JPWO2011118293A1 - 光ファイバ型光学素子、レーザダイオードモジュール、及びファイバレーザ - Google Patents
光ファイバ型光学素子、レーザダイオードモジュール、及びファイバレーザ Download PDFInfo
- Publication number
- JPWO2011118293A1 JPWO2011118293A1 JP2012506884A JP2012506884A JPWO2011118293A1 JP WO2011118293 A1 JPWO2011118293 A1 JP WO2011118293A1 JP 2012506884 A JP2012506884 A JP 2012506884A JP 2012506884 A JP2012506884 A JP 2012506884A JP WO2011118293 A1 JPWO2011118293 A1 JP WO2011118293A1
- Authority
- JP
- Japan
- Prior art keywords
- grating
- optical fiber
- photosensitive layer
- refractive index
- optical element
- 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.)
- Granted
Links
Images
Classifications
-
- 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
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
- G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
- G02B6/02123—Refractive index modulation gratings, e.g. Bragg gratings characterised by the method of manufacture of the grating
- G02B6/02133—Refractive index modulation gratings, e.g. Bragg gratings characterised by the method of manufacture of the grating using beam interference
- G02B6/02138—Refractive index modulation gratings, e.g. Bragg gratings characterised by the method of manufacture of the grating using beam interference based on illuminating a phase mask
-
- 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
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02395—Glass optical fibre with a protective coating, e.g. two layer polymer coating deposited directly on a silica cladding surface during fibre manufacture
-
- 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
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03605—Highest refractive index not on central axis
-
- 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
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
- G02B6/03622—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only
- G02B6/03627—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only arranged - +
-
- 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
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
- G02B6/03638—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 3 layers only
- G02B6/03644—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 3 layers only arranged - + -
-
- 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
-
- 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
- H01S3/06754—Fibre amplifiers
-
- 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
-
- 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
- H01S3/094015—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light the pumped medium being a fibre with pump light recycling, i.e. with reinjection of the unused pump light back into the fiber, e.g. by reflectors or circulators
-
- 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
- H01S3/14—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
-
- 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
- H01S5/02208—Mountings; Housings characterised by the shape of the housings
-
- 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
-
- 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
- H01S5/024—Arrangements for thermal management
- H01S5/02407—Active cooling, e.g. the laser temperature is controlled by a thermo-electric cooler or water cooling
- H01S5/02415—Active cooling, e.g. the laser temperature is controlled by a thermo-electric cooler or water cooling by using a thermo-electric cooler [TEC], e.g. Peltier element
-
- 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
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/14—External cavity lasers
- H01S5/146—External cavity lasers using a fiber as external cavity
- H01S5/147—External cavity lasers using a fiber as external cavity having specially shaped fibre, e.g. lensed or tapered end portion
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
- Optical Integrated Circuits (AREA)
- Lasers (AREA)
Abstract
Description
まず、図1に基づき、本発明の一実施形態である光ファイバ型光学素子10aについて説明する。
次に、コア部1と第1クラッド部2との界面から感光層3aまでの距離(クラッド部の厚さ)Δ〔=(d2−d1)/2;不図示〕について説明する。
次に、図2に基づき、本発明の他の実施形態である光ファイバ型光学素子10bについて説明する。
次に、図3に基づき、本発明の一実施形態である光ファイバ型光学素子10cについて説明する。
次に、図4に基づき、本発明の他の実施形態である光ファイバ型光学素子10dについて説明する。
次に、図5の(a)〜図5の(d)に基づき、上述したグレーティング4a〜4dの形成方法について説明する。なお、ここで説明する屈折率グレーティングの形成方法は、上述した第1〜4実施形態、並びに以下で説明する第5及び6実施形態に共通するものである。また、屈折率グレーティングの形成方法は、ここで説明する方法に限られない。
次に、図6に基づき、本発明のさらに他の実施形態であるファイバレーザ70の構成について説明する。図6は、ファイバレーザ70の構成を示すブロック図である。本実施形態のファイバレーザ70は、ブラッググレーティングとして機能する第2又は第4実施形態の光ファイバ型光学素子10b又は10dを備えたものである。
次に、図7の(a)及び図7の(b)に基づき、本発明のさらに他の実施形態であるLDモジュール80の構成について説明する。本実施形態のLDモジュール80は、長周期ファイバグレーティングとして機能する第1実施形態のファイバ型光学素子10a又は10cを備えたものである。
本発明は上述した各実施形態に限定されるものではなく、請求項に示した範囲で種々の変更が可能であり、異なる実施形態にそれぞれ開示された技術的手段を適宜組合せて得られる実施形態についても本発明の技術的範囲に含まれる。
2 第1クラッド部(クラッド部)
3a,3b,3c,3d 感光層
4a,4b,4c,4d グレーティング(屈折率グレーティング,長周期グレーティング,ブラッググレーティング)
5 第2クラッド部(他のクラッド部)
6 位相マスク
7 格子
10a,10b,10c,10d 光ファイバ型光学素子
20 プライマリ被覆層
30 セカンダリ被覆層
40 被覆ファイバ
50 グレーティング形成部
70 ファイバレーザ
71 パルス光源
72 ポンプコンバイナ
73 LD
80 LDモジュール(レーザダイオードモジュール)
81 ハイパワーLD
82 レンズ部
83 ベース
84 サブマウント
85 ペルチェ素子
86 フェルール
87 レーザ射出口
d1 コア径
d2 第1クラッド径
d3 感光層外径
d4 第2クラッド径
L1,L1’ クラッドモード光
L2 放射モード
L2’ 反射光
n,n1〜n4 屈折率
PL,PS 周期
Claims (9)
- 入射される光の導波方向に延在するコア部と、
前記導波方向に延在して前記コア部の周囲を取り囲む感光層であって、所定波長の紫外線の照射により屈折率グレーティングが形成される感光層とを備え、
前記コア部と前記感光層との間に、コア部よりも屈折率が低く、且つ前記所定波長の紫外線の照射により屈折率が変化する光感受性が前記感光層よりも低いクラッド部が設けられていることを特徴とする光ファイバ型光学素子。 - 前記感光層は、前記コア部に振幅が偏在する導波モードの光強度が、最大強度の1/e2よりも小さくなる領域に存在していることを特徴とする請求項1に記載の光ファイバ型光学素子。
- 前記導波方向に延在して前記感光層の周囲を取り囲む、他のクラッド部が設けられていることを特徴とする請求項1又は2に記載の光ファイバ型光学素子。
- 前記屈折率グレーティングは、所定波長の導波モードを放射モードに結合する長周期グレーティングであることを特徴とする請求項1から3までのいずれか1項に記載の光ファイバ型光学素子。
- 前記屈折率グレーティングは、所定波長の導波モードを反射するブラッググレーティングであることを特徴とする請求項1から3までのいずれか1項に記載の光ファイバ型光学素子。
- 前記ブラッググレーティングは、スラント型のグレーティングであることを特徴とする請求項5に記載の光ファイバ型光学素子。
- 前記クラッド部の厚さが、5μm以上であることを特徴とする請求項1から6までのいずれか1項に記載の光ファイバ型光学素子。
- 請求項1から7までのいずれか1項に記載の光ファイバ型光学素子を備えていることを特徴とするレーザダイオードモジュール。
- 請求項1から7までのいずれか1項に記載の光ファイバ型光学素子を備えていることを特徴とするファイバレーザ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012506884A JP5355780B2 (ja) | 2010-03-23 | 2011-02-17 | 光ファイバ型光学素子、レーザダイオードモジュール、及びファイバレーザ |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010065990 | 2010-03-23 | ||
JP2010065990 | 2010-03-23 | ||
PCT/JP2011/053331 WO2011118293A1 (ja) | 2010-03-23 | 2011-02-17 | 光ファイバ型光学素子、レーザダイオードモジュール、及びファイバレーザ |
JP2012506884A JP5355780B2 (ja) | 2010-03-23 | 2011-02-17 | 光ファイバ型光学素子、レーザダイオードモジュール、及びファイバレーザ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2011118293A1 true JPWO2011118293A1 (ja) | 2013-07-04 |
JP5355780B2 JP5355780B2 (ja) | 2013-11-27 |
Family
ID=44672866
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012506884A Expired - Fee Related JP5355780B2 (ja) | 2010-03-23 | 2011-02-17 | 光ファイバ型光学素子、レーザダイオードモジュール、及びファイバレーザ |
Country Status (5)
Country | Link |
---|---|
US (1) | US8934508B2 (ja) |
EP (1) | EP2551706A4 (ja) |
JP (1) | JP5355780B2 (ja) |
CN (1) | CN102804006B (ja) |
WO (1) | WO2011118293A1 (ja) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013001734A1 (ja) * | 2011-06-29 | 2013-01-03 | パナソニック株式会社 | ファイバレーザ |
