JP6126562B2 - 光ファイバ装置 - Google Patents
光ファイバ装置 Download PDFInfo
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- JP6126562B2 JP6126562B2 JP2014172809A JP2014172809A JP6126562B2 JP 6126562 B2 JP6126562 B2 JP 6126562B2 JP 2014172809 A JP2014172809 A JP 2014172809A JP 2014172809 A JP2014172809 A JP 2014172809A JP 6126562 B2 JP6126562 B2 JP 6126562B2
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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
- H01S3/094003—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre
- H01S3/094019—Side pumped fibre, whereby pump light is coupled laterally into the fibre via an optical component like a prism, or a grating, or via V-groove coupling
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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
- H01S3/02—Constructional details
- H01S3/04—Arrangements for thermal management
- H01S3/0405—Conductive cooling, e.g. by heat sinks or thermo-electric elements
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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
- H01S3/02—Constructional details
- H01S3/04—Arrangements for thermal management
- H01S3/042—Arrangements for thermal management for solid state lasers
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- H—ELECTRICITY
- 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
- H01S3/063—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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- 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
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/06704—Housings; Packages
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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
- H01S3/05—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
- H01S3/06729—Peculiar transverse fibre profile
- H01S3/06733—Fibre having more than one cladding
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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
- H01S3/094003—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre
- H01S3/094007—Cladding pumping, i.e. pump light propagating in a clad surrounding the active core
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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
- H01S3/094049—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
- 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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- 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
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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
- H01S3/05—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
- H01S3/08018—Mode suppression
- H01S3/0804—Transverse or lateral modes
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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
- 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
- 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
- H01S3/1608—Solid materials characterised by an active (lasing) ion rare earth erbium
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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
- H01S3/17—Solid materials amorphous, e.g. glass
- H01S3/173—Solid materials amorphous, e.g. glass fluoride glass, e.g. fluorozirconate or ZBLAN [ ZrF4-BaF2-LaF3-AlF3-NaF]
