EP4743747A1 - OPTOACOUSTIC ON-CHIP INTERFEROMETERS - Google Patents

OPTOACOUSTIC ON-CHIP INTERFEROMETERS

Info

Publication number
EP4743747A1
EP4743747A1 EP24742331.2A EP24742331A EP4743747A1 EP 4743747 A1 EP4743747 A1 EP 4743747A1 EP 24742331 A EP24742331 A EP 24742331A EP 4743747 A1 EP4743747 A1 EP 4743747A1
Authority
EP
European Patent Office
Prior art keywords
optoacoustic
interferometers
chip
chip interferometers
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.)
Pending
Application number
EP24742331.2A
Other languages
German (de)
French (fr)
Inventor
Peter Johan Harmsma
Benoit André Jacques Quesson
Neer Paul Louis Maria Joseph Van
Der Heiden Maurits Sebastiaan Van
Robert Karl Altmann
Daniele Piras
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.)
Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO
Original Assignee
Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO
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 Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO filed Critical Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek TNO
Publication of EP4743747A1 publication Critical patent/EP4743747A1/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0093—Detecting, measuring or recording by applying one single type of energy and measuring its conversion into another type of energy
    • A61B5/0097—Detecting, measuring or recording by applying one single type of energy and measuring its conversion into another type of energy by applying acoustic waves and detecting light, i.e. acousto-optic measurements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
    • A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
    • A61B5/6852—Catheters
    • 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
    • G02B6/122—Basic optical elements, e.g. light-guiding paths
    • G02B6/125—Bends, branchings or intersections

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Acoustics & Sound (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Integrated Circuits (AREA)
EP24742331.2A 2023-07-11 2024-07-10 OPTOACOUSTIC ON-CHIP INTERFEROMETERS Pending EP4743747A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP23184785.6A EP4492018A1 (en) 2023-07-11 2023-07-11 On-chip opto-acoustic interferometers
PCT/NL2024/050378 WO2025014369A1 (en) 2023-07-11 2024-07-10 On-chip opto-acoustic interferometers

Publications (1)

Publication Number Publication Date
EP4743747A1 true EP4743747A1 (en) 2026-05-20

Family

ID=87340657

Family Applications (2)

Application Number Title Priority Date Filing Date
EP23184785.6A Withdrawn EP4492018A1 (en) 2023-07-11 2023-07-11 On-chip opto-acoustic interferometers
EP24742331.2A Pending EP4743747A1 (en) 2023-07-11 2024-07-10 OPTOACOUSTIC ON-CHIP INTERFEROMETERS

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP23184785.6A Withdrawn EP4492018A1 (en) 2023-07-11 2023-07-11 On-chip opto-acoustic interferometers

Country Status (2)

Country Link
EP (2) EP4492018A1 (en)
WO (1) WO2025014369A1 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009053031A (en) * 2007-08-27 2009-03-12 Canon Inc SOUND SENSOR, SOUND SENSOR ARRAY, AND ULTRASONIC IMAGING DEVICE
EP3557211A1 (en) * 2018-04-16 2019-10-23 ams International AG Photonic device, method for operating a photonic device and method for manufacturing a photonic device
EP3663817B1 (en) * 2018-12-04 2023-09-20 IMEC vzw A sensor comprising a waveguide
EP3719457B1 (en) 2019-04-04 2021-11-24 IMEC vzw Acoustical pressure sensor with photonic waveguide
EP3851816A1 (en) * 2020-01-16 2021-07-21 Nederlandse Organisatie voor toegepast- natuurwetenschappelijk Onderzoek TNO A photonic integrated device for converting sound into a modulation of properties of light in the device
EP3851815A1 (en) 2020-01-16 2021-07-21 Nederlandse Organisatie voor toegepast- natuurwetenschappelijk Onderzoek TNO A photonic integrated device for converting sound into a modulation of a property of light

Also Published As

Publication number Publication date
WO2025014369A1 (en) 2025-01-16
EP4492018A1 (en) 2025-01-15

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