WO2021116766A8 - Optical sensing module - Google Patents

Optical sensing module Download PDF

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Publication number
WO2021116766A8
WO2021116766A8 PCT/IB2020/001037 IB2020001037W WO2021116766A8 WO 2021116766 A8 WO2021116766 A8 WO 2021116766A8 IB 2020001037 W IB2020001037 W IB 2020001037W WO 2021116766 A8 WO2021116766 A8 WO 2021116766A8
Authority
WO
WIPO (PCT)
Prior art keywords
optical
sensing module
lasers
optical sensing
wavelength
Prior art date
Application number
PCT/IB2020/001037
Other languages
French (fr)
Other versions
WO2021116766A1 (en
Inventor
Aaron John ZILKIE
Hooman ABEDIASL
Cristiano Dalvi
Jeffrey Driscoll
Alexander Gondarenko
Richard GROTE
Haydn Frederick Jones
Sean Merritt
Roozbeh Parsa
Philip Perea
Andrew George Rickman
Adam SCOFIELD
Guomin Yu
Original Assignee
Rockley Photonics Limited
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
Priority to CA3161270A priority Critical patent/CA3161270A1/en
Priority to US17/757,130 priority patent/US11766216B2/en
Priority to JP2022535669A priority patent/JP2023505865A/en
Priority to CN202080096357.8A priority patent/CN115605803A/en
Priority to AU2020400081A priority patent/AU2020400081A1/en
Priority to EP20842291.5A priority patent/EP4073577A1/en
Priority to KR1020227023658A priority patent/KR20220127820A/en
Application filed by Rockley Photonics Limited filed Critical Rockley Photonics Limited
Publication of WO2021116766A1 publication Critical patent/WO2021116766A1/en
Priority to EP21765978.8A priority patent/EP4189472A1/en
Priority to PCT/IB2021/000517 priority patent/WO2022029486A1/en
Priority to US18/019,085 priority patent/US20230277062A1/en
Priority to US18/027,881 priority patent/US20230375525A1/en
Priority to PCT/IB2021/000649 priority patent/WO2022064273A1/en
Priority to US17/806,254 priority patent/US20220370010A1/en
Publication of WO2021116766A8 publication Critical patent/WO2021116766A8/en
Priority to US18/451,099 priority patent/US20230397818A1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • 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
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6802—Sensor mounted on worn items
    • A61B5/6804—Garments; Clothes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/01—Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/024—Detecting, measuring or recording pulse rate or heart rate
    • A61B5/02416—Detecting, measuring or recording pulse rate or heart rate using photoplethysmograph signals, e.g. generated by infrared radiation
    • A61B5/02427—Details of sensor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
    • A61B5/14552—Details of sensors specially adapted therefor
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G02B27/0172—Head mounted characterised by optical features
    • 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
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4246—Bidirectionally operating package structures
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/015—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on semiconductor elements having potential barriers, e.g. having a PN or PIN junction
    • G02F1/0155—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on semiconductor elements having potential barriers, e.g. having a PN or PIN junction modulating the optical absorption
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/015—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on semiconductor elements having potential barriers, e.g. having a PN or PIN junction
    • G02F1/025—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on semiconductor elements having potential barriers, e.g. having a PN or PIN junction in an optical waveguide structure
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/21—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  by interference
    • G02F1/225—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  by interference in an optical waveguide structure
    • G02F1/2257—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  by interference in an optical waveguide structure the optical waveguides being made of semiconducting material

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Biophysics (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Semiconductor Lasers (AREA)
  • Light Receiving Elements (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)

Abstract

An optical sensing module suitable for wearable devices, the optical sensing module comprising: a silicon or silicon nitride transmitter photonic integrated circuit (PIC), the transmitter PIC comprising: a plurality of lasers, each laser of the plurality of lasers operating at a wavelength that is different from the wavelength of the others; an optical manipulation region, the optical manipulation region comprising one or more of: an optical modulator, optical multiplexer (MUX); and additional optical manipulation elements; and one or more optical outputs for light originating from the plurality of lasers.
PCT/IB2020/001037 2019-12-11 2020-12-11 Optical sensing module WO2021116766A1 (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
CA3161270A CA3161270A1 (en) 2019-12-11 2020-12-11 Optical sensing module
US17/757,130 US11766216B2 (en) 2019-12-11 2020-12-11 Optical sensing module
JP2022535669A JP2023505865A (en) 2019-12-11 2020-12-11 light detection module
CN202080096357.8A CN115605803A (en) 2019-12-11 2020-12-11 Optical sensing module
AU2020400081A AU2020400081A1 (en) 2019-12-11 2020-12-11 Optical sensing module
EP20842291.5A EP4073577A1 (en) 2019-12-11 2020-12-11 Optical sensing module
KR1020227023658A KR20220127820A (en) 2019-12-11 2020-12-11 optical sensing module
EP21765978.8A EP4189472A1 (en) 2020-08-03 2021-08-02 Optical sensing module
US18/019,085 US20230277062A1 (en) 2020-08-03 2021-08-02 Optical sensing module
PCT/IB2021/000517 WO2022029486A1 (en) 2020-08-03 2021-08-02 Optical sensing module
US18/027,881 US20230375525A1 (en) 2020-09-28 2021-09-27 Optical sensing module
PCT/IB2021/000649 WO2022064273A1 (en) 2020-09-28 2021-09-27 Optical sensing module
US17/806,254 US20220370010A1 (en) 2019-12-11 2022-06-09 Optical sensing module
US18/451,099 US20230397818A1 (en) 2019-12-11 2023-08-16 Wearable device

