JP2011222764A - パルスファイバレーザ装置 - Google Patents
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- JP2011222764A JP2011222764A JP2010090687A JP2010090687A JP2011222764A JP 2011222764 A JP2011222764 A JP 2011222764A JP 2010090687 A JP2010090687 A JP 2010090687A JP 2010090687 A JP2010090687 A JP 2010090687A JP 2011222764 A JP2011222764 A JP 2011222764A
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- 239000000835 fiber Substances 0.000 title claims abstract description 55
- 239000013307 optical fiber Substances 0.000 claims abstract description 139
- 239000006096 absorbing agent Substances 0.000 claims abstract description 99
- 230000003287 optical effect Effects 0.000 claims abstract description 90
- 239000006185 dispersion Substances 0.000 claims abstract description 47
- 230000005284 excitation Effects 0.000 claims abstract description 23
- 230000003321 amplification Effects 0.000 claims description 32
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 32
- 238000005086 pumping Methods 0.000 claims description 15
- 230000010355 oscillation Effects 0.000 claims description 10
- 230000008878 coupling Effects 0.000 abstract description 20
- 238000010168 coupling process Methods 0.000 abstract description 20
- 238000005859 coupling reaction Methods 0.000 abstract description 20
- 238000010586 diagram Methods 0.000 description 12
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 229910052761 rare earth metal Inorganic materials 0.000 description 4
- 238000002834 transmittance Methods 0.000 description 4
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000004927 fusion Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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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
- H01S3/106—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity
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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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- G—PHYSICS
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- 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
- G02B6/26—Optical coupling means
- G02B6/32—Optical coupling means having lens focusing means positioned between opposed fibre ends
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06708—Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering
- H01S3/06745—Tapering of the fibre, core or active region
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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
- H01S3/106—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity
- H01S3/1061—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity using a variable absorption device
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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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- 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
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
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- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/05—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
- H01S3/08004—Construction or shape of optical resonators or components thereof incorporating a dispersive element, e.g. a prism for wavelength selection
- H01S3/08009—Construction or shape of optical resonators or components thereof incorporating a dispersive element, e.g. a prism for wavelength selection using a diffraction grating
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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
- H01S3/094003—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre
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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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- 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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- 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