US9366810B2 (en) * | 2012-08-29 | 2016-06-14 | Ofs Fitel, Llc | Double-clad, gain-producing fibers with increased cladding absoroption while maintaining single-mode operation |
US9366806B2 (en) * | 2012-08-29 | 2016-06-14 | Ofs Fitel, Llc | Gain-producing fibers with increased cladding absorption while maintaining single-mode operation |
JP5771586B2 (ja) | 2012-10-16 | 2015-09-02 | 株式会社フジクラ | 光ファイバ及びそれを用いたファイバレーザ装置 |
US9091800B2 (en) * | 2013-03-15 | 2015-07-28 | Ofs Fitel, Llc | Glass buffers |
US9482824B2 (en) * | 2013-03-15 | 2016-11-01 | Ofs Fitel, Llc | Removing unwanted light from high-power optical systems |
US9880355B2 (en) * | 2013-08-07 | 2018-01-30 | Coractive High-Tech Inc. | Spatially modulated cladding mode stripper and optical fiber therewith |
JP6033200B2 (ja) * | 2013-08-27 | 2016-11-30 | オーエフエス ファイテル,エルエルシー | シングルモード動作を維持したままクラッド吸収を増加させた利得をもたらすファイバ |
CN103811985B (zh) * | 2014-03-05 | 2017-01-18 | 中国科学院半导体研究所 | 一种小型化的铒镱共掺超荧光光纤光源 |
JP2016189406A (ja) * | 2015-03-30 | 2016-11-04 | Kddi株式会社 | 光増幅器 |
FR3036050B1 (fr) * | 2015-05-13 | 2017-06-09 | Univ Strasbourg | Dispositif de traitement laser et station de travail comportant un tel dispositif |
WO2017189863A1 (en) * | 2016-04-28 | 2017-11-02 | Analog Photonics LLC | Optical waveguide device |
US10495816B2 (en) | 2017-03-16 | 2019-12-03 | Ofs Fitel, Llc | Cladding mode stripper for use with optical systems and methods of forming the same |
JP2019095466A (ja) * | 2017-11-17 | 2019-06-20 | 住友電気工業株式会社 | 光ファイバおよびスラント型ファイバグレーティング |
TWI667853B (zh) * | 2017-12-26 | 2019-08-01 | 國家中山科學研究院 | High power fiber laser beam combining component |
DK3757635T3 (da) * | 2018-02-20 | 2023-11-27 | Sumitomo Electric Industries | Fremgangsmåde til fremstilling af optisk fiber |
CN112888977B (zh) | 2018-09-10 | 2023-12-19 | 恩耐公司 | 由包层光剥离器封装的光纤拼接 |
EP3841411A4 (en) * | 2018-09-21 | 2022-06-01 | NLIGHT, Inc. | LIGHT STRIPPER FOR THE COAT OF AN OPTICAL FIBER |
US11061186B2 (en) * | 2018-11-26 | 2021-07-13 | Globalfoundries U.S. Inc. | Waveguide structures |
US20210367391A1 (en) * | 2020-05-20 | 2021-11-25 | UNIVERSITé LAVAL | Pump reflectors for cladding-pumped optical fiber systems |
JP7441129B2 (ja) | 2020-06-25 | 2024-02-29 | 株式会社フジクラ | ファイバレーザ装置 |
JPWO2022196124A1 (ja) * | 2021-03-18 | 2022-09-22 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6104852A (en) | 1996-01-18 | 2000-08-15 | British Telecommunications Public Limited Company | Optical waveguide with photosensitive refractive index cladding |
JP4212724B2 (ja) | 1999-06-28 | 2009-01-21 | 株式会社フジクラ | 光増幅器 |
JP2001021772A (ja) * | 1999-07-08 | 2001-01-26 | Mitsubishi Electric Corp | レーザダイオードモジュール |
US6400865B1 (en) * | 2000-05-31 | 2002-06-04 | Fitel Usa Corp. | Article comprising a Bragg grating in a few-moded optical waveguide |
US6836418B2 (en) * | 2000-06-19 | 2004-12-28 | Fujikura Ltd. | Slant short-period grating |
US6836607B2 (en) * | 2001-03-14 | 2004-12-28 | Corning Incorporated | Cladding-pumped 3-level fiber laser/amplifier |
JP2003029062A (ja) * | 2001-07-13 | 2003-01-29 | Sumitomo Electric Ind Ltd | グレーティング内蔵光ファイバおよびグレーティング形成用光ファイバ |
CA2396650C (en) * | 2001-08-31 | 2010-05-04 | Fujikura Ltd. | Fiber type optical component |
JP3798304B2 (ja) * | 2001-11-29 | 2006-07-19 | 株式会社フジクラ | スラント型短周期光ファイバグレーティング及びその製造方法 |
WO2003093887A1 (fr) * | 2002-04-30 | 2003-11-13 | Sumitomo Electric Industries, Ltd. | Fibre optique et filtre de reseau de fibres comportant une telle fibre |
US7376307B2 (en) * | 2004-10-29 | 2008-05-20 | Matsushita Electric Industrial Co., Ltd | Multimode long period fiber bragg grating machined by ultrafast laser direct writing |