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Lasers (AREA)
- Optical Couplings Of Light Guides (AREA)
- Mechanical Coupling Of Light Guides (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Description
図1は本発明の第1実施形態による光ファイバ装置を示している。光ファイバ装置1は、レーザ発振器を構成する1つのユニットであり、励起光源2と、第1フッ化物ファイバ3と、第2フッ化物ファイバ4と、第3フッ化物ファイバ5と、放熱部材6と、を有している。この光ファイバ装置1に、反射鏡及び出力鏡等を追加することによって、ファイバレーザ発振器を構成することができる。
第1フッ化物ファイバ3の側面に第2フッ化物ファイバ4を接合する方法について説明する。
第1実施形態では、第1フッ化物ファイバ3において、接合部の樹脂製第2クラッド32を除去し、接合後に再度第2クラッドを形成するようにした。しかし、第2実施形態では、第1フッ化物ファイバ3と第2フッ化物ファイバ4とを接合した後に、第1フッ化物ファイバ3の第1及び第2放熱板で覆われた部分に第2クラッドを形成していない。
本発明は以上のような実施形態に限定されるものではなく、本発明の範囲を逸脱することなく種々の変形又は修正が可能である。
2 励起光源
3 第1フッ化物ファイバ
30 コア
31 第1クラッド
32 第2クラッド
4 第2フッ化物ファイバ
5 第3フッ化物ファイバ
6,6’ 放熱部材
6a 第1放熱板
6b 第2放熱板
Claims (10)
- 光を導光する第1ファイバと、
第1端から光が入射又は出射されるとともに、第2端の端面が前記第1ファイバの側面に斜めに接合された第2ファイバと、
前記第1ファイバと前記第2ファイバとの接合部の全周を覆うように配置され、熱伝導性が前記第1及び第2ファイバと同等又はより高くかつ前記第1ファイバ及び前記第2ファイバで導光される前記光に対して光透過性を有する放熱部材と、
を備えた光ファイバ装置。 - 前記第1ファイバはコアを有し、
前記第1ファイバの少なくとも一端に接続され、レーザ活性物質が添加されたコアを有する第3ファイバをさらに備え、
前記第2ファイバには前記レーザ活性物質に対応する励起光が入射される、
請求項1に記載の光ファイバ装置。 - 前記放熱部材は、前記第1ファイバと前記第2ファイバとの接合部とともに、前記第1ファイバと前記第3ファイバとの接合部を覆っている、請求項2に記載の光ファイバ装置。
- 前記放熱部材は、前記第1ファイバと前記第2ファイバとの接合部を挟むようにして配置された第1放熱板及び第2放熱板を有する、請求項1から3のいずれかに記載の光ファイバ装置。
- 前記第1ファイバは、コアと、前記コアの外周面を覆う第1クラッドと、前記第1クラッドより小さい屈折率を有し前記第1クラッドの外周面を覆う第2クラッドと、を有する、
請求項1に記載の光ファイバ装置。 - 前記第2ファイバは前記第1ファイバの側面に融着により接合されており、
前記第1ファイバの第2クラッドは、前記第2ファイバを前記第1ファイバに融着した後に形成されるものである、
請求項5に記載の光ファイバ装置。 - 前記第2クラッドは、紫外線硬化樹脂又は熱硬化性樹脂により形成されている、請求項6に記載の光ファイバ装置。
- 前記第1ファイバは、コアと、前記コアの外周面を覆う第1クラッドと、を有し、
前記第2ファイバには励起光が入射され、
前記放熱部材は、前記第1クラッドの外周面を覆うとともに、前記第1クラッドより屈折率が小さくかつ励起光を透過する、
請求項1に記載の光ファイバ装置。 - 前記第1ファイバ及び前記第2ファイバは、フッ化物ファイバである、請求項1から8のいずれかに記載の光ファイバ装置。
- 前記第1ファイバ及び前記第2ファイバは、ZBLANガラスにより形成されている、請求項9に記載の光ファイバ装置。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014172809A JP6126562B2 (ja) | 2014-08-27 | 2014-08-27 | 光ファイバ装置 |
PCT/JP2015/071115 WO2016031458A1 (ja) | 2014-08-27 | 2015-07-24 | 光ファイバ装置 |
US15/506,248 US9935419B2 (en) | 2014-08-27 | 2015-07-24 | Optical fiber device |
CN201580046005.0A CN106663910A (zh) | 2014-08-27 | 2015-07-24 | 光纤装置 |
EP15836814.2A EP3188327B1 (en) | 2014-08-27 | 2015-07-24 | Optical fiber device |
CA2959363A CA2959363C (en) | 2014-08-27 | 2015-07-24 | Optical fiber device |
TW104124234A TWI652516B (zh) | 2014-08-27 | 2015-07-27 | Fiber optic device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014172809A JP6126562B2 (ja) | 2014-08-27 | 2014-08-27 | 光ファイバ装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016137352A Division JP2016212427A (ja) | 2016-07-12 | 2016-07-12 | 光ファイバ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016048717A JP2016048717A (ja) | 2016-04-07 |
JP6126562B2 true JP6126562B2 (ja) | 2017-05-10 |
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JP2014172809A Active JP6126562B2 (ja) | 2014-08-27 | 2014-08-27 | 光ファイバ装置 |
Country Status (7)
Country | Link |
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US (1) | US9935419B2 (ja) |
EP (1) | EP3188327B1 (ja) |
JP (1) | JP6126562B2 (ja) |
CN (1) | CN106663910A (ja) |
CA (1) | CA2959363C (ja) |
TW (1) | TWI652516B (ja) |
WO (1) | WO2016031458A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104220426B (zh) * | 2012-03-20 | 2017-03-01 | 塞拉根制药公司 | 雌激素受体调节剂及其用途 |
JP6357207B2 (ja) | 2016-10-04 | 2018-07-11 | 株式会社フジクラ | 光ファイバ及びファイバレーザ |