- H01S3/105—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the mutual position or the reflecting properties of the reflectors of the cavity, e.g. by controlling the cavity length
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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
- H01S3/1603—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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- Chemical & Material Sciences (AREA)
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- Nanotechnology (AREA)
- Lasers (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Abstract
【解決手段】パルスファイバレーザ装置1は、ファブリペロ型の光共振器を有するものであって、励起光源11、光結合部12、増幅用光ファイバ13、可飽和吸収体14、屈折率分布レンズ15、光出力部16、分散調整部17、ミラー21およびミラー22を備える。可飽和吸収体14およびミラー21は一体とされて可飽和吸収ミラー23を構成している。屈折率分布レンズ15は、光ファイバ32の端面から出力される光を収斂させて可飽和吸収ミラー23へ出力し、可飽和吸収ミラー23からの反射光を光ファイバ32の端面に入力させる。
【選択図】図1
Description
Claims (6)
- 光共振器の共振光路上に設けられた増幅用光ファイバと、
前記増幅用光ファイバに励起光を供給する励起光供給部と、
前記共振光路上に設けられた可飽和吸収体と、
前記可飽和吸収体に対向する第1端面を有し、前記共振光路上の光を導光して該光を前記第1端面から前記可飽和吸収体に向けて出力する第1光ファイバと、
前記第1光ファイバの前記第1端面に接着して設けられ、前記第1光ファイバの前記第1端面から出力される光を収斂させて前記可飽和吸収体へ出力する第1屈折率分布レンズと、
前記励起光供給部により励起光を供給された前記増幅用光ファイバから放出されて前記光共振器において発振した発振光の一部を前記光共振器の外部へ出力する光出力部と、
を備えることを特徴とするパルスファイバレーザ装置。 - 前記可飽和吸収体と前記第1屈折率分布レンズとの間の距離を調整する距離調整手段を更に備えることを特徴とする請求項1に記載のパルスファイバレーザ装置。
- 前記第1屈折率分布レンズから出力された光の前記可飽和吸収体上の入射位置を調整する位置調整手段を更に備えることを特徴とする請求項1に記載のパルスファイバレーザ装置。
- 前記共振光路の波長分散を調整する分散調整部を更に備えることを特徴とする請求項1に記載のパルスファイバレーザ装置。
- 前記光共振器が、第1ミラーと第2ミラーとの間で光を往復させるファブリペロ型のものであり、
前記可飽和吸収体が、前記第1ミラーおよび前記第2ミラーの何れかと一体とされて可飽和吸収ミラーを構成しており、
前記第1屈折率分布レンズが、前記第1光ファイバの前記第1端面から出力される光を収斂させて前記可飽和吸収ミラーへ出力するとともに、前記可飽和吸収ミラーからの反射光を前記第1光ファイバの前記第1端面に入力させる、
ことを特徴とする請求項1に記載のパルスファイバレーザ装置。 - 前記光共振器が、光を一方向に伝播させるリング型のものであり、
前記可飽和吸収体に対向する第2端面を有し、前記第1光ファイバの前記第1端面から前記第1屈折率分布レンズを経て出力され前記可飽和吸収体を透過した光を、前記第2端面に入力して共振光路上に導光する第2光ファイバと、
前記第2光ファイバの前記第2端面に接着して設けられ、前記可飽和吸収体を透過した光を前記第2光ファイバの前記第2端面に入力させる第2屈折率分布レンズと、
を更に備える、
ことを特徴とする請求項1に記載のパルスファイバレーザ装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010090687A JP5368360B2 (ja) | 2010-04-09 | 2010-04-09 | パルスファイバレーザ装置 |
US13/639,310 US8724673B2 (en) | 2010-04-09 | 2011-01-24 | Pulse fiber laser device |
EP11765260.2A EP2557641B1 (en) | 2010-04-09 | 2011-01-24 | Pulse fiber laser device |
PCT/JP2011/051196 WO2011125358A1 (ja) | 2010-04-09 | 2011-01-24 | パルスファイバレーザ装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2010090687A JP5368360B2 (ja) | 2010-04-09 | 2010-04-09 | パルスファイバレーザ装置 |
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Publication Number | Publication Date |
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JP2011222764A true JP2011222764A (ja) | 2011-11-04 |
JP5368360B2 JP5368360B2 (ja) | 2013-12-18 |
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JP2010090687A Active JP5368360B2 (ja) | 2010-04-09 | 2010-04-09 | パルスファイバレーザ装置 |
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US (1) | US8724673B2 (ja) |
EP (1) | EP2557641B1 (ja) |
JP (1) | JP5368360B2 (ja) |
WO (1) | WO2011125358A1 (ja) |
Cited By (1)
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KR20230101551A (ko) * | 2021-12-29 | 2023-07-06 | 한국기계연구원 | 광변조 레이저 펄스의 생성 시스템 |
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RU2485562C1 (ru) | 2011-12-29 | 2013-06-20 | Общество С Ограниченной Ответственностью "Оптосистемы" | Модуль насыщающегося поглотителя на основе полимерного композита с одностенными углеродными нанотрубками (варианты) |
CN104466645A (zh) * | 2013-09-18 | 2015-03-25 | 福州高意通讯有限公司 | 一种短腔被动锁模激光器 |
WO2015059310A1 (en) * | 2013-10-25 | 2015-04-30 | Atla Lasers As | Graphene-based optical sub-system |
CN112166534A (zh) * | 2018-05-03 | 2021-01-01 | 宽腾矽公司 | 表征光学元件 |
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KR102603290B1 (ko) * | 2021-12-29 | 2023-11-17 | 한국기계연구원 | 광변조 레이저 펄스의 생성 시스템 |
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US8724673B2 (en) | 2014-05-13 |
US20130038924A1 (en) | 2013-02-14 |
WO2011125358A1 (ja) | 2011-10-13 |
EP2557641A4 (en) | 2017-11-01 |
JP5368360B2 (ja) | 2013-12-18 |
EP2557641A1 (en) | 2013-02-13 |
EP2557641B1 (en) | 2019-09-25 |
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