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GB0105651D0 - Temperature stabilised laser diode and gas reference package - Google Patents

Temperature stabilised laser diode and gas reference package

Info

Publication number
GB0105651D0
GB0105651D0 GBGB0105651.4A GB0105651A GB0105651D0 GB 0105651 D0 GB0105651 D0 GB 0105651D0 GB 0105651 A GB0105651 A GB 0105651A GB 0105651 D0 GB0105651 D0 GB 0105651D0
Authority
GB
United Kingdom
Prior art keywords
laser diode
gas reference
reference package
temperature stabilised
stabilised laser
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.)
Ceased
Application number
GBGB0105651.4A
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.)
Siemens PLC
Original Assignee
Siemens PLC
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 Siemens PLC filed Critical Siemens PLC
Priority to GBGB0105651.4A priority Critical patent/GB0105651D0/en
Publication of GB0105651D0 publication Critical patent/GB0105651D0/en
Priority to GB0124426A priority patent/GB2373096B/en
Priority to AU2002234766A priority patent/AU2002234766A1/en
Priority to JP2002572689A priority patent/JP2004521500A/en
Priority to CNA028093801A priority patent/CN1507683A/en
Priority to PCT/GB2002/000870 priority patent/WO2002073757A2/en
Priority to CA002477247A priority patent/CA2477247A1/en
Priority to US10/469,796 priority patent/US20040190571A1/en
Priority to EP02701436A priority patent/EP1368872A2/en
Ceased legal-status Critical Current

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
    • G01N21/39—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
    • H01S5/02251—Out-coupling of light using optical fibres
    • 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
    • H01S5/06—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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Semiconductor Lasers (AREA)
GBGB0105651.4A 2001-03-08 2001-03-08 Temperature stabilised laser diode and gas reference package Ceased GB0105651D0 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
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
AU2002234766A AU2002234766A1 (en) 2001-03-08 2002-02-27 A wavelength stablilised laser source
JP2002572689A JP2004521500A (en) 2001-03-08 2002-02-27 Wavelength stabilized laser light source
CNA028093801A CN1507683A (en) 2001-03-08 2002-02-27 A wavelength stablised laser source
PCT/GB2002/000870 WO2002073757A2 (en) 2001-03-08 2002-02-27 A wavelength stablilised laser source
CA002477247A CA2477247A1 (en) 2001-03-08 2002-02-27 A wavelength stabilised laser source
US10/469,796 US20040190571A1 (en) 2001-03-08 2002-02-27 Wavelength stabilised laser source
EP02701436A EP1368872A2 (en) 2001-03-08 2002-02-27 A wavelength stablilised laser source

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0105651.4A GB0105651D0 (en) 2001-03-08 2001-03-08 Temperature stabilised laser diode and gas reference package

Publications (1)

Publication Number Publication Date
GB0105651D0 true GB0105651D0 (en) 2001-04-25

Family

ID=9910181

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0105651.4A Ceased GB0105651D0 (en) 2001-03-08 2001-03-08 Temperature stabilised laser diode and gas reference package
GB0124426A Expired - Fee Related GB2373096B (en) 2001-03-08 2001-10-11 A wavelength stabilised laser source

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0124426A Expired - Fee Related GB2373096B (en) 2001-03-08 2001-10-11 A wavelength stabilised laser source

Country Status (1)

Country Link
GB (2) GB0105651D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE441101T1 (en) 2005-12-01 2009-09-15 Pergam Suisse Ag MOBILE REMOTE DETECTION OF FLUID USING LASER
DE102006004605B4 (en) * 2006-02-01 2008-10-02 Siemens Ag Arrangement for concentration measurement for exhaust gas components in the exhaust gas area of a furnace

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5946434B2 (en) * 1978-01-10 1984-11-12 キヤノン株式会社 semiconductor laser equipment
JPS6370589A (en) * 1986-09-12 1988-03-30 Nec Corp Semiconductor laser module
JPH04105572U (en) * 1991-02-26 1992-09-10 ソニー株式会社 laser equipment
DE4235768A1 (en) * 1992-10-24 1994-05-19 Cho Ok Kyung Modified semiconductor laser diode with integrated temperature control part
DE4429582C2 (en) * 1994-08-19 1998-02-26 Draegerwerk Ag Radiation source for a measuring system
JPH08247939A (en) * 1995-03-15 1996-09-27 Anritsu Corp Gas concentration measuring device
US5771254A (en) * 1996-01-25 1998-06-23 Hewlett-Packard Company Integrated controlled intensity laser-based light source
JP2871623B2 (en) * 1996-07-11 1999-03-17 日本電気株式会社 Semiconductor laser device
DE19717145C2 (en) * 1997-04-23 1999-06-02 Siemens Ag Method for the selective detection of gases and gas sensor for its implementation
DE19726455A1 (en) * 1997-06-21 1999-01-07 Draegerwerk Ag Laser arrangement for determining concentration of gases

Also Published As

Publication number Publication date
GB2373096A (en) 2002-09-11
GB2373096B (en) 2005-08-03
GB0124426D0 (en) 2001-12-05

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)