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AU2000235236A1 - Laser ignition - Google Patents

Laser ignition

Info

Publication number
AU2000235236A1
AU2000235236A1 AU2000235236A AU3523600A AU2000235236A1 AU 2000235236 A1 AU2000235236 A1 AU 2000235236A1 AU 2000235236 A AU2000235236 A AU 2000235236A AU 3523600 A AU3523600 A AU 3523600A AU 2000235236 A1 AU2000235236 A1 AU 2000235236A1
Authority
AU
Australia
Prior art keywords
laser ignition
ignition
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.)
Abandoned
Application number
AU2000235236A
Inventor
James W. Early
Charles S. Lester
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.)
University of California San Diego UCSD
Original Assignee
University of California
University of California Berkeley
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 University of California, University of California Berkeley filed Critical University of California
Publication of AU2000235236A1 publication Critical patent/AU2000235236A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23Q—IGNITION; EXTINGUISHING-DEVICES
    • F23Q13/00—Igniters not otherwise provided for
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/26—Starting; Ignition
    • F02C7/264—Ignition
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
    • F02K9/95—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof characterised by starting or ignition means or arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P23/00—Other ignition
    • F02P23/04—Other physical ignition means, e.g. using laser rays
    • 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/11—Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping
    • H01S3/1123—Q-switching
    • H01S3/113—Q-switching using intracavity saturable absorbers
    • 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/094049—Guiding of the pump light
    • H01S3/094053—Fibre coupled pump, e.g. delivering pump light using a fibre or a fibre bundle
    • 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/094076—Pulsed or modulated pumping
    • 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/09—Processes or apparatus for excitation, e.g. pumping
    • H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
    • H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
    • H01S3/094096—Multi-wavelength pumping
    • 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • H01S3/102—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
    • H01S3/1022—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the active medium, e.g. by controlling the processes or apparatus for excitation by controlling the optical pumping

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Plasma & Fusion (AREA)
  • Lasers (AREA)
AU2000235236A 2000-03-10 2000-03-10 Laser ignition Abandoned AU2000235236A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2000/006255 WO2001069136A1 (en) 2000-03-10 2000-03-10 Laser ignition

Publications (1)

Publication Number Publication Date
AU2000235236A1 true AU2000235236A1 (en) 2001-09-24

Family

ID=21741134

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2000235236A Abandoned AU2000235236A1 (en) 2000-03-10 2000-03-10 Laser ignition

Country Status (2)

Country Link
AU (1) AU2000235236A1 (en)
WO (1) WO2001069136A1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070122353A1 (en) 2001-05-24 2007-05-31 Hale Ron L Drug condensation aerosols and kits
JP2007516404A (en) 2003-05-21 2007-06-21 アレックザ ファーマシューティカルズ， インコーポレイテッド Optically or electrically ignited built-in heating unit and drug supply unit using the same
US7402777B2 (en) 2004-05-20 2008-07-22 Alexza Pharmaceuticals, Inc. Stable initiator compositions and igniters
EP2246086A3 (en) 2004-08-12 2012-11-21 Alexza Pharmaceuticals, Inc. Aerosol drug delivery device incorporating percussively activated heating unit
WO2007056999A2 (en) * 2005-11-17 2007-05-24 Technische Universität Berlin Solid laser system and method for the operation thereof
FR2894620B1 (en) * 2005-12-14 2008-03-14 Ecet Europ De Conception Et D LASER IGNITION SYSTEM
FR2894619A1 (en) * 2005-12-14 2007-06-15 Ecet Europ De Conception Et D Laser ignition system, e.g. for industrial or aeronautical turbines, comprises laser beam source coupled to optical fiber for transmission to combustion chamber via lens, connector and straightening device
SE0600220L (en) * 2006-02-02 2006-12-19 Aga Ab Procedure for igniting a burner using laser
DE102006029996A1 (en) * 2006-06-29 2008-01-03 Robert Bosch Gmbh Operating method for an ignition device and ignition device
EP2121088B1 (en) 2007-03-09 2016-07-13 Alexza Pharmaceuticals, Inc. Heating unit for use in a drug delivery device
DE102008062572A1 (en) * 2008-12-16 2010-06-17 Ge Jenbacher Gmbh & Co. Ohg spark plug
ITMO20120222A1 (en) 2012-09-20 2014-03-21 C R D Ct Ricerche Ducati Trent O S R L SYSTEM AND METHOD FOR THE MONITORING OF AIR POLLUTION
US20140238038A1 (en) * 2013-02-22 2014-08-28 Pratt & Whitney Canada Corp. Gas turbine variable focus laser ignition
US9441546B2 (en) 2013-02-26 2016-09-13 Pratt & Whitney Canada Corp. Laser-ignition combustor for gas turbine engine
KR102852740B1 (en) 2018-02-02 2025-08-29 알렉스자 파마스티칼즈, 인크. Electrical Condensation Aerosol Device
JP2020165332A (en) * 2019-03-28 2020-10-08 株式会社Ihi Laser igniter, space engine and aircraft engine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4665529A (en) * 1986-05-19 1987-05-12 Spectra-Physics, Inc. Laser diode pumped solid state laser with miniaturized quick disconnect laser head
JP3167844B2 (en) * 1993-10-08 2001-05-21 テルモ株式会社 Solid-state laser device
US5756924A (en) * 1995-09-28 1998-05-26 The Regents Of The University Of California Multiple laser pulse ignition method and apparatus

Also Published As

Publication number Publication date
WO2001069136A1 (en) 2001-09-20

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