JP4254716B2 - レーザエネルギー伝送用光ファイバ及びレーザエネルギー伝送方法並びにレーザエネルギー伝送装置 - Google Patents
レーザエネルギー伝送用光ファイバ及びレーザエネルギー伝送方法並びにレーザエネルギー伝送装置 Download PDFInfo
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- JP4254716B2 JP4254716B2 JP2005019481A JP2005019481A JP4254716B2 JP 4254716 B2 JP4254716 B2 JP 4254716B2 JP 2005019481 A JP2005019481 A JP 2005019481A JP 2005019481 A JP2005019481 A JP 2005019481A JP 4254716 B2 JP4254716 B2 JP 4254716B2
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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
- G02B6/02295—Microstructured optical fibre
- G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
- G02B6/02319—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by core or core-cladding interface features
- G02B6/02323—Core having lower refractive index than cladding, e.g. photonic band gap guiding
- G02B6/02328—Hollow or gas filled core
-
- 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
- G02B6/02295—Microstructured optical fibre
- G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
- G02B6/02342—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by cladding features, i.e. light confining region
- G02B6/02357—Property of longitudinal structures or background material varies radially and/or azimuthally in the cladding, e.g. size, spacing, periodicity, shape, refractive index, graded index, quasiperiodic, quasicrystals
-
- 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
- G02B6/02295—Microstructured optical fibre
- G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
- G02B6/02342—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by cladding features, i.e. light confining region
- G02B6/02361—Longitudinal structures forming multiple layers around the core, e.g. arranged in multiple rings with each ring having longitudinal elements at substantially the same radial distance from the core, having rotational symmetry about the fibre 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
- G02B6/032—Optical fibres with cladding with or without a coating with non solid core or cladding
-
- 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
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/102—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type for infrared and ultraviolet radiation
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Laser Surgery Devices (AREA)
- Radiation-Therapy Devices (AREA)
- Lasers (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Description
上記外側クラッド領域の屈折率が上記内側クラッド領域の充実部の屈折率よりも小さくなるように構成し、上記中空コア領域は、近赤外波長帯から波長4μm以下のレーザ光を、その光エネルギーを主に閉じ込めて伝送させ、同時に、少なくとも上記内側クラッド領域は、上記内側クラッド領域と上記外側クラッド領域との境界で全反射させた波長0.7μm以下の可視光を閉じ込めて伝送させるものである。
11 中空コア領域
12 充実部
13 空孔
14 内側クラッド領域
15 外側クラッド領域
20 レーザエネルギー伝送用光ファイバ
21 充実コア型光ファイバ
Claims (11)
- 伝送する光の波長よりも大きな直径を有する中空コア領域と、該中空コア領域を包囲する充実部に複数の空孔が設けられた内側クラッド領域と、該内側クラッド領域を包囲する外側クラッド領域とを有する光ファイバ本体部を備えたレーザエネルギー伝送用光ファイバであって、
