WO2012091958A2 - Integrated optical coherence tomography system - Google Patents

Integrated optical coherence tomography system Download PDF

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Publication number
WO2012091958A2
WO2012091958A2 PCT/US2011/065397 US2011065397W WO2012091958A2 WO 2012091958 A2 WO2012091958 A2 WO 2012091958A2 US 2011065397 W US2011065397 W US 2011065397W WO 2012091958 A2 WO2012091958 A2 WO 2012091958A2
Authority
WO
WIPO (PCT)
Prior art keywords
sample
optical signal
beam splitter
source
reference arm
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.)
Ceased
Application number
PCT/US2011/065397
Other languages
English (en)
French (fr)
Other versions
WO2012091958A3 (en
Inventor
Dale C. Flanders
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.)
Axsun Technologies LLC
Original Assignee
Axsun Technologies LLC
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 Axsun Technologies LLC filed Critical Axsun Technologies LLC
Priority to JP2013547523A priority Critical patent/JP6088981B2/ja
Priority to EP11811446.1A priority patent/EP2659223B1/en
Priority to CN201180067945XA priority patent/CN103370597A/zh
Publication of WO2012091958A2 publication Critical patent/WO2012091958A2/en
Publication of WO2012091958A3 publication Critical patent/WO2012091958A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • 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
    • G01B9/02049—Interferometers characterised by particular mechanical design details
    • G01B9/02051—Integrated design, e.g. on-chip or monolithic
    • 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
    • G01B9/02056—Passive reduction of errors
    • G01B9/02059—Reducing effect of parasitic reflections, e.g. cyclic errors
    • 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
    • G01B2290/00—Aspects of interferometers not specifically covered by any group under G01B9/02
    • G01B2290/45—Multiple detectors for detecting interferometer signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B2290/00—Aspects of interferometers not specifically covered by any group under G01B9/02
    • G01B2290/70—Using polarization in the interferometer

Definitions

  • a reflective block can be used in the reference arm that receives and repeatedly reflects the source optical signal.
  • a reference arm nonreciprocal polarization rotation element comprising a Faraday rotator 216 and a half wave plate 218 transmits the signal from the swept source 100 without any rotation of its polarization. As a result, the tunable signal is then transmitted through a second reference arm polarization beam splitter 220.
  • two transimpedance amplifiers 350-1, 350-2 are provided on the optical bench 110.
  • the first transimpedance amplifier 350-1 amplifies the output from the balanced detector pair 226, 232.
  • the second transimpedance amplifier 350-2 amplifies the output from the second balanced receiver pair 236, 238. This yields a highly compact system that also includes important high-speed electronics on the optical bench along with the other optical components.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Optics & Photonics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Instruments For Measurement Of Length By Optical Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
PCT/US2011/065397 2010-12-30 2011-12-16 Integrated optical coherence tomography system Ceased WO2012091958A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2013547523A JP6088981B2 (ja) 2010-12-30 2011-12-16 統合化された光コヒーレンストモグラフィシステム
EP11811446.1A EP2659223B1 (en) 2010-12-30 2011-12-16 Integrated optical coherence tomography system
CN201180067945XA CN103370597A (zh) 2010-12-30 2011-12-16 集成光学相干断层扫描系统

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/981,783 US8437007B2 (en) 2010-12-30 2010-12-30 Integrated optical coherence tomography system
US12/981,783 2010-12-30

Publications (2)

Publication Number Publication Date
WO2012091958A2 true WO2012091958A2 (en) 2012-07-05
WO2012091958A3 WO2012091958A3 (en) 2012-09-13

Family

ID=45524940

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2011/065397 Ceased WO2012091958A2 (en) 2010-12-30 2011-12-16 Integrated optical coherence tomography system

Country Status (5)

Country Link
US (2) US8437007B2 (enExample)
EP (1) EP2659223B1 (enExample)
JP (1) JP6088981B2 (enExample)
CN (1) CN103370597A (enExample)
WO (1) WO2012091958A2 (enExample)

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JP2015070919A (ja) * 2013-10-02 2015-04-16 株式会社トプコン 光画像計測装置
US10488177B2 (en) 2010-12-30 2019-11-26 Axsun Technologies, Inc. Optical coherence tomography (OCT) system having integrated detector and analysis systems

