AU2016309769A1 - Distributed delay-line for low-coherence interferometry - Google Patents

Distributed delay-line for low-coherence interferometry Download PDF

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Publication number
AU2016309769A1
AU2016309769A1 AU2016309769A AU2016309769A AU2016309769A1 AU 2016309769 A1 AU2016309769 A1 AU 2016309769A1 AU 2016309769 A AU2016309769 A AU 2016309769A AU 2016309769 A AU2016309769 A AU 2016309769A AU 2016309769 A1 AU2016309769 A1 AU 2016309769A1
Authority
AU
Australia
Prior art keywords
group delay
optical
radiation
coherence tomography
tomography system
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.)
Abandoned
Application number
AU2016309769A
Other languages
English (en)
Inventor
Eduardo MARGALLO BALBÁS
Alberto Martin
José Luis RUBIO GIVERNAU
Juan SANCHO DURÁ
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.)
Medlumics SL
Original Assignee
Medlumics SL
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 Medlumics SL filed Critical Medlumics SL
Publication of AU2016309769A1 publication Critical patent/AU2016309769A1/en
Abandoned legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00Measuring instruments characterised by the use of optical techniques
    • G01B9/02Interferometers
    • G01B9/0209Low-coherence interferometers
    • G01B9/02091Tomographic interferometers, e.g. based on optical coherence
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00Measuring instruments characterised by the use of optical techniques
    • G01B9/02Interferometers
    • G01B9/02015Interferometers characterised by the beam path configuration
    • G01B9/02027Two or more interferometric channels or interferometers
    • G01B9/02028Two or more reference or object arms in one interferometer
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B9/00Measuring instruments characterised by the use of optical techniques
    • G01B9/02Interferometers
    • G01B9/02049Interferometers characterised by particular mechanical design details
    • G01B9/02051Integrated design, e.g. on-chip or monolithic
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B6/12004Combinations of two or more optical elements
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B6/12007Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/28Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G02B6/2861Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using fibre optic delay lines and optical elements associated with them, e.g. for use in signal processing, e.g. filtering
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/28Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29346Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by wave or beam interference
    • G02B6/2935Mach-Zehnder configuration, i.e. comprising separate splitting and combining means
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/42Coupling light guides with opto-electronic elements
    • G02B6/43Arrangements comprising a plurality of opto-electronic elements and associated optical interconnections
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/102Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for optical coherence tomography [OCT]
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B2290/00Aspects of interferometers not specifically covered by any group under G01B9/02
    • G01B2290/35Mechanical variable delay line
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B2290/00Aspects of interferometers not specifically covered by any group under G01B9/02
    • G01B2290/40Non-mechanical variable delay line
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B2006/12133Functions
    • G02B2006/12142Modulator

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing (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)
AU2016309769A 2015-08-19 2016-08-19 Distributed delay-line for low-coherence interferometry Abandoned AU2016309769A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201562207049P 2015-08-19 2015-08-19
US62/207,049 2015-08-19
US15/237,299 US10113858B2 (en) 2015-08-19 2016-08-15 Distributed delay-line for low-coherence interferometry
US15/237,299 2016-08-15
PCT/EP2016/069673 WO2017029386A1 (en) 2015-08-19 2016-08-19 Distributed delay-line for low-coherence interferometry

Publications (1)

Publication Number Publication Date
AU2016309769A1 true AU2016309769A1 (en) 2018-03-15

Family

ID=56801532

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2016309769A Abandoned AU2016309769A1 (en) 2015-08-19 2016-08-19 Distributed delay-line for low-coherence interferometry

Country Status (9)

