JP6358531B2 - レーザ点火装置 - Google Patents

レーザ点火装置 Download PDF

Info

Publication number
JP6358531B2
JP6358531B2 JP2014041804A JP2014041804A JP6358531B2 JP 6358531 B2 JP6358531 B2 JP 6358531B2 JP 2014041804 A JP2014041804 A JP 2014041804A JP 2014041804 A JP2014041804 A JP 2014041804A JP 6358531 B2 JP6358531 B2 JP 6358531B2
Authority
JP
Japan
Prior art keywords
light
laser
oscillation
excitation light
excitation
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.)
Active
Application number
JP2014041804A
Other languages
English (en)
Japanese (ja)
Other versions
JP2015167211A (ja
JP2015167211A5 (cg-RX-API-DMAC10.html
Inventor
金原　賢治
賢治 金原
明光 杉浦
明光 杉浦
拓範 平等
平等　　拓範
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.)
Denso Corp
National Institutes of Natural Sciences
Original Assignee
Denso Corp
National Institutes of Natural Sciences
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 Denso Corp, National Institutes of Natural Sciences filed Critical Denso Corp
Priority to JP2014041804A priority Critical patent/JP6358531B2/ja
Priority to US15/123,327 priority patent/US10090630B2/en
Priority to DE112015001095.5T priority patent/DE112015001095B4/de
Priority to PCT/JP2015/056394 priority patent/WO2015133533A1/ja
Publication of JP2015167211A publication Critical patent/JP2015167211A/ja
Publication of JP2015167211A5 publication Critical patent/JP2015167211A5/ja
Application granted granted Critical
Publication of JP6358531B2 publication Critical patent/JP6358531B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • H01S3/0625—Coatings on surfaces other than the end-faces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4296—Coupling light guides with opto-electronic elements coupling with sources of high radiant energy, e.g. high power lasers, high temperature light sources
    • 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
    • H01S3/09—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
    • H01S3/0941—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
    • H01S3/1106—Mode locking
    • H01S3/1112—Passive mode locking
    • H01S3/1115—Passive mode locking 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
    • H01S5/00—Semiconductor lasers
    • H01S5/005—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping
    • H01S5/0064—Anti-reflection components, e.g. optical isolators
    • 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
    • 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
    • H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
    • 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
    • H01S3/02—Constructional details
    • H01S3/025—Constructional details of solid state lasers, e.g. housings or mountings
    • 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
    • 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
    • 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
    • H01S5/022—Mountings; Housings
    • H01S5/023—Mount members, e.g. sub-mount members
    • H01S5/02325—Mechanically integrated components on mount members or optical micro-benches
    • H01S5/02326—Arrangements for relative positioning of laser diodes and optical components, e.g. grooves in the mount to fix optical fibres or lenses
    • 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
    • H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
    • H01S5/4031—Edge-emitting structures
    • H01S5/4043—Edge-emitting structures with vertically stacked active layers
    • H01S5/405—Two-dimensional arrays

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lasers (AREA)
  • Semiconductor Lasers (AREA)
JP2014041804A 2014-03-04 2014-03-04 レーザ点火装置 Active JP6358531B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2014041804A JP6358531B2 (ja) 2014-03-04 2014-03-04 レーザ点火装置
US15/123,327 US10090630B2 (en) 2014-03-04 2015-03-04 Laser ignition device provided with transmissive reflective film
DE112015001095.5T DE112015001095B4 (de) 2014-03-04 2015-03-04 Laserzündvorrichtung
PCT/JP2015/056394 WO2015133533A1 (ja) 2014-03-04 2015-03-04 レーザ点火装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014041804A JP6358531B2 (ja) 2014-03-04 2014-03-04 レーザ点火装置

Publications (3)

Publication Number Publication Date
JP2015167211A JP2015167211A (ja) 2015-09-24
JP2015167211A5 JP2015167211A5 (cg-RX-API-DMAC10.html) 2016-09-15
JP6358531B2 true JP6358531B2 (ja) 2018-07-18

Family

ID=54055336

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014041804A Active JP6358531B2 (ja) 2014-03-04 2014-03-04 レーザ点火装置

Country Status (4)

Country Link
US (1) US10090630B2 (cg-RX-API-DMAC10.html)
JP (1) JP6358531B2 (cg-RX-API-DMAC10.html)
DE (1) DE112015001095B4 (cg-RX-API-DMAC10.html)
WO (1) WO2015133533A1 (cg-RX-API-DMAC10.html)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101706550B1 (ko) * 2015-01-20 2017-02-14 김남성 고효율 레이저 점화장치
FI3386041T3 (fi) * 2015-12-02 2023-06-02 Ricoh Co Ltd Laserlaite, sytytyslaite ja polttomoottori
JP6637179B2 (ja) * 2016-08-05 2020-01-29 東芝エネルギーシステムズ株式会社 ガスタービン燃焼器
JP6267773B1 (ja) * 2016-11-16 2018-01-24 株式会社フジクラ レーザモジュール
CN208753726U (zh) * 2018-09-13 2019-04-16 上海高意激光技术有限公司 非稳腔光谱合束装置
JP7545750B2 (ja) * 2020-03-13 2024-09-05 大学共同利用機関法人自然科学研究機構 光発振器、光発振器の設計方法およびレーザー装置