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US9464883B2 (en) 2013-06-23 2016-10-11 Eric Swanson Integrated optical coherence tomography systems and methods
JP6160827B2 (ja) * 2013-09-30 2017-07-12 株式会社ニデック 光コヒーレンストモグラフィー装置
US11293833B2 (en) * 2014-02-17 2022-04-05 Viscore Technology Inc. Methods and systems relating to embedded optical time domain reflectometry
CN103822593B (zh) * 2014-03-17 2017-03-22 沈阳飞机工业（集团）有限公司 大尺寸管件内孔圆柱度误差测量装置及其测量方法
WO2016126861A1 (en) * 2015-02-04 2016-08-11 Apollo Medical Optics Inc. Optical coherence tomography apparatus and its application
US9976844B2 (en) * 2015-02-06 2018-05-22 Medlumics S.L. Miniaturized OCT package and assembly thereof
US20160231101A1 (en) * 2015-02-06 2016-08-11 Eric Swanson Swept-source optical coherence tomography (ss-oct) system with silicon photonic signal processing element having matched path lengths
US20160357007A1 (en) 2015-05-05 2016-12-08 Eric Swanson Fixed distal optics endoscope employing multicore fiber
CN105030202B (zh) * 2015-07-30 2018-01-12 武汉理工大学 基于偏芯保偏光纤干涉增强的oct成像方法
JP6646426B2 (ja) * 2015-12-14 2020-02-14 浜松ホトニクス株式会社 干渉観察装置および干渉観察方法
US10969571B2 (en) * 2016-05-30 2021-04-06 Eric Swanson Few-mode fiber endoscope
CA3048197A1 (en) 2016-12-21 2018-06-28 Acucela Inc. Miniaturized mobile, low cost optical coherence tomography system for home based ophthalmic applications
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
CN108523852A (zh) * 2018-05-10 2018-09-14 视微影像(河南)科技有限公司 一种扫频oct的光学干涉成像系统
EP3572765A1 (de) * 2018-05-23 2019-11-27 Haag-Streit Ag Oct-system und oct-verfahren
WO2019246412A1 (en) 2018-06-20 2019-12-26 Acucela Inc. Miniaturized mobile, low cost optical coherence tomography system for home based ophthalmic applications
CN111123430B (zh) * 2018-10-30 2021-10-01 国科光芯(海宁)科技股份有限公司 一种相控光波导芯片的封装方法
EP3771884A1 (en) * 2019-08-02 2021-02-03 AIT Austrian Institute of Technology GmbH Optical coherence tomography system
EP4081096A4 (en) 2019-12-26 2024-01-10 Acucela Inc. OPTICAL COHERENCE TOMOGRAPHY PATIENT ALIGNMENT SYSTEM FOR HOME OPHTHALMIC APPLICATIONS
US11681093B2 (en) 2020-05-04 2023-06-20 Eric Swanson Multicore fiber with distal motor
US11802759B2 (en) 2020-05-13 2023-10-31 Eric Swanson Integrated photonic chip with coherent receiver and variable optical delay for imaging, sensing, and ranging applications
US10959613B1 (en) 2020-08-04 2021-03-30 Acucela Inc. Scan pattern and signal processing for optical coherence tomography
EP4195998A4 (en) 2020-08-14 2024-08-21 Acucela Inc. SYSTEM AND METHOD FOR DECREASING CURVATURE ALIGNMENT OF OPTICAL COHERENCE TOMOGRAPHY A-SCAN
US11393094B2 (en) 2020-09-11 2022-07-19 Acucela Inc. Artificial intelligence for evaluation of optical coherence tomography images
CA3192083A1 (en) 2020-09-30 2022-04-07 Acucela Inc. Myopia prediction, diagnosis, planning, and monitoring device
JP7460080B2 (ja) * 2020-10-19 2024-04-02 浜松ホトニクス株式会社 光学特性評価装置および光学特性評価方法
JP2024504795A (ja) * 2021-02-01 2024-02-01 カール ツァイス メディテック インコーポレイテッド マイクロベンチｏｃｔの設計
CN112587086A (zh) * 2021-03-04 2021-04-02 季华实验室 一种双模式偏振光学相干成像系统及其成像方法
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Also Published As

Publication number Publication date
US8437007B2 (en) 2013-05-07
JP2014505868A (ja) 2014-03-06
EP2659223A2 (en) 2013-11-06
CN103370597A (zh) 2013-10-23
US20120170046A1 (en) 2012-07-05
US20140125987A1 (en) 2014-05-08
US10488177B2 (en) 2019-11-26
WO2012091958A3 (en) 2012-09-13
JP6088981B2 (ja) 2017-03-01
EP2659223B1 (en) 2018-09-05

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