DE69012557T2 - Gerät zum aussenden und empfangen von licht. - Google Patents
Gerät zum aussenden und empfangen von licht.Info
- Publication number
- DE69012557T2 DE69012557T2 DE69012557T DE69012557T DE69012557T2 DE 69012557 T2 DE69012557 T2 DE 69012557T2 DE 69012557 T DE69012557 T DE 69012557T DE 69012557 T DE69012557 T DE 69012557T DE 69012557 T2 DE69012557 T2 DE 69012557T2
- Authority
- DE
- Germany
- Prior art keywords
- sending
- receiving light
- receiving
- light
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
- G01N21/031—Multipass arrangements
- G01N2021/0314—Double pass, autocollimated path
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
- G01N2021/3513—Open path with an instrumental source
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/08—Optical fibres; light guides
- G01N2201/084—Fibres for remote transmission
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
- Eye Examination Apparatus (AREA)
- Optical Couplings Of Light Guides (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8901808A SE462934B (sv) | 1989-05-19 | 1989-05-19 | Anordning foer utsaendning och mottagning av ljus |
PCT/SE1990/000334 WO1990014581A1 (en) | 1989-05-19 | 1990-05-18 | Apparatus for emitting and receiving light |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69012557D1 DE69012557D1 (de) | 1994-10-20 |
DE69012557T2 true DE69012557T2 (de) | 1995-05-04 |
Family
ID=20376004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69012557T Expired - Fee Related DE69012557T2 (de) | 1989-05-19 | 1990-05-18 | Gerät zum aussenden und empfangen von licht. |
Country Status (8)
Country | Link |
---|---|
US (1) | US5255073A (de) |
EP (1) | EP0472637B1 (de) |
JP (1) | JP2542124B2 (de) |
CA (1) | CA2057891C (de) |
DE (1) | DE69012557T2 (de) |
ES (1) | ES2058920T3 (de) |
SE (1) | SE462934B (de) |
WO (1) | WO1990014581A1 (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5637872A (en) * | 1995-08-24 | 1997-06-10 | Tulip; John | Gas detector |
US5748325A (en) * | 1995-09-11 | 1998-05-05 | Tulip; John | Gas detector for plural target zones |
GB9616809D0 (en) * | 1996-08-10 | 1996-09-25 | Eev Ltd | Gas monitors |
US6750467B2 (en) * | 2002-05-14 | 2004-06-15 | John Tulip | Vehicle mounted gas detector |
US7492806B2 (en) * | 2005-06-15 | 2009-02-17 | Daylight Solutions, Inc. | Compact mid-IR laser |
US7535656B2 (en) | 2005-06-15 | 2009-05-19 | Daylight Solutions, Inc. | Lenses, optical sources, and their couplings |
US7442917B1 (en) | 2006-02-23 | 2008-10-28 | Rockwell Automation Technologies, Inc. | Method for using a single optical emitter/receiver pair for creating a light curtain using LCD+MEMS technology for beam deflection |
US8653461B1 (en) | 2007-03-23 | 2014-02-18 | Flir Systems, Inc. | Thermography camera tuned to detect absorption of infrared radiation in a selected spectral bandwidth |
US8659664B2 (en) * | 2007-03-23 | 2014-02-25 | Flir Systems, Inc. | Thermography camera configured for leak detection |
CN101226143B (zh) * | 2007-08-15 | 2011-01-05 | 武汉市天虹仪表有限责任公司 | 一种长光程大气监测仪 |
US20090159798A1 (en) * | 2007-12-20 | 2009-06-25 | Daylight Solutions, Inc. | Gas imaging system |
US7848382B2 (en) * | 2008-01-17 | 2010-12-07 | Daylight Solutions, Inc. | Laser source that generates a plurality of alternative wavelength output beams |
US20100110198A1 (en) * | 2008-04-01 | 2010-05-06 | Daylight Solutions, Inc. | Mid infrared optical illuminator assembly |
US8565275B2 (en) | 2008-04-29 | 2013-10-22 | Daylight Solutions, Inc. | Multi-wavelength high output laser source assembly with precision output beam |
US8306077B2 (en) | 2008-04-29 | 2012-11-06 | Daylight Solutions, Inc. | High output, mid infrared laser source assembly |
US8774244B2 (en) | 2009-04-21 | 2014-07-08 | Daylight Solutions, Inc. | Thermal pointer |
