CA2477247A1 - A wavelength stabilised laser source - Google Patents
A wavelength stabilised laser source Download PDFInfo
- Publication number
- CA2477247A1 CA2477247A1 CA002477247A CA2477247A CA2477247A1 CA 2477247 A1 CA2477247 A1 CA 2477247A1 CA 002477247 A CA002477247 A CA 002477247A CA 2477247 A CA2477247 A CA 2477247A CA 2477247 A1 CA2477247 A1 CA 2477247A1
- Authority
- CA
- Canada
- Prior art keywords
- laser diode
- wavelength
- gas
- monitor
- 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.)
- Abandoned
Links
- 238000004891 communication Methods 0.000 claims abstract description 8
- 238000010521 absorption reaction Methods 0.000 claims description 30
- 230000003287 optical effect Effects 0.000 claims description 8
- 239000007789 gas Substances 0.000 description 79
- 230000000875 corresponding effect Effects 0.000 description 11
- 230000001276 controlling effect Effects 0.000 description 9
- 238000001228 spectrum Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000003595 spectral effect Effects 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 238000010348 incorporation Methods 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 230000003019 stabilising effect Effects 0.000 description 2
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- 239000006117 anti-reflective coating Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/068—Stabilisation of laser output parameters
- H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
- H01S5/0687—Stabilising the frequency of the laser
-
- 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
- G01N21/39—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/0225—Out-coupling of light
- H01S5/02257—Out-coupling of light using windows, e.g. specially adapted for back-reflecting light to a detector inside the housing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/022—Mountings; Housings
- H01S5/023—Mount members, e.g. sub-mount members
- H01S5/02325—Mechanically integrated components on mount members or optical micro-benches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/024—Arrangements for thermal management
- H01S5/02407—Active cooling, e.g. the laser temperature is controlled by a thermo-electric cooler or water cooling
- H01S5/02415—Active cooling, e.g. the laser temperature is controlled by a thermo-electric cooler or water cooling by using a thermo-electric cooler [TEC], e.g. Peltier element
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/024—Arrangements for thermal management
- H01S5/02438—Characterized by cooling of elements other than the laser chip, e.g. an optical element being part of an external cavity or a collimating lens
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/068—Stabilisation of laser output parameters
- H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
- H01S5/06837—Stabilising otherwise than by an applied electric field or current, e.g. by controlling the temperature
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical & Material Sciences (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Semiconductor Lasers (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0105651.4 | 2001-03-08 | ||
| GBGB0105651.4A GB0105651D0 (en) | 2001-03-08 | 2001-03-08 | Temperature stabilised laser diode and gas reference package |
| GB0124426A GB2373096B (en) | 2001-03-08 | 2001-10-11 | A wavelength stabilised laser source |
| GB0124426.8 | 2001-10-11 | ||
| PCT/GB2002/000870 WO2002073757A2 (en) | 2001-03-08 | 2002-02-27 | A wavelength stablilised laser source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2477247A1 true CA2477247A1 (en) | 2002-09-19 |
Family
ID=26245794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002477247A Abandoned CA2477247A1 (en) | 2001-03-08 | 2002-02-27 | A wavelength stabilised laser source |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20040190571A1 (https=) |
| EP (1) | EP1368872A2 (https=) |