上記外側クラッド領域の屈折率が上記内側クラッド領域の充実部の屈折率よりも小さくなるように構成し、上記中空コア領域は、近赤外波長帯から波長4μm以下のレーザ光を、その光エネルギーを主に閉じ込めて伝送させ、同時に、少なくとも上記内側クラッド領域は、上記内側クラッド領域と上記外側クラッド領域との境界で全反射させた波長0.7μm以下の可視光を閉じ込めて伝送させることを特徴とするレーザエネルギー伝送用光ファイバ。
- 上記内側クラッド領域の充実部を純粋石英で形成し、上記外側クラッド領域を、フッ素を含有する石英材料、またはフッ素を含有する樹脂で形成した請求項1記載のレーザエネルギー伝送用光ファイバ。
- 上記内側クラッド領域の複数の空孔は、伝送する光の波長に対してバンドギャップを形成するようにその孔径及び間隔が設定された請求項1または2記載のレーザエネルギー伝送用光ファイバ。
- 上記光ファイバ本体部の片端または両端に、クラッド領域と、該クラッド領域よりも高屈折率の充実コア領域とからなる充実コア型光ファイバを接続した請求項1〜3いずれかに記載のレーザエネルギー伝送用光ファイバ。
- 上記充実コア領域の直径が、上記内側クラッド領域の直径と略等しい請求項4記載のレーザエネルギー伝送用光ファイバ。
- 請求項1〜5いずれかに記載のレーザエネルギー伝送用光ファイバを使用し、近赤外波長帯から波長4μm以下のレーザ光を、その光エネルギーを主に中空コア領域に閉じ込めて伝送させ、同時に波長0.7μm以下の可視光を、内側クラッド領域と外側クラッド領域との境界で全反射させて少なくとも上記内側クラッド領域に閉じ込めて伝送させることを特徴とするレーザエネルギー伝送方法。
- 上記近赤外波長帯からの波長4μm以下のレーザ光は、チタン−サファイヤレーザ、ネオジム−YAGレーザ、ホルミウム−YAGレーザ、エルビウム−YAGレーザ、エルビウム・クロム−YSGGレーザのいずれかである請求項6記載のレーザエネルギー伝送方法。
- 上記波長0.7μm以下の可視光は、半導体レーザまたはヘリウム−ネオンレーザである請求項6または7記載のレーザエネルギー伝送方法。
- 請求項1〜5いずれかに記載のレーザエネルギー伝送用光ファイバと、その光エネルギーが主に中空コア領域に閉じ込めて伝送される近赤外波長帯から波長4μm以下のレーザ光を発振する第一のレーザ光源と、内側クラッド領域と外側クラッド領域との境界で全反射させて上記近赤外波長帯から波長4μm以下のレーザ光と同時に少なくとも上記内側クラッド領域に閉じ込めて伝送される波長0.7μm以下の可視光を発振する第二のレーザ光源とを備えることを特徴とするレーザエネルギー伝送装置。
- 上記近赤外波長帯から波長4μm以下のレーザ光を発振する第一のレーザ光源は、チタン−サファイヤレーザ光源、ネオジム−YAGレーザ光源、ホルミウム−YAGレーザ光源、エルビウム−YAGレーザ光源、エルビウム・クロム−YSGGレーザ光源のいずれかである請求項9記載のレーザエネルギー伝送装置。
- 上記波長0.7μm以下の可視光を発振する第二のレーザ光源は、半導体レーザ光源またはヘリウム−ネオンレーザ光源である請求項9または10記載のレーザエネルギー伝送装置。
Priority Applications (3)
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JP2005019481A JP4254716B2 (ja) | 2005-01-27 | 2005-01-27 | レーザエネルギー伝送用光ファイバ及びレーザエネルギー伝送方法並びにレーザエネルギー伝送装置 |
US11/339,634 US7373061B2 (en) | 2005-01-27 | 2006-01-26 | Laser energy transmission optical fiber, laser energy transmission method and laser energy transmission device |
CNB2006100030144A CN100412579C (zh) | 2005-01-27 | 2006-01-26 | 激光能传送用光纤,激光能传送方法及激光能传送装置 |
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JP2005019481A JP4254716B2 (ja) | 2005-01-27 | 2005-01-27 | レーザエネルギー伝送用光ファイバ及びレーザエネルギー伝送方法並びにレーザエネルギー伝送装置 |
Publications (2)
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JP2006208654A JP2006208654A (ja) | 2006-08-10 |
JP4254716B2 true JP4254716B2 (ja) | 2009-04-15 |
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JP2005019481A Expired - Fee Related JP4254716B2 (ja) | 2005-01-27 | 2005-01-27 | レーザエネルギー伝送用光ファイバ及びレーザエネルギー伝送方法並びにレーザエネルギー伝送装置 |
Country Status (3)
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US (1) | US7373061B2 (ja) |
JP (1) | JP4254716B2 (ja) |
CN (1) | CN100412579C (ja) |
Families Citing this family (12)
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DE102009060711A1 (de) | 2009-03-13 | 2010-10-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Einzelmodenpropagation in mikrostrukturierten Fasern |
GB0913376D0 (en) * | 2009-07-31 | 2009-09-16 | Photonic Designs Ltd | Solar reflective fibre |
TWI528062B (zh) | 2010-08-27 | 2016-04-01 | 國立臺灣大學 | 摻鈦藍寶石晶體光纖、其製作方法及其應用之寬頻光源 |
TWI477833B (zh) * | 2012-09-14 | 2015-03-21 | Univ Nat Taiwan | Double fiber crystal fiber and its making method |
CN103246012B (zh) * | 2013-05-22 | 2014-11-26 | 重庆大学 | 增强发光强度、均匀性及微生物吸附的空心发光光纤 |
GB201710813D0 (en) * | 2017-07-05 | 2017-08-16 | Univ Southampton | Method for fabricating an optical fibre preform |
CN107915400A (zh) * | 2017-10-31 | 2018-04-17 | 华南理工大学 | 一种管‑熔体法制备梯度折射率yas玻璃芯光纤的方法 |
US10578797B2 (en) * | 2018-01-24 | 2020-03-03 | Stc.Unm | Hollow core optical fiber with light guiding within a hollow region based on transverse anderson localization of light |
CN112789534A (zh) * | 2018-10-03 | 2021-05-11 | 鲁曼斯蒂有限公司 | 光波导适配器组件 |
CN111290072A (zh) * | 2020-02-21 | 2020-06-16 | 北京航空航天大学 | 一种用于钬激光碎石术的空芯反谐振光纤防水方法及装置 |
KR102624578B1 (ko) * | 2020-09-14 | 2024-01-15 | 세메스 주식회사 | 기판 처리 설비 및 기판 처리 방법 |
CN113589456B (zh) * | 2021-06-23 | 2023-07-04 | 华南师范大学 | 一种信能共传微结构光纤 |
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US4917083A (en) * | 1988-03-04 | 1990-04-17 | Heraeus Lasersonics, Inc. | Delivery arrangement for a laser medical system |
US5221308A (en) * | 1988-09-21 | 1993-06-22 | 3M | Low loss infrared transmitting hollow core optical fiber method of manufacture |
US5815627A (en) * | 1994-01-13 | 1998-09-29 | Rutgers, The State University Of New Jersey | Co-axial hollow core waveguide |
JP3072842B2 (ja) | 1998-05-07 | 2000-08-07 | 日本電信電話株式会社 | 単一モード光ファイバ |
US6404966B1 (en) * | 1998-05-07 | 2002-06-11 | Nippon Telegraph And Telephone Corporation | Optical fiber |
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CA2445487A1 (en) * | 2001-10-09 | 2003-04-17 | Crystal Fibre A/S | Hermetically sealed optical fibre with voids or holes, method of its production, and its use |
GB0129638D0 (en) * | 2001-12-11 | 2002-01-30 | Blazephotonics Ltd | A method and apparatus relating to optical fibre waveguides |
JP3798984B2 (ja) * | 2002-01-09 | 2006-07-19 | 正隆 中沢 | フォトニッククリスタル光ファイバの製造方法 |
US7082242B2 (en) * | 2003-01-31 | 2006-07-25 | Corning Incorporated | Multiple core microstructured optical fibers and methods using said fibers |
US6993230B2 (en) * | 2003-08-01 | 2006-01-31 | The United States Of America As Represented By The Secretary Of The Navy | Hollow core photonic band gap infrared fibers |
JP4561314B2 (ja) * | 2004-10-28 | 2010-10-13 | 日立電線株式会社 | ファイバレーザ用光ファイバ、ファイバレーザ及びレーザ発振方法 |
-
2005
- 2005-01-27 JP JP2005019481A patent/JP4254716B2/ja not_active Expired - Fee Related
-
2006
- 2006-01-26 CN CNB2006100030144A patent/CN100412579C/zh not_active Expired - Fee Related
- 2006-01-26 US US11/339,634 patent/US7373061B2/en not_active Expired - Fee Related
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Publication number | Publication date |
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JP2006208654A (ja) | 2006-08-10 |
CN1811497A (zh) | 2006-08-02 |
US7373061B2 (en) | 2008-05-13 |
US20060165361A1 (en) | 2006-07-27 |
CN100412579C (zh) | 2008-08-20 |
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