US20110080311A1 (en) * | 2009-10-05 | 2011-04-07 | Michael Pushkarsky | High output laser source assembly with precision output beam |
WO2011050841A1 (en) * | 2009-10-28 | 2011-05-05 | Opsis Ab | Device for radiation absorption measurements and method for calibration thereof |
WO2011156033A2 (en) | 2010-03-15 | 2011-12-15 | Daylight Solutions, Inc. | Laser source that generates a rapidly changing output beam |
US8335413B2 (en) | 2010-05-14 | 2012-12-18 | Daylight Solutions, Inc. | Optical switch |
US8445850B2 (en) | 2010-06-21 | 2013-05-21 | The United States Of America As Represented By The Administrator Of The U.S. Environmental Protection Agency | Optical remote sensing of fugitive releases |
US9225148B2 (en) | 2010-09-23 | 2015-12-29 | Daylight Solutions, Inc. | Laser source assembly with thermal control and mechanically stable mounting |
US8467430B2 (en) | 2010-09-23 | 2013-06-18 | Daylight Solutions, Inc. | Continuous wavelength tunable laser source with optimum orientation of grating and gain medium |
US9042688B2 (en) | 2011-01-26 | 2015-05-26 | Daylight Solutions, Inc. | Multiple port, multiple state optical switch |
NO20150765A1 (en) * | 2015-06-11 | 2016-12-12 | Neo Monitors As | Gas monitor |
NO20161967A1 (en) * | 2016-12-12 | 2018-06-13 | Neo Monitors As | Gas monitor |
KR102450625B1 (ko) * | 2017-08-31 | 2022-10-07 | 서울바이오시스 주식회사 | 검출기 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2930893A (en) * | 1956-05-21 | 1960-03-29 | Lane B Carpenter | Long path infrared detection of atmospheric contaminants |
US3474252A (en) * | 1965-10-23 | 1969-10-21 | Ejnar Jensen & Son I S | Mirror arrangement light source and photocell located on a common axis |
CH449985A (fr) * | 1966-12-15 | 1968-01-15 | Paillard Sa | Télémètre, notamment pour l'emploi en photographie |
US3768908A (en) * | 1971-01-04 | 1973-10-30 | S Zaromb | Remote sensing apparatus and methods |
US3885162A (en) * | 1973-10-31 | 1975-05-20 | Contraves Goerz Corp | Optical measuring apparatus |
FR2381320A1 (fr) * | 1977-02-18 | 1978-09-15 | Commissariat Energie Atomique | Appareil de mesure optique a distance, notamment de spectrometrie raman |
US4247770A (en) * | 1978-09-07 | 1981-01-27 | Welch Albert B | Aerial mineral survey method and apparatus using pulsed laser beam to vaporize surface material |
US4555627A (en) * | 1983-04-05 | 1985-11-26 | The United States Of America As Represented By The United States Department Of Energy | Backscatter absorption gas imaging system |
SE453017B (sv) * | 1985-06-13 | 1988-01-04 | Opsis Ab Ideon | Sett och anordning for bestemning av parametrar for gasformiga emnen som er nervarande vid forbrenningsprocesser och andra processer som sker vid hog temperatur |
-
1989
- 1989-05-19 SE SE8901808A patent/SE462934B/sv not_active IP Right Cessation
-
1990
- 1990-05-18 JP JP2508453A patent/JP2542124B2/ja not_active Expired - Fee Related
- 1990-05-18 US US07/775,983 patent/US5255073A/en not_active Expired - Lifetime
- 1990-05-18 DE DE69012557T patent/DE69012557T2/de not_active Expired - Fee Related
- 1990-05-18 CA CA002057891A patent/CA2057891C/en not_active Expired - Fee Related
- 1990-05-18 EP EP90908731A patent/EP0472637B1/de not_active Expired - Lifetime
- 1990-05-18 ES ES90908731T patent/ES2058920T3/es not_active Expired - Lifetime
- 1990-05-18 WO PCT/SE1990/000334 patent/WO1990014581A1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
ES2058920T3 (es) | 1994-11-01 |
SE8901808D0 (sv) | 1989-05-19 |
JP2542124B2 (ja) | 1996-10-09 |
EP0472637B1 (de) | 1994-09-14 |
EP0472637A1 (de) | 1992-03-04 |
US5255073A (en) | 1993-10-19 |
WO1990014581A1 (en) | 1990-11-29 |
DE69012557D1 (de) | 1994-10-20 |
CA2057891C (en) | 1999-12-14 |
JPH04504908A (ja) | 1992-08-27 |
SE8901808A (de) | 1990-09-17 |
SE462934B (sv) | 1990-09-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |