FR2737926B1 - Modulateur a infrarouge, en particulier pour des appareils d'imagerie thermique - Google Patents
Modulateur a infrarouge, en particulier pour des appareils d'imagerie thermiqueInfo
- Publication number
- FR2737926B1 FR2737926B1 FR9609661A FR9609661A FR2737926B1 FR 2737926 B1 FR2737926 B1 FR 2737926B1 FR 9609661 A FR9609661 A FR 9609661A FR 9609661 A FR9609661 A FR 9609661A FR 2737926 B1 FR2737926 B1 FR 2737926B1
- Authority
- FR
- France
- Prior art keywords
- imaging apparatus
- thermal imaging
- infrared modulator
- modulator
- infrared
- 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
Links
- 238000001931 thermography Methods 0.000 title 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/12—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices with means for image conversion or intensification
-
- 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
- G02F1/0147—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 thermo-optic effects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/20—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from infrared radiation only
- H04N23/23—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from infrared radiation only from thermal infrared radiation
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Astronomy & Astrophysics (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19528094A DE19528094C2 (de) | 1995-08-01 | 1995-08-01 | IR-Modulator und Wärmebildgerät mit diesem |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2737926A1 FR2737926A1 (fr) | 1997-02-21 |
FR2737926B1 true FR2737926B1 (fr) | 1998-02-13 |
Family
ID=7768317
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9609661A Expired - Fee Related FR2737926B1 (fr) | 1995-08-01 | 1996-07-31 | Modulateur a infrarouge, en particulier pour des appareils d'imagerie thermique |
Country Status (4)
Country | Link |
---|---|
US (1) | US5796107A (fr) |
DE (1) | DE19528094C2 (fr) |
FR (1) | FR2737926B1 (fr) |
GB (1) | GB2303937B (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9724150D0 (en) | 1997-11-14 | 1998-01-14 | Univ Southampton | Apparatus providing variable refectivity to electromagnetic radiation |
DE19955609B4 (de) * | 1999-11-19 | 2004-09-16 | Dornier Gmbh | Infrarot-Tarnsystem |
DE10318667B4 (de) * | 2003-04-24 | 2009-05-20 | Infineon Technologies Ag | Optoelektronisches Bauteil mit einem Teildurchlässigen Spiegel und Verfahren zu seinem Betrieb |
US7494232B2 (en) * | 2004-12-16 | 2009-02-24 | Lockheed Martin Corporation | Passive broadband long wave and mid-wave infrared optical limiter device |
US7289264B2 (en) * | 2004-12-16 | 2007-10-30 | Lockheed Martin Corporation | Passive broad long wave and mid-wave infrared optical limiting prism |
DE102005011723B3 (de) * | 2005-03-15 | 2006-08-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Schaltbares Infrarotfilter |
KR101093576B1 (ko) | 2010-06-22 | 2011-12-14 | 동우옵트론 주식회사 | 파장가변 레이저광 발진수단을 이용한 다중파장 복사온도 측정장치 및 측정방법 |
US9586376B2 (en) | 2012-04-09 | 2017-03-07 | Smith International, Inc. | High pressure high temperature cell |
US20130266678A1 (en) * | 2012-04-09 | 2013-10-10 | Smith International, Inc. | Thermal insulation layer and pressure transfer medium for high pressure high temperature cell |
CZ308572B6 (cs) * | 2019-10-11 | 2020-12-09 | Ăšstav fotoniky a elektroniky AV ÄŚR, v.v.i. | Termooptický prostorový modulátor světla |
EP4124205B1 (fr) * | 2020-03-20 | 2024-05-01 | Gecko Analysentechnik GmbH | Appareil de limitation de puissance laser |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3484722A (en) * | 1966-11-23 | 1969-12-16 | Bell Telephone Labor Inc | Optical modulator |
US4093353A (en) * | 1976-12-17 | 1978-06-06 | Honeywell Inc. | Optical radiation limiter |
US4178514A (en) * | 1978-04-26 | 1979-12-11 | The United States Of America As Represented By The Secretary Of The Army | System for generating a dynamic far infrared image |
US4372653A (en) * | 1978-12-12 | 1983-02-08 | Wert Iii John C | Polarizing beam splitting phase transition optical modulator |
US4283113A (en) * | 1979-03-23 | 1981-08-11 | Eden Dayton D | Optical modulation with vanadium oxide thin films |
US4421985A (en) * | 1981-06-30 | 1983-12-20 | Vought Corporation | Dark field infrared telescope |
US4530010A (en) * | 1982-09-30 | 1985-07-16 | Ltv Aerospace And Defense Company | Dynamic infrared scene projector |
US4497544A (en) * | 1982-12-27 | 1985-02-05 | Honeywell Inc. | Optical imaging device and method |
US4545641A (en) * | 1983-05-10 | 1985-10-08 | Ltv Aerospace And Defense | High speed erasing and rebiasing of thermoptic thin films in the medium and long-wave infrared |
US4796981A (en) * | 1983-11-26 | 1989-01-10 | Canon Kabushiki Kaisha | Optical element for modulation of light by heating a monomolecular film |
GB2163564A (en) * | 1984-08-25 | 1986-02-26 | Stc Plc | Thermal image sensor |
US4694173A (en) * | 1985-10-09 | 1987-09-15 | Hibshman Corporation | Nondispersive gas analyzer having no moving parts |
DE3817568C2 (de) * | 1987-05-25 | 1995-06-22 | Hitachi Ltd | Optischer Modulator mit einem supraleitenden Oxid |
US4795240A (en) * | 1987-08-18 | 1989-01-03 | Hibshman Corporation | High speed infrared shutter |
DE3836294A1 (de) * | 1988-10-25 | 1990-04-26 | Eltro Gmbh | Waermebildgeraet mit detektorausgleich |
EP0462748A3 (en) * | 1990-06-20 | 1992-04-22 | Thorn Emi Plc | Imaging arrangement |
US5095384A (en) * | 1990-10-26 | 1992-03-10 | The United States Of America As Represented By The Secretary Of The Air Force | Laser damage resistant vanadium dioxide films |
DE4125952C2 (de) * | 1991-08-06 | 1993-10-14 | Dornier Gmbh | Optischer Leistungsbegrenzer |
EP0526767A1 (fr) * | 1991-08-06 | 1993-02-10 | Dornier Gmbh | Limiteur de puissance optique |
US5608568A (en) * | 1994-04-11 | 1997-03-04 | The Johns Hopkins University | Thin film vanadium oxide spatial light modulators and methods |
US5512748A (en) * | 1994-07-26 | 1996-04-30 | Texas Instruments Incorporated | Thermal imaging system with a monolithic focal plane array and method |
-
1995
- 1995-08-01 DE DE19528094A patent/DE19528094C2/de not_active Expired - Fee Related
-
1996
- 1996-07-31 GB GB9616103A patent/GB2303937B/en not_active Expired - Fee Related
- 1996-07-31 FR FR9609661A patent/FR2737926B1/fr not_active Expired - Fee Related
- 1996-08-01 US US08/691,916 patent/US5796107A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB2303937A (en) | 1997-03-05 |
DE19528094C2 (de) | 1999-04-15 |
FR2737926A1 (fr) | 1997-02-21 |
GB9616103D0 (en) | 1996-09-11 |
GB2303937B (en) | 1999-09-01 |
DE19528094A1 (de) | 1997-02-06 |
US5796107A (en) | 1998-08-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name | ||
ST | Notification of lapse |
Effective date: 20120330 |