DK2836787T3 - Multihastighed-OCT-swept-source med optimeret k-taktgiver - Google Patents

Multihastighed-OCT-swept-source med optimeret k-taktgiver Download PDF

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Publication number
DK2836787T3
DK2836787T3 DK13716715.1T DK13716715T DK2836787T3 DK 2836787 T3 DK2836787 T3 DK 2836787T3 DK 13716715 T DK13716715 T DK 13716715T DK 2836787 T3 DK2836787 T3 DK 2836787T3
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DK
Denmark
Prior art keywords
optimized
stroke sensor
swept source
speed oct
oct swept
Prior art date
Application number
DK13716715.1T
Other languages
English (en)
Inventor
Bartley C Johnson
Dale C Flanders
Brian Goldberg
Original Assignee
Axsun Tech Inc
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 Tech Inc filed Critical Axsun Tech Inc
Application granted granted Critical
Publication of DK2836787T3 publication Critical patent/DK2836787T3/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
    • G01B9/02001—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
    • G01B9/02001—Interferometers characterised by controlling or generating intrinsic radiation properties
    • G01B9/02007—Two or more frequencies or sources used for interferometric measurement
    • 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
    • G01B9/0209—Low-coherence interferometers
    • G01B9/02091—Tomographic interferometers, e.g. based on optical coherence

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)
DK13716715.1T 2012-04-12 2013-04-08 Multihastighed-OCT-swept-source med optimeret k-taktgiver DK2836787T3 (da)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261623396P 2012-04-12 2012-04-12
US13/650,665 US9243885B2 (en) 2012-04-12 2012-10-12 Multi-speed OCT swept source with optimized k-clock
PCT/US2013/035544 WO2013154953A1 (en) 2012-04-12 2013-04-08 Multi-speed oct swept source with optimized k-clock

Publications (1)

Publication Number Publication Date
DK2836787T3 true DK2836787T3 (da) 2021-01-11

Family

ID=49324798

Family Applications (1)

Application Number Title Priority Date Filing Date
DK13716715.1T DK2836787T3 (da) 2012-04-12 2013-04-08 Multihastighed-OCT-swept-source med optimeret k-taktgiver

Country Status (6)

Country Link
US (1) US9243885B2 (da)
EP (1) EP2836787B1 (da)
JP (1) JP6389455B2 (da)
CA (1) CA2869750C (da)
DK (1) DK2836787T3 (da)
WO (1) WO2013154953A1 (da)

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US9784559B2 (en) * 2012-03-21 2017-10-10 Ludwig-Maximilians-Universität München Swept source OCT system and method with phase-locked detection
CA2895989A1 (en) * 2012-12-20 2014-07-10 Nathaniel J. Kemp Optical coherence tomography system that is reconfigurable between different imaging modes
US9279742B1 (en) * 2013-03-15 2016-03-08 Insight Photonic Solutions, Inc. System and method of measurement frequency shifting to isolate external environmental conditions for interferometric dispersion measurements
JP6125981B2 (ja) * 2013-12-10 2017-05-10 株式会社トーメーコーポレーション 光断層画像装置用サンプルクロック発生装置、および光断層画像装置
US9310182B2 (en) 2013-12-30 2016-04-12 Axsun Technologies Llc Spectral filtering of k-clock signal in OCT system and method
WO2016015046A1 (en) * 2014-07-25 2016-01-28 Axsun Technologies Llc Real time fpga resampling for swept source optical coherence tomography
JP6181013B2 (ja) * 2014-08-08 2017-08-16 株式会社吉田製作所 光干渉断層画像生成装置及び光干渉断層画像生成方法
US9267783B1 (en) * 2014-09-10 2016-02-23 Carl Zeiss Meditec, Inc. Split integration mode acquisition for optimized OCT imaging at multiple speeds
EP3200361B1 (en) * 2014-09-25 2021-10-27 Nec Corporation Signal detection device and signal detection method
AU2016349290A1 (en) 2015-11-03 2018-05-17 Amo Wavefront Sciences, Llc Signal extraction systems and methods
EP3472552B1 (en) * 2016-06-15 2020-12-09 Carl Zeiss Meditec AG Efficient sampling of optical coherence tomography data for explicit ranging over extended depth
JP6812692B2 (ja) * 2016-07-27 2021-01-13 富士ゼロックス株式会社 レーザ部品、レーザ光発生装置及び光干渉断層計
JP6812693B2 (ja) * 2016-07-27 2021-01-13 富士ゼロックス株式会社 レーザ部品及びレーザ光発生装置
AU2017382218B2 (en) 2016-12-21 2023-05-11 Acucela Inc. Miniaturized mobile, low cost optical coherence tomography system for home based ophthalmic applications
ES2904453T3 (es) * 2017-01-24 2022-04-05 Alcon Inc Conmutación de modo dinámico para tomografía de coherencia óptica oftálmica multimodo
JP7146911B2 (ja) * 2017-11-02 2022-10-04 アルコン インコーポレイティド 光コヒーレンストモグラフィにおけるエイリアシングを回避するためのｋクロックによるデュアルエッジサンプリング
WO2019246412A1 (en) 2018-06-20 2019-12-26 Acucela Inc. Miniaturized mobile, low cost optical coherence tomography system for home based ophthalmic applications
JPWO2020044712A1 (ja) * 2018-08-29 2021-08-10 株式会社トプコン 眼科装置、及びその制御方法
WO2021134087A1 (en) 2019-12-26 2021-07-01 Acucela Inc. Optical coherence tomography patient alignment system for home based ophthalmic applications
JP7363614B2 (ja) * 2020-03-13 2023-10-18 オムロン株式会社 光干渉計測装置
US10959613B1 (en) 2020-08-04 2021-03-30 Acucela Inc. Scan pattern and signal processing for optical coherence tomography
WO2022035809A1 (en) 2020-08-14 2022-02-17 Acucela Inc. System and method for optical coherence tomography a-scan decurving
US11393094B2 (en) 2020-09-11 2022-07-19 Acucela Inc. Artificial intelligence for evaluation of optical coherence tomography images
AU2021352417A1 (en) 2020-09-30 2023-04-06 Acucela Inc. Myopia prediction, diagnosis, planning, and monitoring device
US11497396B2 (en) 2021-03-24 2022-11-15 Acucela Inc. Axial length measurement monitor
CN117110249B (zh) * 2023-10-23 2024-02-13 深圳湾实验室 大焦深的焦点可调的oct成像装置及其成像方法

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US7061618B2 (en) 2003-10-17 2006-06-13 Axsun Technologies, Inc. Integrated spectroscopy system
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JP2007101266A (ja) * 2005-09-30 2007-04-19 Fujifilm Corp 光断層画像化装置
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US8564783B2 (en) * 2008-05-15 2013-10-22 Axsun Technologies, Inc. Optical coherence tomography laser with integrated clock
US8500279B2 (en) * 2008-11-06 2013-08-06 Carl Zeiss Meditec, Inc. Variable resolution optical coherence tomography scanner and method for using same
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US8665450B2 (en) * 2009-10-02 2014-03-04 Axsun Technologies, Inc. Integrated dual swept source for OCT medical imaging
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Also Published As

Publication number Publication date
US20130271772A1 (en) 2013-10-17
WO2013154953A1 (en) 2013-10-17
EP2836787A1 (en) 2015-02-18
JP6389455B2 (ja) 2018-09-12
CA2869750A1 (en) 2013-10-17
US9243885B2 (en) 2016-01-26
EP2836787B1 (en) 2020-10-28
JP2015513110A (ja) 2015-04-30
CA2869750C (en) 2020-03-24

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