Country Link
US (1) US10113858B2 (enExample)
EP (2) EP3943879A1 (enExample)
JP (1) JP6951322B2 (enExample)
CN (1) CN108139200A (enExample)
AU (1) AU2016309769A1 (enExample)
BR (1) BR112018003143A2 (enExample)
CA (1) CA2995744A1 (enExample)
ES (1) ES2885867T3 (enExample)
WO (1) WO2017029386A1 (enExample)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7318035B2 (en) 2003-05-08 2008-01-08 Dolby Laboratories Licensing Corporation Audio coding systems and methods using spectral component coupling and spectral component regeneration
TWI497485B (zh) 2004-08-25 2015-08-21 Dolby Lab Licensing Corp 用以重塑經合成輸出音訊信號之時域包絡以更接近輸入音訊信號之時域包絡的方法
US10907951B2 (en) * 2016-09-26 2021-02-02 Academisch Medisch Centrum Single-chip optical coherence tomography device
CN110312918B (zh) 2016-09-26 2021-08-31 学术医疗中心 基于高分辨率集成光学器件的光谱仪
GB2598538A (en) * 2020-05-18 2022-03-09 Univ Loughborough Method and apparatus for measuring distance

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Publication number Priority date Publication date Assignee Title
US5402256A (en) 1994-03-31 1995-03-28 At&T Corp. Optical time slot interchanger apparatus and method of operation
US6198540B1 (en) 1997-03-26 2001-03-06 Kowa Company, Ltd. Optical coherence tomography have plural reference beams of differing modulations
US6775007B2 (en) 2001-01-29 2004-08-10 Joseph A. Izatt Frequency-encoded parallel OCT and associated systems and methods
US6654127B2 (en) 2001-03-01 2003-11-25 Carl Zeiss Ophthalmic Systems, Inc. Optical delay line
WO2004111929A2 (en) * 2003-05-28 2004-12-23 Duke University Improved system for fourier domain optical coherence tomography
RU2273823C1 (ru) * 2004-08-18 2006-04-10 Валентин Михайлович Геликонов Интерферометрическое устройство (варианты)
US7480058B2 (en) * 2006-01-19 2009-01-20 Optovue, Inc. Fourier-domain optical coherence tomography imager
US7899279B2 (en) * 2008-01-10 2011-03-01 Nippon Telegraph And Telephone Corporation Optical delay line interferometer
US20120022360A1 (en) * 2008-03-28 2012-01-26 Volcano Corporation Methods for intravascular imaging and flushing
TW201034626A (en) 2008-07-21 2010-10-01 Optovue Inc Extended range imaging
US8467858B2 (en) * 2009-04-29 2013-06-18 Tomophase Corporation Image-guided thermotherapy based on selective tissue thermal treatment
TWI480513B (zh) * 2009-12-04 2015-04-11 Raydium Semiconductor Corp 光學同調斷層檢測裝置及其運作方法
ES2415555B2 (es) * 2011-05-20 2014-07-09 Medlumics, S.L. Dispositivo de barrido para interferometría de baja coherencia.
ES2396391B2 (es) 2011-06-28 2014-12-04 Medlumics, S.L. Dispositivo de retardo óptico variable para interferometría de baja coherencia.
US9062960B2 (en) * 2012-02-07 2015-06-23 Medlumics S.L. Flexible waveguides for optical coherence tomography
US9113782B2 (en) 2012-06-01 2015-08-25 Joshua Noel Hogan Multiple reference OCT system
US9310185B2 (en) 2013-06-12 2016-04-12 Medlumics, S.L. Electro-optical silicon-based phase modulator with null residual amplitude modulation

Also Published As

Publication number Publication date
CN108139200A (zh) 2018-06-08
CA2995744A1 (en) 2017-02-23
US10113858B2 (en) 2018-10-30
JP6951322B2 (ja) 2021-10-20
JP2018531636A (ja) 2018-11-01
WO2017029386A1 (en) 2017-02-23
US20170052016A1 (en) 2017-02-23
EP3943879A1 (en) 2022-01-26
ES2885867T3 (es) 2021-12-15
BR112018003143A2 (pt) 2018-09-18
EP3338051B1 (en) 2021-07-21
EP3338051A1 (en) 2018-06-27

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Legal Events

Date Code Title Description
MK1 Application lapsed section 142(2)(a) - no request for examination in relevant period