JP2018511927A - 高効率レーザー点火装置 - Google Patents
高効率レーザー点火装置 Download PDFInfo
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- JP2018511927A JP2018511927A JP2017539031A JP2017539031A JP2018511927A JP 2018511927 A JP2018511927 A JP 2018511927A JP 2017539031 A JP2017539031 A JP 2017539031A JP 2017539031 A JP2017539031 A JP 2017539031A JP 2018511927 A JP2018511927 A JP 2018511927A
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- 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
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- 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
- H01S3/0915—Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light
- H01S3/0933—Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light of a semiconductor, e.g. light emitting diode
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- 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
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- H—ELECTRICITY
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/02—Constructional details
- H01S3/04—Arrangements for thermal management
- H01S3/042—Arrangements for thermal management for solid state lasers
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- H—ELECTRICITY
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- 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
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- H—ELECTRICITY
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- 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
- H01S3/1106—Mode locking
- H01S3/1112—Passive mode locking
- H01S3/1115—Passive mode locking using intracavity saturable absorbers
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- H—ELECTRICITY
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- 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
- H01S3/1106—Mode locking
- H01S3/1112—Passive mode locking
- H01S3/1115—Passive mode locking using intracavity saturable absorbers
- H01S3/1118—Semiconductor saturable absorbers, e.g. semiconductor saturable absorber mirrors [SESAMs]; Solid-state saturable absorbers, e.g. carbon nanotube [CNT] based
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- H—ELECTRICITY
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- 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
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- H—ELECTRICITY
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- 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
- H01S3/1618—Solid materials characterised by an active (lasing) ion rare earth ytterbium
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- H—ELECTRICITY
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- 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
- H01S3/162—Solid materials characterised by an active (lasing) ion transition metal
- H01S3/1623—Solid materials characterised by an active (lasing) ion transition metal chromium, e.g. Alexandrite
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- 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
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- H—ELECTRICITY
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- 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
- H01S3/2383—Parallel arrangements
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- 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
- F02P15/00—Electric spark ignition having characteristics not provided for in, or of interest apart from, groups F02P1/00 - F02P13/00 and combined with layout of ignition circuits
- F02P15/08—Electric spark ignition having characteristics not provided for in, or of interest apart from, groups F02P1/00 - F02P13/00 and combined with layout of ignition circuits having multiple-spark ignition, i.e. ignition occurring simultaneously at different places in one engine cylinder or in two or more separate engine cylinders
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- H—ELECTRICITY
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- 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
- H01S3/094038—End pumping
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- H—ELECTRICITY
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- 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
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- H—ELECTRICITY
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- 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
