BR112018003143A2 - linha de atraso distribuída para interferometria de baixa coerência - Google Patents

linha de atraso distribuída para interferometria de baixa coerência

Info

Publication number
BR112018003143A2
BR112018003143A2 BR112018003143A BR112018003143A BR112018003143A2 BR 112018003143 A2 BR112018003143 A2 BR 112018003143A2 BR 112018003143 A BR112018003143 A BR 112018003143A BR 112018003143 A BR112018003143 A BR 112018003143A BR 112018003143 A2 BR112018003143 A2 BR 112018003143A2
Authority
BR
Brazil
Prior art keywords
delay line
distinct
low coherence
optical coherence
coherence tomography
Prior art date
Application number
BR112018003143A
Other languages
English (en)
Portuguese (pt)
Inventor
Martin Alberto
Margallo Balbás Eduardo
Luis Rubio Givernau José
Sancho Durá Juan
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 BR112018003143A2 publication Critical patent/BR112018003143A2/pt

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
    • G01B9/02015—Interferometers characterised by the beam path configuration
    • G01B9/02027—Two or more interferometric channels or interferometers
    • G01B9/02028—Two or more reference or object arms in one interferometer
    • 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
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12—Light 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
    • G02B6/12004—Combinations of two or more optical elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12—Light 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
    • G02B6/12007—Light 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804—Optical 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
    • G02B6/2861—Optical 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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical 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
    • G02B6/29346—Optical 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
    • G02B6/2935—Mach-Zehnder configuration, i.e. comprising separate splitting and combining means
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/43—Arrangements comprising a plurality of opto-electronic elements and associated optical interconnections
    • 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]
    • 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
    • G01B2290/35—Mechanical variable delay line
    • 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
    • G01B2290/40—Non-mechanical variable delay line
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12—Light 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
    • G02B2006/12133—Functions
    • G02B2006/12142—Modulator

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Health & Medical Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (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)
BR112018003143A 2015-08-19 2016-08-19 linha de atraso distribuída para interferometria de baixa coerência BR112018003143A2 (pt)

Applications Claiming Priority (3)

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

Publications (1)

Publication Number Publication Date
BR112018003143A2 true BR112018003143A2 (pt) 2018-09-18

Family

ID=56801532

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018003143A BR112018003143A2 (pt) 2015-08-19 2016-08-19 linha de atraso distribuída para interferometria de baixa coerência

Country Status (9)

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

Families Citing this family (5)

* 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
TWI393120B (zh) 2004-08-25 2013-04-11 Dolby Lab Licensing Corp 用於音訊信號編碼及解碼之方法和系統、音訊信號編碼器、音訊信號解碼器、攜帶有位元流之電腦可讀取媒體、及儲存於電腦可讀取媒體上的電腦程式
EP3516325B1 (en) * 2016-09-26 2021-12-15 Ixa Amc Office / Academic Medical Center Single-chip optical coherence tomography device
EP3516354B1 (en) 2016-09-26 2020-09-02 Ixa Amc Office / Academic Medical Center High-resolution integrated-optics-based spectrometer
GB2598538A (en) * 2020-05-18 2022-03-09 Univ Loughborough Method and apparatus for measuring distance

Family Cites Families (17)

* Cited by examiner, † Cited by third party
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
WO2002071042A2 (en) * 2001-01-29 2002-09-12 Izatt Joseph A 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
US7697145B2 (en) * 2003-05-28 2010-04-13 Duke University System for fourier domain optical coherence tomography
RU2273823C1 (ru) * 2004-08-18 2006-04-10 Валентин Михайлович Геликонов Интерферометрическое устройство (варианты)
CN101405562B (zh) * 2006-01-19 2011-01-26 光视有限公司 傅立叶域光学相干断层摄影成像仪
JP5006933B2 (ja) * 2008-01-10 2012-08-22 日本電信電話株式会社 光遅延干渉回路
US20120022360A1 (en) * 2008-03-28 2012-01-26 Volcano Corporation Methods for intravascular imaging and flushing
EP2317923B1 (en) 2008-07-21 2018-04-04 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
EP3943879A1 (en) 2022-01-26
EP3338051B1 (en) 2021-07-21
WO2017029386A1 (en) 2017-02-23
AU2016309769A1 (en) 2018-03-15
ES2885867T3 (es) 2021-12-15
JP2018531636A (ja) 2018-11-01
CA2995744A1 (en) 2017-02-23
CN108139200A (zh) 2018-06-08
US20170052016A1 (en) 2017-02-23
US10113858B2 (en) 2018-10-30
EP3338051A1 (en) 2018-06-27
JP6951322B2 (ja) 2021-10-20

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Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B25G Requested change of headquarter approved

Owner name: MEDLUMICS S.L. (ES)

B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements