JP5738275B2 - ファイバベースのレーザコンバイナ - Google Patents
ファイバベースのレーザコンバイナ Download PDFInfo
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- JP5738275B2 JP5738275B2 JP2012506193A JP2012506193A JP5738275B2 JP 5738275 B2 JP5738275 B2 JP 5738275B2 JP 2012506193 A JP2012506193 A JP 2012506193A JP 2012506193 A JP2012506193 A JP 2012506193A JP 5738275 B2 JP5738275 B2 JP 5738275B2
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- fiber
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- 239000000835 fiber Substances 0.000 title claims description 126
- 238000005253 cladding Methods 0.000 claims description 37
- 230000003287 optical effect Effects 0.000 claims description 14
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical group C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 13
- 239000013307 optical fiber Substances 0.000 description 43
- 239000011521 glass Substances 0.000 description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000001902 propagating effect Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 230000003993 interaction Effects 0.000 description 5
- 238000000926 separation method Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 238000005549 size reduction Methods 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 150000004770 chalcogenides Chemical class 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013160 medical therapy Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 1
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
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
-
- 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
- G02B6/26—Optical coupling means
- G02B6/262—Optical details of coupling light into, or out of, or between fibre ends, e.g. special fibre end shapes or associated optical elements
-
- 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
- G02B6/255—Splicing of light guides, e.g. by fusion or bonding
-
- 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
-
- 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
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
- Lasers (AREA)
Description
(1)入力ファイバのモードサイズはシングル、あるいは少数モード動作、および高出力のために大面積の両方を備えるように選択される;
(2)第一の先細部分に使われるコア導波路は、大きな先細係数を可能にしながらコア内にモードの閉じ込めを保持する設計、例えば台座設計である;かつ、
(3)第一の先細部分のファイバの先細ファイバのクラッドサイズは、光エネルギーが第一の先細部分全体にわたってコアの導波路内に分離して保持されたままでいることを確実にするように選択される。
11 ファイバの配列
12 ファイバ
13、95 コア
14 クラッド
15 レーザコンバイナの第一段目
15a 入力ファイバの束
15b、93a 先細部
15c 外径が著しく細くなった部分
16、84 マルチモードファイバ
17 マルチモードコア
18 第二の先細部分
18a 入力ファイバ
18b 第二のファイバ束
18c マルチモード先細部
18d 出力ファイバの端部
19 ファイバの端部
51 標準のステップインデックスファイバのMFD曲線
52 台座形ファイバのMFD曲線
61 MFDを分離するために必要なコア間の壁の厚み
62 先細にした後の必要な壁の厚み
83、93 クラッド管
91 光ファイバ
94 外径が低減された出力端
Claims (9)
- コンバイナ装置であって、
コアの配列を含む先細部分を備え、前記先細部分は、入力端に第一の外側直径と、出力端に第二の外側直径と、3以上10以下の先細率とを有し、前記先細率は、前記第二の外側直径で除した前記第一の外側直径で定義され、そして、前記コアの少なくとも1つは、前記入力端から前記出力端へ光モードを伝播するよう構成された光導波路を備え、
前記入力端における前記光モードのモードフィールド直径は前記出力端におけるモードフィールド直径と同じである、コンバイナ装置。 - 前記入力端における前記光モードの開口数は前記出力端における開口数と実質的に同じである、請求項1に記載のコンバイナ装置。
- 前記コアの少なくとも一つは台座構造を備える、請求項1に記載のコンバイナ装置。
- 前記コア配列のコアの各々が個々のファイバ内に含まれ、そして、前記先細部分が、前記配列を生成するよう前記個々のファイバを互いに融着することで形成される、請求項1に記載のコンバイナ装置。
- 前記コアの配列がマルチコアのプリフォーム構造に組み立てられる、請求項1に記載のコンバイナ装置。
- 前記先細部分は、複数の束ファイバから形成された第1の先細部分及び第2の先細部分を有することを特徴とする請求項1に記載のコンバイナ装置。
- 前記第二の先細部分の出力部に結合されるマルチモードファイバ及び前記マルチモードファイバを取り囲む追加のクラッド層をさらに備える、請求項6に記載のコンバイナ装置。
- 前記追加のクラッド層が、前記マルチモードファイバを取り囲む複数の低屈折率ファイバにより提供される、請求項7に記載のコンバイナ装置。
- 前記追加のクラッド層が、前記マルチモードファイバをクラッド管内に取り囲むことにより提供される、請求項6に記載のコンバイナ装置。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16895209P | 2009-04-14 | 2009-04-14 | |
US61/168,952 | 2009-04-14 | ||
US12/760,547 | 2010-04-14 | ||
US12/760,547 US8472765B2 (en) | 2009-04-14 | 2010-04-14 | Fiber based laser combiners |
PCT/US2010/031129 WO2010120958A1 (en) | 2009-04-14 | 2010-04-14 | Fiber based laser combiners |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012524302A JP2012524302A (ja) | 2012-10-11 |
JP5738275B2 true JP5738275B2 (ja) | 2015-06-24 |
Family
ID=42982845
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012506193A Active JP5738275B2 (ja) | 2009-04-14 | 2010-04-14 | ファイバベースのレーザコンバイナ |
Country Status (3)
Country | Link |
---|---|
US (1) | US8472765B2 (ja) |
JP (1) | JP5738275B2 (ja) |
WO (1) | WO2010120958A1 (ja) |
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US9285541B2 (en) | 2008-08-21 | 2016-03-15 | Nlight Photonics Corporation | UV-green converting fiber laser using active tapers |
US8873134B2 (en) | 2008-08-21 | 2014-10-28 | Nlight Photonics Corporation | Hybrid laser amplifier system including active taper |
US9494738B1 (en) | 2009-05-28 | 2016-11-15 | Nlight, Inc. | Single mode fiber combiners |
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EP2548056B1 (en) * | 2010-03-16 | 2021-05-05 | OFS Fitel, LLC | Multicore transmission and amplifier fibers and schemes for launching pump light to amplifier cores |
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-
2010
- 2010-04-14 US US12/760,547 patent/US8472765B2/en active Active
- 2010-04-14 WO PCT/US2010/031129 patent/WO2010120958A1/en active Application Filing
- 2010-04-14 JP JP2012506193A patent/JP5738275B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
WO2010120958A1 (en) | 2010-10-21 |
US20100278486A1 (en) | 2010-11-04 |
JP2012524302A (ja) | 2012-10-11 |
US8472765B2 (en) | 2013-06-25 |
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