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- 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
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4012—Beam combining, e.g. by the use of fibres, gratings, polarisers, prisms
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Nanotechnology (AREA)
- Materials Engineering (AREA)
- Lasers (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
- Semiconductor Lasers (AREA)
Abstract
Description
12:第1集束レンズ
14:励起ファイバインプット
16:励起ファイバデリバリー
18、18−1、18−2:励起ファイバアウトプット
20:レーザーダイオード出力光
22、22−1、22−2:第2集束レンズ
24、24−1、24−2:イッテルビウムが添加されたレーザー媒質
24a:レーザー媒質の全反射コーティング
24b:レーザー媒質の出射面の無反射コーティング
26、26−1、26−2:飽和吸収体
26a:飽和吸収体の無反射コーティング
26b:飽和吸収体の出力鏡コーティング
28、28−1、28−2:第3集束レンズ
30、30−1、30−2:入射ウィンドウ
30b:入射ウィンドウの逆進防止の全反射コーティング
34:熱遮断ブロック
36、36−1、36−2:集束点火点
42−1、42−2:信号伝逹の光ファイバ
Claims (4)
- (a)マルチチップシングルエミッタパッケージング光ファイバ出力型のレーザーダイオードを採用した励起光源と、
(b)イッテルビウムが添加されたレーザー媒質と、
(c)受動Qスイッチ媒質として飽和吸収体と、を備え、受動Qスイッチレーザー出力として100ピコ秒〜999ピコ秒のパルスを得ることができる高効率レーザー点火装置。 - 前記レーザーダイオードが900〜990nmの波長帯域であり、前記飽和吸収体がクロムドープしたヤグ(Cr:YAG)の飽和吸収体である請求項1記載の高効率レーザー点火装置。
- (a)〜(c)の構成要素を複数個セットで備え、各セットの飽和吸収体の次の段に多重集束点火点の生成手段をさらに含む請求項1記載の高効率レーザー点火装置。
- 逆進熱遮断手段をさらに備える請求項1、2又は3の何れかに記載の高効率レーザー点火装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2015-0009263 | 2015-01-20 | ||
KR1020150009263A KR101706550B1 (ko) | 2015-01-20 | 2015-01-20 | 고효율 레이저 점화장치 |
PCT/KR2016/000263 WO2016117870A1 (ko) | 2015-01-20 | 2016-01-12 | 고효율 레이저 점화장치 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2018511927A true JP2018511927A (ja) | 2018-04-26 |
Family
ID=56417347
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017539031A Pending JP2018511927A (ja) | 2015-01-20 | 2016-01-12 | 高効率レーザー点火装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10554009B2 (ja) |
JP (1) | JP2018511927A (ja) |
KR (1) | KR101706550B1 (ja) |
CN (1) | CN107431328A (ja) |
DE (1) | DE112016000201T5 (ja) |
WO (1) | WO2016117870A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI3386041T3 (fi) * | 2015-12-02 | 2023-06-02 | Ricoh Co Ltd | Laserlaite, sytytyslaite ja polttomoottori |
CN108443913B (zh) * | 2018-03-16 | 2020-04-14 | 中国人民解放军国防科技大学 | 基于高重频激光的超燃冲压发动机及其燃烧室 |
CN109736993B (zh) * | 2018-12-26 | 2021-01-05 | 哈尔滨工程大学 | 一种2μm波段激光点火装置及点火方法 |
KR102164993B1 (ko) | 2019-10-14 | 2020-10-13 | 현대위아 주식회사 | 화포용 레이저 점화장치 |
CN111677616B (zh) * | 2020-05-07 | 2022-03-18 | 江苏大学 | 一种转子发动机内部激光多点点火*** |
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JPH0637371A (ja) * | 1992-07-17 | 1994-02-10 | Sumitomo Electric Ind Ltd | 光能動装置 |
JP2004354780A (ja) * | 2003-05-29 | 2004-12-16 | Keyence Corp | レーザ加工装置 |
JP2006144618A (ja) * | 2004-11-18 | 2006-06-08 | Nippon Soken Inc | レーザ点火装置 |
JP2010014030A (ja) * | 2008-07-03 | 2010-01-21 | Ngk Spark Plug Co Ltd | レーザ着火装置 |
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2015
- 2015-01-20 KR KR1020150009263A patent/KR101706550B1/ko active IP Right Grant
-
2016
- 2016-01-12 US US15/543,667 patent/US10554009B2/en not_active Expired - Fee Related
- 2016-01-12 JP JP2017539031A patent/JP2018511927A/ja active Pending
- 2016-01-12 DE DE112016000201.7T patent/DE112016000201T5/de not_active Ceased
- 2016-01-12 WO PCT/KR2016/000263 patent/WO2016117870A1/ko active Application Filing
- 2016-01-12 CN CN201680006532.3A patent/CN107431328A/zh active Pending
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JPS5660861A (en) * | 1979-10-24 | 1981-05-26 | Nissan Motor Co Ltd | Internal combustion engine |
JPH0637371A (ja) * | 1992-07-17 | 1994-02-10 | Sumitomo Electric Ind Ltd | 光能動装置 |
JP2004354780A (ja) * | 2003-05-29 | 2004-12-16 | Keyence Corp | レーザ加工装置 |
JP2006144618A (ja) * | 2004-11-18 | 2006-06-08 | Nippon Soken Inc | レーザ点火装置 |
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JP2011127529A (ja) * | 2009-12-18 | 2011-06-30 | National Institutes Of Natural Sciences | 半導体レーザー励起によるエンジン点火用固体レーザー装置 |
JP2012087774A (ja) * | 2010-09-21 | 2012-05-10 | Nippon Soken Inc | レーザ点火装置 |
US20130291818A1 (en) * | 2010-10-26 | 2013-11-07 | Rene Hartke | Laser spark plug for an internal combustion engine and operating method for the same |
JP2014150222A (ja) * | 2013-02-04 | 2014-08-21 | Nippon Soken Inc | レーザ発振装置とその製造方法 |
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US20180013257A1 (en) | 2018-01-11 |
KR101706550B1 (ko) | 2017-02-14 |
WO2016117870A1 (ko) | 2016-07-28 |
KR20160089705A (ko) | 2016-07-28 |
US10554009B2 (en) | 2020-02-04 |
DE112016000201T5 (de) | 2017-08-31 |
CN107431328A (zh) | 2017-12-01 |
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