| JP (1) | JP2004521500A (https=) |
| CN (1) | CN1507683A (https=) |
| AU (1) | AU2002234766A1 (https=) |
| CA (1) | CA2477247A1 (https=) |
| WO (1) | WO2002073757A2 (https=) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1460740B1 (en) * | 2003-03-20 | 2006-06-07 | Agilent Technologies, Inc. - a Delaware corporation - | An optoelectronic module and a thermal switch therefor |
| US7086274B2 (en) * | 2003-12-17 | 2006-08-08 | Alcoa Inc. | Method and apparatus for measuring gas concentration levels in liquids |
| US20060022213A1 (en) * | 2004-08-02 | 2006-02-02 | Posamentier Joshua D | TO-can heater on flex circuit |
| DE502005006894D1 (de) * | 2004-09-14 | 2009-04-30 | Fraunhofer Ges Forschung | Verfahren zum messen mindestens einer gaskomponente |
| DE102007039317A1 (de) * | 2007-08-20 | 2009-02-26 | Ses-Entwicklung Gmbh | Verfahren und Vorrichtung zur exakten und geregelten Schwerpunktswellenlängenjustage der emittierten Strahlung einer Leuchtdiode |
| WO2009119790A1 (ja) * | 2008-03-28 | 2009-10-01 | 株式会社堀場製作所 | 光分析計及び分析計用波長安定化レーザ装置 |
| US20100002235A1 (en) * | 2008-07-07 | 2010-01-07 | IRMicrosystems SA | Laser diode arrangements and method for gas detection |
| DK2948761T3 (da) | 2013-01-23 | 2023-09-04 | California Inst Of Techn | Indstilleligt miniaturelaserspektrometer til registrering af en sporgas |
| CN109188614B (zh) | 2018-08-28 | 2020-02-14 | 武汉电信器件有限公司 | 双载波集成光器件及光电模块 |
| CN109406438A (zh) * | 2018-11-06 | 2019-03-01 | 宁波海尔欣光电科技有限公司 | 光源封装体和用于检测气体的浓度的系统 |
| CN112730178A (zh) * | 2020-12-22 | 2021-04-30 | 杭州春来科技有限公司 | 一种车载透射式烟度计及车辆 |
| US12560754B2 (en) * | 2022-05-27 | 2026-02-24 | Ii-Vi Delaware, Inc. | Wavelength reference having repeating spectral features and unique spectral features |
| DE102024112684A1 (de) * | 2024-05-06 | 2025-11-06 | Endress+Hauser Group Services Ag | Verfahren zur Bestimmung und/oder Überwachung einer Messgröße mittels photothermischer Spektroskopie und photothermisches Spektrometer |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5946434B2 (ja) * | 1978-01-10 | 1984-11-12 | キヤノン株式会社 | 半導体レ−ザ装置 |
| JPS6370589A (ja) * | 1986-09-12 | 1988-03-30 | Nec Corp | 半導体レ−ザモジユ−ル |
| JPH04105572U (ja) * | 1991-02-26 | 1992-09-10 | ソニー株式会社 | レーザ装置 |
| US5329539A (en) * | 1991-10-28 | 1994-07-12 | Lightwave Electronics | Efficient laser configuration |
| DE4235768A1 (de) * | 1992-10-24 | 1994-05-19 | Cho Ok Kyung | Modifizierte Halbleiterlaserdiode mit integriertem Temperaturregelungsteil |
| DE4429582C2 (de) * | 1994-08-19 | 1998-02-26 | Draegerwerk Ag | Strahlungsquelle für ein Meßsystem |
| US5771254A (en) * | 1996-01-25 | 1998-06-23 | Hewlett-Packard Company | Integrated controlled intensity laser-based light source |
| DE19717145C2 (de) * | 1997-04-23 | 1999-06-02 | Siemens Ag | Verfahren zur selektiven Detektion von Gasen und Gassensor zu dessen Durchführung |
| DE19726455A1 (de) * | 1997-06-21 | 1999-01-07 | Draegerwerk Ag | Strahlungsquelle für die Laserspektroskopie |
| US6477190B1 (en) * | 1999-02-15 | 2002-11-05 | Fujitsu Limited | Optical module |
-
2002
- 2002-02-27 WO PCT/GB2002/000870 patent/WO2002073757A2/en not_active Ceased
- 2002-02-27 US US10/469,796 patent/US20040190571A1/en not_active Abandoned
- 2002-02-27 CA CA002477247A patent/CA2477247A1/en not_active Abandoned
- 2002-02-27 CN CNA028093801A patent/CN1507683A/zh active Pending
- 2002-02-27 JP JP2002572689A patent/JP2004521500A/ja active Pending
- 2002-02-27 AU AU2002234766A patent/AU2002234766A1/en not_active Abandoned
- 2002-02-27 EP EP02701436A patent/EP1368872A2/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| JP2004521500A (ja) | 2004-07-15 |
| WO2002073757A2 (en) | 2002-09-19 |
| AU2002234766A1 (en) | 2002-09-24 |
| EP1368872A2 (en) | 2003-12-10 |
| WO2002073757A3 (en) | 2003-09-25 |
| US20040190571A1 (en) | 2004-09-30 |
| CN1507683A (zh) | 2004-06-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |