WO2011082850A3 - Laserzündsystem - Google Patents

Laserzündsystem Download PDF

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Publication number
WO2011082850A3
WO2011082850A3 PCT/EP2010/065697 EP2010065697W WO2011082850A3 WO 2011082850 A3 WO2011082850 A3 WO 2011082850A3 EP 2010065697 W EP2010065697 W EP 2010065697W WO 2011082850 A3 WO2011082850 A3 WO 2011082850A3
Authority
WO
WIPO (PCT)
Prior art keywords
laser
ignition system
laser ignition
generated
light
Prior art date
Application number
PCT/EP2010/065697
Other languages
English (en)
French (fr)
Other versions
WO2011082850A2 (de
Inventor
Heiko Ridderbusch
Original Assignee
Robert Bosch Gmbh
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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Priority to US13/515,771 priority Critical patent/US20120312267A1/en
Priority to EP10773274A priority patent/EP2514046A2/de
Publication of WO2011082850A2 publication Critical patent/WO2011082850A2/de
Publication of WO2011082850A3 publication Critical patent/WO2011082850A3/de

Links

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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/0627—Construction or shape of active medium the resonator being monolithic, e.g. microlaser
    • 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
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/0619—Coatings, e.g. AR, HR, passivation layer
    • H01S3/0621—Coatings on the end-faces, e.g. input/output surfaces of the laser light
    • 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
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06—Construction or shape of active medium
    • H01S3/07—Construction or shape of active medium consisting of a plurality of parts, e.g. segments
    • 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
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • H01S3/081—Construction or shape of optical resonators or components thereof comprising three or more reflectors
    • H01S3/082—Construction or shape of optical resonators or components thereof comprising three or more reflectors defining a plurality of resonators, e.g. for mode selection or suppression
    • 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
    • H01S3/0941—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode
    • H01S3/09415—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light of a laser diode the pumping beam being parallel to the lasing mode of the pumped medium, e.g. end-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
    • H01S3/11—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
    • H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
    • H01S3/16—Solid materials
    • H01S3/1601—Solid materials characterised by an active (lasing) ion
    • H01S3/1603—Solid materials characterised by an active (lasing) ion rare earth
    • H01S3/1611—Solid materials characterised by an active (lasing) ion rare earth neodymium
    • 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
    • H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
    • H01S3/16—Solid materials
    • H01S3/163—Solid materials characterised by a crystal matrix
    • H01S3/164—Solid materials characterised by a crystal matrix garnet
    • H01S3/1643—YAG
    • 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
    • H01S3/23—Arrangements of two or more lasers not provided for in groups H01S3/02 - H01S3/22, e.g. tandem arrangements of separate active media
    • H01S3/2308—Amplifier arrangements, e.g. MOPA
    • H01S3/2325—Multi-pass amplifiers, e.g. regenerative amplifiers
    • H01S3/2333—Double-pass amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lasers (AREA)

Abstract

Lasereinrichtung (26) für ein Laserzündsystem (27) für eine Brennkraftmaschine (10), insbesondere eines Kraftfahrzeugs oder eines Stationärmotors, umfassend einen Laseroszillator (26a) wobei der Laseroszillator (26a) einen ersten laseraktiven Festkörper (44) und einen optischen Güteschalter (46) und einen für ein durch die Lasereinrichtung (26) zu erzeugendes Licht (24) teilreflektierenden Auskoppelspiegel (48) aufweist, dadurch gekennzeichnet, dass der Laseroszillator (26a) einen weiteren für das durch die Lasereinrichtung (26) zu erzeugende Licht (24) teilreflektierenden Spiegel (42) aufweist.
PCT/EP2010/065697 2009-12-14 2010-10-19 Laserzündsystem WO2011082850A2 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US13/515,771 US20120312267A1 (en) 2009-12-14 2010-10-19 Laser ignition system
EP10773274A EP2514046A2 (de) 2009-12-14 2010-10-19 Laserzündsystem

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009054601A DE102009054601A1 (de) 2009-12-14 2009-12-14 Laserzündsystem
DE102009054601.4 2009-12-14

Publications (2)

Publication Number Publication Date
WO2011082850A2 WO2011082850A2 (de) 2011-07-14
WO2011082850A3 true WO2011082850A3 (de) 2012-08-16

Family

ID=43992631

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/065697 WO2011082850A2 (de) 2009-12-14 2010-10-19 Laserzündsystem

