佛山科学技术学院 一种用于测量眼球脉动的光学相干层析成像系统
CN110477852B (zh) * 2019-08-02 2024-06-18 佛山科学技术学院 一种虹膜血管成像系统
CN113509142B (zh) * 2021-06-07 2023-06-02 天津市索维电子技术有限公司 一种大视野视网膜检查装置
CN115078264B (zh) * 2022-08-22 2022-11-18 广东大湾区空天信息研究院 偏振敏感型光学相干层析成像系统、方法

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Also Published As

Publication number Publication date
US20130301006A1 (en) 2013-11-14
WO2012105780A2 (ko) 2012-08-09
EP2674102A2 (en) 2013-12-18
EP2674102A4 (en) 2017-07-19
EP2674102B1 (en) 2018-12-26
US9492076B2 (en) 2016-11-15

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