FR2791473B1 - OPTOELECTRONIC DEVICE PROTECTED AGAINST DETECTION BY A COLLIMATED LIGHT BEAM. - Google Patents

OPTOELECTRONIC DEVICE PROTECTED AGAINST DETECTION BY A COLLIMATED LIGHT BEAM.

Info

Publication number
FR2791473B1
FR2791473B1 FR9903615A FR9903615A FR2791473B1 FR 2791473 B1 FR2791473 B1 FR 2791473B1 FR 9903615 A FR9903615 A FR 9903615A FR 9903615 A FR9903615 A FR 9903615A FR 2791473 B1 FR2791473 B1 FR 2791473B1
Authority
FR
France
Prior art keywords
light beam
protected against
optoelectronic device
collimated light
device protected
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
FR9903615A
Other languages
French (fr)
Other versions
FR2791473A1 (en
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.)
Office National dEtudes et de Recherches Aerospatiales ONERA
Original Assignee
Office National dEtudes et de Recherches Aerospatiales ONERA
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 Office National dEtudes et de Recherches Aerospatiales ONERA filed Critical Office National dEtudes et de Recherches Aerospatiales ONERA
Priority to FR9903615A priority Critical patent/FR2791473B1/en
Priority to AU32964/00A priority patent/AU3296400A/en
Priority to PCT/FR2000/000602 priority patent/WO2000057487A1/en
Publication of FR2791473A1 publication Critical patent/FR2791473A1/en
Application granted granted Critical
Publication of FR2791473B1 publication Critical patent/FR2791473B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/495—Counter-measures or counter-counter-measures using electronic or electro-optical means
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0284—Diffusing elements; Afocal elements characterized by the use used in reflection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/30—Transforming light or analogous information into electric information
    • H04N5/33—Transforming infrared radiation
FR9903615A 1999-03-22 1999-03-22 OPTOELECTRONIC DEVICE PROTECTED AGAINST DETECTION BY A COLLIMATED LIGHT BEAM. Expired - Fee Related FR2791473B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR9903615A FR2791473B1 (en) 1999-03-22 1999-03-22 OPTOELECTRONIC DEVICE PROTECTED AGAINST DETECTION BY A COLLIMATED LIGHT BEAM.
AU32964/00A AU3296400A (en) 1999-03-22 2000-03-10 Optoelectronic device protected against detection by a collimated light beam
PCT/FR2000/000602 WO2000057487A1 (en) 1999-03-22 2000-03-10 Optoelectronic device protected against detection by a collimated light beam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9903615A FR2791473B1 (en) 1999-03-22 1999-03-22 OPTOELECTRONIC DEVICE PROTECTED AGAINST DETECTION BY A COLLIMATED LIGHT BEAM.

Publications (2)

Publication Number Publication Date
FR2791473A1 FR2791473A1 (en) 2000-09-29
FR2791473B1 true FR2791473B1 (en) 2001-12-07

Family

ID=9543542

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9903615A Expired - Fee Related FR2791473B1 (en) 1999-03-22 1999-03-22 OPTOELECTRONIC DEVICE PROTECTED AGAINST DETECTION BY A COLLIMATED LIGHT BEAM.

Country Status (3)

Country Link
AU (1) AU3296400A (en)
FR (1) FR2791473B1 (en)
WO (1) WO2000057487A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2849189B1 (en) * 2002-12-20 2005-01-28 France Etat Armement PERFECTLY KNOWN LASER EQUIVALENT SURFACE DEVICE

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1462618A (en) * 1973-05-10 1977-01-26 Secretary Industry Brit Reducing the reflectance of surfaces to radiation
US4252843A (en) * 1977-02-18 1981-02-24 Minnesota Mining And Manufacturing Company Process for forming a microstructured transmission and reflectance modifying coating
US5589704A (en) * 1995-01-27 1996-12-31 Lucent Technologies Inc. Article comprising a Si-based photodetector

Also Published As

Publication number Publication date
AU3296400A (en) 2000-10-09
WO2000057487A1 (en) 2000-09-28
FR2791473A1 (en) 2000-09-29

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Legal Events

Date Code Title Description
CL Concession to grant licenses
ST Notification of lapse

Effective date: 20101130