Applications Claiming Priority (16)

Application Number Priority Date Filing Date Title
US201962946813P 2019-12-11 2019-12-11
US201962946929P 2019-12-11 2019-12-11
US201962946860P 2019-12-11 2019-12-11
US62/946,813 2019-12-11
US62/946,929 2019-12-11
US62/946,860 2019-12-11
US202063016897P 2020-04-28 2020-04-28
US63/016,897 2020-04-28
US202063060581P 2020-08-03 2020-08-03
US63/060,581 2020-08-03
US202063075645P 2020-09-08 2020-09-08
US63/075,645 2020-09-08
US202063078828P 2020-09-15 2020-09-15
US63/078,828 2020-09-15
US202063081818P 2020-09-22 2020-09-22
US63/081,818 2020-09-22

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
PCT/IB2022/000050 Continuation-In-Part WO2022167864A1 (en) 2019-12-11 2022-02-03 System
US18/263,324 Continuation-In-Part US20240074667A1 (en) 2021-02-05 2022-02-03 System

Related Child Applications (6)

Application Number Title Priority Date Filing Date
US17/757,130 A-371-Of-International US11766216B2 (en) 2019-12-11 2020-12-11 Optical sensing module
US18/019,085 Continuation US20230277062A1 (en) 2020-08-03 2021-08-02 Optical sensing module
US18/027,881 Continuation-In-Part US20230375525A1 (en) 2020-09-28 2021-09-27 Optical sensing module
US17/806,254 Continuation US20220370010A1 (en) 2019-12-11 2022-06-09 Optical sensing module
US18/365,932 Continuation US20240130677A1 (en) 2023-08-03 Optical sensing module
US18/451,099 Continuation-In-Part US20230397818A1 (en) 2019-12-11 2023-08-16 Wearable device

Publications (2)

Publication Number Publication Date
WO2021116766A1 WO2021116766A1 (en) 2021-06-17
WO2021116766A8 true WO2021116766A8 (en) 2022-09-15

Family

ID=76329808

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2020/001037 WO2021116766A1 (en) 2019-12-11 2020-12-11 Optical sensing module

Country Status (3)

Country Link
AU (1) AU2020400081A1 (en)
CA (1) CA3161270A1 (en)
WO (1) WO2021116766A1 (en)

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US11881678B1 (en) 2019-09-09 2024-01-23 Apple Inc. Photonics assembly with a photonics die stack
CN115605803A (en) 2019-12-11 2023-01-13 洛克利光子有限公司（Gb） Optical sensing module
EP4287934A1 (en) 2021-02-05 2023-12-13 Rockley Photonics Limited System
WO2023283294A1 (en) * 2021-07-08 2023-01-12 Apple Inc. Light source modules for noise mitigation
US20230039055A1 (en) * 2021-07-29 2023-02-09 Rockley Photonics Limited Photonic integrated circuit
US20230051794A1 (en) * 2021-08-04 2023-02-16 Rockley Photonics Limited Photodiode for wearable devices
WO2023023105A1 (en) 2021-08-18 2023-02-23 Lyte Technologies Inc. Integrated arrays for coherent optical detection
CN117859083A (en) * 2021-08-18 2024-04-09 莱特人工智能公司 Integrated array for coherent optical detection
US11914201B2 (en) 2021-09-23 2024-02-27 Apple Inc. Mechanisms that transfer light between layers of multi-chip photonic assemblies
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CN113985534A (en) * 2021-10-19 2022-01-28 青岛海信宽带多媒体技术有限公司 Optical module and SOA gain control method
WO2023084309A2 (en) 2021-11-15 2023-05-19 Rockley Photonics Limited Computer-implemented method
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WO2023196388A2 (en) * 2022-04-05 2023-10-12 Google Llc Stimulated raman spectroscopy based noninvasive blood analyte measurement with timing and phasing of pump and stokes sources
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WO2024012850A1 (en) * 2022-07-12 2024-01-18 Ams International Ag Sensor module for raman spectroscopy, electronic device and method of conducting raman spectroscopy
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Also Published As

Publication number Publication date
WO2021116766A1 (en) 2021-06-17
CA3161270A1 (en) 2021-06-17
AU2020400081A1 (en) 2022-08-04

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