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3622906A (en) 1967-10-24 1971-11-23 Rca Corp Light-emitting diode array
US5422534A (en) 1992-11-18 1995-06-06 General Electric Company Tantala-silica interference filters and lamps using same
JPH0786668A (ja) * 1993-09-10 1995-03-31 Hitachi Metals Ltd 半導体レーザ励起固体レーザ装置
DE19517963A1 (de) 1995-05-16 1996-11-28 Adlas Gmbh & Co Kg Longitudinal gepumpter Laser
JPH11223797A (ja) 1998-02-06 1999-08-17 Mitsubishi Chemical Corp 光アイソレータおよびその製造方法
JP4824284B2 (ja) 2004-03-26 2011-11-30 浜松ホトニクス株式会社 半導体レーザ励起固体レーザ装置
US7116690B2 (en) 2004-05-17 2006-10-03 Textron Systems Corporation Staggered array coupler
US20070116071A1 (en) 2005-11-22 2007-05-24 Nlight Photonics Corporation Modular diode laser assembly
JP2008268847A (ja) 2007-03-28 2008-11-06 Kyocera Corp 光アイソレータおよびそれを用いた光モジュール
DE102007048606A1 (de) * 2007-10-10 2009-04-16 Robert Bosch Gmbh Diodenlaser mit Strahlformungseinrichtung
DE102007058529A1 (de) 2007-12-05 2009-06-10 Robert Bosch Gmbh Lasereinrichtung
US8553737B2 (en) 2007-12-17 2013-10-08 Oclaro Photonics, Inc. Laser emitter modules and methods of assembly
EP2615488B1 (en) 2010-09-06 2019-01-02 Osaka University Laser device
JP5630765B2 (ja) * 2010-09-21 2014-11-26 株式会社日本自動車部品総合研究所 レーザ点火装置
DE102010042453A1 (de) 2010-10-14 2012-04-19 Robert Bosch Gmbh Laserzündeinrichtung für eine Brennkraftmaschine und Betriebsverfahren hierfür
JP2012189044A (ja) * 2011-03-14 2012-10-04 Nippon Soken Inc レーザ点火装置とその制御方法
JP2013055283A (ja) 2011-09-06 2013-03-21 Fujikura Ltd 高パワーパルス光発生装置
JP2013120799A (ja) 2011-12-06 2013-06-17 Mitsubishi Electric Corp レーザ装置

Also Published As

Publication number Publication date
DE112015001095T5 (de) 2016-12-01
US10090630B2 (en) 2018-10-02
DE112015001095B4 (de) 2021-12-23
WO2015133533A1 (ja) 2015-09-11
JP2015167211A (ja) 2015-09-24
US20170107966A1 (en) 2017-04-20

Similar Documents

Publication Publication Date Title
WO2015133533A1 (ja) レーザ点火装置
CN105814476B (zh) 高亮度密集波复用激光器
JP2015072955A (ja) スペクトルビーム結合ファイバレーザ装置
JP2004258624A (ja) レーザ光合波装置
WO2018163598A1 (ja) 波長結合レーザ装置
CN107925218A (zh) 半导体激光装置
EP1131862A1 (en) High-power cladding-pumped broadband fiber source and amplifier
US20210003108A1 (en) Laser ignition device
US7421166B1 (en) Laser spark distribution and ignition system
JP6741207B2 (ja) レーザ装置、点火装置及び内燃機関
US10626842B2 (en) Laser device, ignition device, and internal combustion engine
JP2015167211A5 (cg-RX-API-DMAC10.html)
JP2017111278A (ja) 光学窓部材、レーザ装置、点火装置及び内燃機関
JP2006222399A (ja) 半導体レーザ装置
JP6739748B2 (ja) レーザ装置、点火装置及び内燃機関
JP7697453B2 (ja) 光共振器、光共振器の構成部品、およびレーザー装置
JP2003309309A (ja) 高密度・高出力レーザー装置
JP6242917B2 (ja) ビーム反転モジュールおよびそのようなビーム反転モジュールを有する光パワー増幅器
JP2021190452A (ja) レーザモジュール及びファイバレーザ装置
WO2020202757A1 (ja) レーザモジュール及びファイバレーザ装置
EP0925623B1 (en) High-power cladding-pumped broadband fiber source
JP2009218446A (ja) レーザー発振装置
JP2012129264A (ja) ファイバレーザ発振方法およびファイバレーザ発振装置
JP7040033B2 (ja) レーザ装置および内燃機関
JP2023553749A (ja) レーザービーム増幅デバイス

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20160801

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20170216

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A821

Effective date: 20170216

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20171024

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20171222

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20180515

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20180608

R150 Certificate of patent or registration of utility model

Ref document number: 6358531

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250