CN111699358A - 用于光学相干断层扫描成像仪的数字转换器 - Google Patents

用于光学相干断层扫描成像仪的数字转换器 Download PDF

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Publication number
CN111699358A
CN111699358A CN201880087659.1A CN201880087659A CN111699358A CN 111699358 A CN111699358 A CN 111699358A CN 201880087659 A CN201880087659 A CN 201880087659A CN 111699358 A CN111699358 A CN 111699358A
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CN
China
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signal
digital
oct
digitizer
clock
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Pending
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CN201880087659.1A
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English (en)
Chinese (zh)
Inventor
D·埃比歇尔
P-F·迈斯特
T·布拉塞尔
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Aikoris Co ltd
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Aikoris Co ltd
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Publication of CN111699358A publication Critical patent/CN111699358A/zh
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    • 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
    • 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
    • G01B9/02055—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
    • G01B9/0209—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
    • G01B2290/00—Aspects of interferometers not specifically covered by any group under G01B9/02
    • G01B2290/60—Reference interferometer, i.e. additional interferometer not interacting with object
    • 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Signal Processing (AREA)
  • Automation & Control Theory (AREA)
  • Optics & Photonics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
CN201880087659.1A 2018-01-26 2018-01-26 用于光学相干断层扫描成像仪的数字转换器 Pending CN111699358A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2018/050489 WO2019145754A1 (en) 2018-01-26 2018-01-26 Digitizer for an optical coherence tomography imager

Publications (1)

Publication Number Publication Date
CN111699358A true CN111699358A (zh) 2020-09-22

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CN201880087659.1A Pending CN111699358A (zh) 2018-01-26 2018-01-26 用于光学相干断层扫描成像仪的数字转换器

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Country Link
US (1) US11397076B2 (https=)
EP (1) EP3743678B1 (https=)
JP (1) JP7252977B2 (https=)
CN (1) CN111699358A (https=)
CA (1) CA3088605A1 (https=)
WO (1) WO2019145754A1 (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN112603255A (zh) * 2021-03-04 2021-04-06 季华实验室 一种可消除固有噪声的光学相干成像系统及成像方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4655553A1 (en) * 2023-01-23 2025-12-03 IPG Photonics Corporation Swept-source optical coherence tomography with enhanced signal detection

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150109621A1 (en) * 2012-03-21 2015-04-23 Ludwig Maximilians Universität Swept source oct system and method with phase-locked detection
CN104854423A (zh) * 2012-12-06 2015-08-19 周超 空分复用光学相干断层扫描设备及方法
US20160025478A1 (en) * 2014-07-25 2016-01-28 Axsun Technologies Llc Real Time FPGA Resampling for Swept Source Optical Coherence Tomography
CN106949966A (zh) * 2017-03-24 2017-07-14 中国科学院上海光学精密机械研究所 扫频光学相干层析成像系统的光谱标定方法
US20170241763A1 (en) * 2016-02-24 2017-08-24 Kabushiki Kaisha Topcon Methods and apparatus for phase stabilized swept-source optical coherence tomography (ss-oct) including rescaling and dynamic range enhancement
US20170307353A1 (en) * 2016-04-25 2017-10-26 Kabushiki Kaisha Topcon Swept-source optical coherence tomography (ss-oct) phase stabilization with reference signal calibration

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8687666B2 (en) * 2010-12-28 2014-04-01 Axsun Technologies, Inc. Integrated dual swept source for OCT medical imaging
JP2013181790A (ja) * 2012-02-29 2013-09-12 Systems Engineering Inc 周波数走査型ｏｃｔ用サンプリングクロック発生装置の使用方法、周波数走査型ｏｃｔ用サンプリングクロック発生装置
JP6047059B2 (ja) * 2013-04-22 2016-12-21 日本電信電話株式会社 データ処理装置およびリサンプリング方法
JP6465557B2 (ja) 2014-04-08 2019-02-06 株式会社トーメーコーポレーション 断層撮影装置
JP6426974B2 (ja) * 2014-10-20 2018-11-21 株式会社トプコン データ処理方法及びｏｃｔ装置
JP6779662B2 (ja) * 2016-05-23 2020-11-04 キヤノン株式会社 撮像装置、撮像装置の制御方法、及びプログラム

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150109621A1 (en) * 2012-03-21 2015-04-23 Ludwig Maximilians Universität Swept source oct system and method with phase-locked detection
CN104854423A (zh) * 2012-12-06 2015-08-19 周超 空分复用光学相干断层扫描设备及方法
US20160025478A1 (en) * 2014-07-25 2016-01-28 Axsun Technologies Llc Real Time FPGA Resampling for Swept Source Optical Coherence Tomography
US20170241763A1 (en) * 2016-02-24 2017-08-24 Kabushiki Kaisha Topcon Methods and apparatus for phase stabilized swept-source optical coherence tomography (ss-oct) including rescaling and dynamic range enhancement
US20170307353A1 (en) * 2016-04-25 2017-10-26 Kabushiki Kaisha Topcon Swept-source optical coherence tomography (ss-oct) phase stabilization with reference signal calibration
CN106949966A (zh) * 2017-03-24 2017-07-14 中国科学院上海光学精密机械研究所 扫频光学相干层析成像系统的光谱标定方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN112603255A (zh) * 2021-03-04 2021-04-06 季华实验室 一种可消除固有噪声的光学相干成像系统及成像方法
CN112603255B (zh) * 2021-03-04 2021-07-20 季华实验室 一种可消除固有噪声的光学相干成像系统及成像方法

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Publication number Publication date
US20210055096A1 (en) 2021-02-25
EP3743678B1 (en) 2024-07-31
WO2019145754A1 (en) 2019-08-01
CA3088605A1 (en) 2019-08-01
US11397076B2 (en) 2022-07-26
EP3743678A1 (en) 2020-12-02
JP7252977B2 (ja) 2023-04-05
EP3743678C0 (en) 2024-07-31
JP2021517254A (ja) 2021-07-15

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Application publication date: 20200922