EP1770417B1 (de) | 2005-09-29 | 2008-04-09 | TRUMPF Laser GmbH + Co. KG | Optische Faser und Verfahren zu ihrer Herstellung |
US7440176B2 (en) * | 2006-02-17 | 2008-10-21 | Newport Corporation | Bi-directionally pumped optical fiber lasers and amplifiers |
US7349596B2 (en) * | 2006-03-16 | 2008-03-25 | Northrop Grumman Corporation | System and method to remove light from cladding |
JP4551390B2 (ja) * | 2006-12-21 | 2010-09-29 | 浜松ホトニクス株式会社 | 光学部品及び光学装置 |
US7437046B2 (en) | 2007-02-12 | 2008-10-14 | Furukawa Electric North America, Inc. | Optical fiber configuration for dissipating stray light |
FR2930997B1 (fr) * | 2008-05-06 | 2010-08-13 | Draka Comteq France Sa | Fibre optique monomode |
JP2009282468A (ja) * | 2008-05-26 | 2009-12-03 | Fujitsu Ltd | 光ファイバ、光レセプタクル及びレセプタクル型光モジュール |
-
2011
- 2011-02-17 CN CN201180014752.8A patent/CN102804006B/zh not_active Expired - Fee Related
- 2011-02-17 WO PCT/JP2011/053331 patent/WO2011118293A1/ja active Application Filing
- 2011-02-17 EP EP11759101.6A patent/EP2551706A4/en not_active Withdrawn
- 2011-02-17 JP JP2012506884A patent/JP5355780B2/ja not_active Expired - Fee Related
-
2012
- 2012-09-19 US US13/622,822 patent/US8934508B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP2551706A4 (en) | 2017-11-29 |
US20130016742A1 (en) | 2013-01-17 |
WO2011118293A1 (ja) | 2011-09-29 |
CN102804006A (zh) | 2012-11-28 |
JP5355780B2 (ja) | 2013-11-27 |
EP2551706A1 (en) | 2013-01-30 |
CN102804006B (zh) | 2015-03-25 |
US8934508B2 (en) | 2015-01-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5355780B2 (ja) | 光ファイバ型光学素子、レーザダイオードモジュール、及びファイバレーザ | |
CN109792129B (zh) | 单片可见光波长光纤激光器 | |
JP5786143B2 (ja) | ファイバー部品及びレーザ装置 | |
CN110418992B (zh) | 包层模光除去构造和激光装置 | |
EP3640691B1 (en) | High power spatial filter | |
US10605982B2 (en) | Multicore optical fiber with a core and a common cladding having a higher refractive index than the core, fiber Bragg grating, and method for manufacturing fiber Bragg grating | |
TW200947002A (en) | Gratings at optical fiber side and coupling apparatus using the same | |
JP2015145960A (ja) | 漏れ光除去構造及びファイバレーザ | |
CN109690885B (zh) | 具有诱导杂散光损耗机制的光纤激光器系统 | |
US9110246B2 (en) | High power spatial filter | |
JP5688565B2 (ja) | ファイバレーザ装置と光増幅方法 | |
US20210367391A1 (en) | Pump reflectors for cladding-pumped optical fiber systems | |
WO2011160234A2 (en) | Active optical device component with large area bragg grating | |
JP6744074B2 (ja) | 光ファイバグレーティング用光ファイバおよびファイバレーザ装置 | |
JP2015179761A (ja) | ファイバレーザ装置 | |
WO2010075368A1 (en) | Side-firing optic fiber tip with length-based beam diameter | |
JP4873645B2 (ja) | 光ファイバラマンレーザ装置 | |
JP5579207B2 (ja) | 光ファイバの移動規制構造 | |
JP7322876B2 (ja) | 光デバイスの製造方法、光デバイス、及び光デバイスの製造装置 | |
US20220221663A1 (en) | Fiber laser insensitive aiming laser | |
JP2020088161A (ja) | 保護キャップ及びレーザ装置 | |
JP2001111153A (ja) | 光結合系 | |
JP2003283016A (ja) | 受動型モードロック・ファイバーレーザー |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20130424 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20130521 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20130722 |
|
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: 20130820 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20130827 |
|
R151 | Written notification of patent or utility model registration |
Ref document number: 5355780 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |
|
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 |
|
LAPS | Cancellation because of no payment of annual fees |