FR3064059B1 - RADIATION SENSOR WITH ANTI-GLARE PROTECTION - Google Patents

RADIATION SENSOR WITH ANTI-GLARE PROTECTION Download PDF

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Publication number
FR3064059B1
FR3064059B1 FR1752106A FR1752106A FR3064059B1 FR 3064059 B1 FR3064059 B1 FR 3064059B1 FR 1752106 A FR1752106 A FR 1752106A FR 1752106 A FR1752106 A FR 1752106A FR 3064059 B1 FR3064059 B1 FR 3064059B1
Authority
FR
France
Prior art keywords
radiation
pixel
detected
shutter
thermochromic layer
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.)
Expired - Fee Related
Application number
FR1752106A
Other languages
French (fr)
Other versions
FR3064059A1 (en
Inventor
Sebastien BECKER
Jean-Jacques Yon
Abdelkader Aliane
Denis Pelenc
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
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 Commissariat a lEnergie Atomique CEA, Commissariat a lEnergie Atomique et aux Energies Alternatives CEA filed Critical Commissariat a lEnergie Atomique CEA
Priority to FR1752106A priority Critical patent/FR3064059B1/en
Priority to PCT/FR2018/050617 priority patent/WO2018167432A1/en
Publication of FR3064059A1 publication Critical patent/FR3064059A1/en
Application granted granted Critical
Publication of FR3064059B1 publication Critical patent/FR3064059B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/04—Casings
    • G01J5/046—Materials; Selection of thermal materials
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
    • G01J1/22—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using a variable element in the light-path, e.g. filter, polarising means
    • G01J1/24—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using a variable element in the light-path, e.g. filter, polarising means using electric radiation detectors
    • G01J1/26—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using a variable element in the light-path, e.g. filter, polarising means using electric radiation detectors adapted for automatic variation of the measured or reference value
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/08—Optical arrangements
    • G01J5/0803—Arrangements for time-dependent attenuation of radiation signals
    • G01J5/0804—Shutters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/08—Optical arrangements
    • G01J5/0816—Optical arrangements using attenuators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/08—Optical arrangements
    • G01J5/0831—Masks; Aperture plates; Spatial light modulators

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Solid State Image Pick-Up Elements (AREA)

Abstract

L'invention concerne un capteur de rayonnement comportant une pluralité de pixels (100) formés dans et sur un substrat semiconducteur (101), chaque pixel comportant : un élément (103) de conversion d'un rayonnement électromagnétique en un signal électrique, disposé dans une cavité (113) fermée par un capot (111) transparent au rayonnement à détecter ; un obturateur optique comportant une couche (115) thermochrome revêtant une face du capot transparent (111), l'obturateur étant commandable électriquement pour faire varier le coefficient de transmission de la couche thermochrome (115) pour le rayonnement à détecter ; et un circuit (102) de contrôle et de lecture de l'élément de conversion (103), le circuit de contrôle et de lecture (102) étant adapté à détecter un éblouissement susceptible d'endommager l'élément de conversion (103) du pixel, et à commander l'obturateur du pixel pour diminuer le coefficient de transmission de la couche thermochrome (115) lorsqu'un éblouissement est détecté.The invention relates to a radiation sensor comprising a plurality of pixels (100) formed in and on a semiconductor substrate (101), each pixel comprising: an element (103) for converting electromagnetic radiation into an electrical signal disposed in a cavity (113) closed by a cover (111) transparent to the radiation to be detected; an optical shutter having a thermochromic layer (115) coating a face of the transparent cover (111), the shutter being electrically controllable to vary the transmission coefficient of the thermochromic layer (115) for the radiation to be detected; and a control circuit (102) for monitoring and reading the conversion element (103), the control and reading circuit (102) being adapted to detect glare which may damage the conversion element (103) of the pixel, and controlling the shutter of the pixel to decrease the transmission coefficient of the thermochromic layer (115) when a glare is detected.

FR1752106A 2017-03-15 2017-03-15 RADIATION SENSOR WITH ANTI-GLARE PROTECTION Expired - Fee Related FR3064059B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1752106A FR3064059B1 (en) 2017-03-15 2017-03-15 RADIATION SENSOR WITH ANTI-GLARE PROTECTION
PCT/FR2018/050617 WO2018167432A1 (en) 2017-03-15 2018-03-14 Radiation sensor provided with anti-glare protection

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1752106 2017-03-15
FR1752106A FR3064059B1 (en) 2017-03-15 2017-03-15 RADIATION SENSOR WITH ANTI-GLARE PROTECTION

Publications (2)

Publication Number Publication Date
FR3064059A1 FR3064059A1 (en) 2018-09-21
FR3064059B1 true FR3064059B1 (en) 2019-04-12

Family

ID=59699742

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1752106A Expired - Fee Related FR3064059B1 (en) 2017-03-15 2017-03-15 RADIATION SENSOR WITH ANTI-GLARE PROTECTION

Country Status (2)

Country Link
FR (1) FR3064059B1 (en)
WO (1) WO2018167432A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4795240A (en) * 1987-08-18 1989-01-03 Hibshman Corporation High speed infrared shutter
FR2796148B1 (en) 1999-07-08 2001-11-23 Commissariat Energie Atomique BOLOMETRIC DETECTOR WITH INTERMEDIATE ELECTRICAL INSULATION AND MANUFACTURING METHOD THEREOF
FR2822541B1 (en) 2001-03-21 2003-10-03 Commissariat Energie Atomique METHODS AND DEVICES FOR MANUFACTURING RADIATION DETECTORS
DE102005011723B3 (en) * 2005-03-15 2006-08-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Switchable infrared filter for e.g. protecting infrared detectors, has carrier material with diamond foil having thickness of about ten to forty micrometers and very small thermal capacity, where foil is coated with dielectric layer
US8513605B2 (en) * 2010-04-28 2013-08-20 L-3 Communications Corporation Optically transitioning thermal detector structures

Also Published As

Publication number Publication date
FR3064059A1 (en) 2018-09-21
WO2018167432A1 (en) 2018-09-20

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Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 2

PLSC Publication of the preliminary search report

Effective date: 20180921

ST Notification of lapse

Effective date: 20191106