JP6295305B1 (ja) * | 2016-10-04 | 2018-03-14 | 株式会社フジクラ | 光ファイバ及びファイバレーザ |
JP2022107076A (ja) * | 2019-05-31 | 2022-07-21 | 三星ダイヤモンド工業株式会社 | 光ファイバ装置 |
FR3139955A1 (fr) * | 2022-09-19 | 2024-03-22 | Compagnie Industrielle Des Lasers Cilas | Amplificateur laser fibré comprenant un dispositif de pompe latérale. |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
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US4815079A (en) * | 1987-12-17 | 1989-03-21 | Polaroid Corporation | Optical fiber lasers and amplifiers |
US5317585A (en) | 1992-08-17 | 1994-05-31 | Hughes Aircraft Company | Laser reflecting cavity with ASE suppression and heat removal |
US6873639B2 (en) * | 1993-05-28 | 2005-03-29 | Tong Zhang | Multipass geometry and constructions for diode-pumped solid-state lasers and fiber lasers, and for optical amplifier and detector |
US6370297B1 (en) * | 1999-03-31 | 2002-04-09 | Massachusetts Institute Of Technology | Side pumped optical amplifiers and lasers |
JP4540773B2 (ja) * | 1999-10-19 | 2010-09-08 | 浜松ホトニクス株式会社 | 光ファイバレーザ装置及び光増幅装置 |
JP2002100822A (ja) * | 2000-09-25 | 2002-04-05 | Toshiba Corp | 光導波路装置 |
US7042631B2 (en) * | 2001-01-04 | 2006-05-09 | Coherent Technologies, Inc. | Power scalable optical systems for generating, transporting, and delivering high power, high quality, laser beams |
US6766075B1 (en) * | 2001-05-11 | 2004-07-20 | Pc Photonics Corporation | Side pumping of optical fiber systems via multiple delivery fibers |
JP2007158013A (ja) * | 2005-12-05 | 2007-06-21 | Hamamatsu Photonics Kk | 光ファイバ構造体および光学装置 |
CN101034186A (zh) * | 2007-04-17 | 2007-09-12 | 浙江大学 | 一种三维多层垂直耦合光互连结构及其软光刻的制作方法 |
JP5260885B2 (ja) * | 2007-04-24 | 2013-08-14 | 古河電気工業株式会社 | 光ファイバの漏洩光処理構造 |
JP2009129940A (ja) * | 2007-11-20 | 2009-06-11 | Toyota Central R&D Labs Inc | 光ファイバ装置及びその製造方法並びに光ファイバレーザ装置 |
JP2009212184A (ja) * | 2008-03-03 | 2009-09-17 | Mitsubishi Cable Ind Ltd | ファイバレーザ装置 |
CN100576661C (zh) * | 2008-07-25 | 2009-12-30 | 华中科技大学 | 用于高功率双包层光纤激光器及放大器的光纤冷却装置 |
US7978943B2 (en) * | 2009-01-22 | 2011-07-12 | Raytheon Company | Monolithic pump coupler for high-aspect ratio solid-state gain media |
CN102495453A (zh) * | 2011-12-14 | 2012-06-13 | 南京烽火藤仓光通信有限公司 | 抗酒精光纤带 |
JP2014048447A (ja) * | 2012-08-31 | 2014-03-17 | Mitsuboshi Diamond Industrial Co Ltd | 光ファイバ、光ファイバ装置、及びレーザ加工装置 |
-
2014
- 2014-08-27 JP JP2014172809A patent/JP6126562B2/ja active Active
-
2015
- 2015-07-24 WO PCT/JP2015/071115 patent/WO2016031458A1/ja active Application Filing
- 2015-07-24 US US15/506,248 patent/US9935419B2/en active Active
- 2015-07-24 CA CA2959363A patent/CA2959363C/en active Active
- 2015-07-24 EP EP15836814.2A patent/EP3188327B1/en active Active
- 2015-07-24 CN CN201580046005.0A patent/CN106663910A/zh active Pending
- 2015-07-27 TW TW104124234A patent/TWI652516B/zh active
Also Published As
Publication number | Publication date |
---|---|
EP3188327A1 (en) | 2017-07-05 |
CA2959363A1 (en) | 2016-03-03 |
JP2016048717A (ja) | 2016-04-07 |
US20170256903A1 (en) | 2017-09-07 |
TWI652516B (zh) | 2019-03-01 |
CN106663910A (zh) | 2017-05-10 |
EP3188327B1 (en) | 2021-04-07 |
EP3188327A4 (en) | 2018-05-23 |
CA2959363C (en) | 2020-09-15 |
US9935419B2 (en) | 2018-04-03 |
WO2016031458A1 (ja) | 2016-03-03 |
TW201608294A (zh) | 2016-03-01 |
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