Country Status (4)

Country Link
US (1) US20120312267A1 (de)
EP (1) EP2514046A2 (de)
DE (1) DE102009054601A1 (de)
WO (1) WO2011082850A2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10644476B2 (en) 2013-11-28 2020-05-05 Candela Corporation Laser systems and related methods
EP2879249B1 (de) * 2013-11-28 2021-06-23 Candela Corporation Lasersystem
US9935420B2 (en) * 2014-09-30 2018-04-03 Ricoh Company, Ltd. Laser device, ignition system, and internal combustion engine
US9548585B1 (en) 2015-07-16 2017-01-17 U.S. Department Of Energy Multi-point laser ignition device
JP2018074105A (ja) * 2016-11-04 2018-05-10 株式会社リコー レーザ装置、点火装置及び内燃機関
EP3734777B1 (de) * 2019-04-29 2023-06-07 Hitachi High-Tech Analytical Science Finland Oy Laseranordnung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5381431A (en) * 1993-08-13 1995-01-10 Massachusetts Institute Of Technology Picosecond Q-switched microlasers
WO2006125685A1 (de) * 2005-05-27 2006-11-30 Robert Bosch Gmbh Zündeinrichtung für eine brennkraftmaschine
EP1919043A2 (de) * 2006-08-24 2008-05-07 CTR Carinthian Tech Research AG Verfahren und Anordnung zur Regelung der Laser-Pulsenergie

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5195104A (en) * 1991-10-15 1993-03-16 Lasen, Inc. Internally stimulated optical parametric oscillator/laser
US5696778A (en) * 1995-05-09 1997-12-09 Ophir Corporation Method of and apparatus for generating intracavity double raman shifted laser pulses
FR2734092B1 (fr) * 1995-05-12 1997-06-06 Commissariat Energie Atomique Microlaser monolithique declenche et materiau non lineaire intracavite
AU6949298A (en) * 1997-04-21 1998-11-13 James W. Early Laser ignition
US6078598A (en) * 1997-04-25 2000-06-20 Nikon Corporation Laser apparatus, pulsed laser oscillation method and projection exposure apparatus using the same
US5905746A (en) * 1997-08-01 1999-05-18 Litton Systems, Inc. Q-switch laser method and apparatus
US7149231B2 (en) * 2002-10-04 2006-12-12 Spectra Systems Corporation Monolithic, side-pumped, passively Q-switched solid-state laser
DE102006029996A1 (de) * 2006-06-29 2008-01-03 Robert Bosch Gmbh Betriebsverfahren für eine Zündeinrichtung und Zündeinrichtung
DE102006031768B4 (de) * 2006-07-10 2018-10-25 Robert Bosch Gmbh Zündeinrichtung für eine Brennkraftmaschine
DE102007041529A1 (de) * 2007-08-31 2009-03-05 Robert Bosch Gmbh Lasereinrichtung und Betriebsverfahren hierfür
DE102007053414A1 (de) * 2007-11-09 2009-05-14 Robert Bosch Gmbh Verfahren und Vorrichtung zur Zündung eines Kraftstoff-Luftgemisches in einem Brennraum einer Brennkraftmaschine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5381431A (en) * 1993-08-13 1995-01-10 Massachusetts Institute Of Technology Picosecond Q-switched microlasers
WO2006125685A1 (de) * 2005-05-27 2006-11-30 Robert Bosch Gmbh Zündeinrichtung für eine brennkraftmaschine
EP1919043A2 (de) * 2006-08-24 2008-05-07 CTR Carinthian Tech Research AG Verfahren und Anordnung zur Regelung der Laser-Pulsenergie

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ITOH T ET AL: "Q-SWITCHING AND MODE SELECTION OF COUPLED-CAVITY ER, YB:GLASS LASERS", JAPANESE JOURNAL OF APPLIED PHYSICS, JAPAN SOCIETY OF APPLIED PHYSICS, JP, vol. 36, no. 2B, 15 February 1997 (1997-02-15), pages L206 - L208, XP000733111, ISSN: 0021-4922, DOI: 10.1143/JJAP.36.6380 *

Also Published As

Publication number Publication date
EP2514046A2 (de) 2012-10-24
DE102009054601A1 (de) 2011-06-16
US20120312267A1 (en) 2012-12-13
WO2011082850A2 (de) 2011-07-14

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