JP2018163370A - 低後方反射の光ファイバ成端 - Google Patents
低後方反射の光ファイバ成端 Download PDFInfo
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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
- G02B6/262—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
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
- G01D5/35306—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement
- G01D5/35309—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement using multiple waves interferometer
- G01D5/35316—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement using multiple waves interferometer using a Bragg gratings
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
- G01D5/3537—Optical fibre sensor using a particular arrangement of the optical fibre itself
- G01D5/35374—Particular layout of the fiber
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
- G01D5/35383—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using multiple sensor devices using multiplexing techniques
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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
- G02B6/241—Light guide terminations
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
- A61B18/22—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
- A61B2018/2255—Optical elements at the distal end of probe tips
- A61B2018/2272—Optical elements at the distal end of probe tips with reflective or refractive surfaces for deflecting the beam
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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
-
- 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
- G02B6/4206—Optical features
-
- 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
- G02B6/4214—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical element having redirecting reflective means, e.g. mirrors, prisms for deflecting the radiation from horizontal to down- or upward direction toward a device
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Abstract
Description
次に、好適な研磨角度θを計算するための本発明の一態様による技法を説明する。好適な研磨角度θは、経験的に、すなわち、試行錯誤手法によって、または解析的手法と経験的手法との組合せによって到達することもできることに留意されたい。
n=1.467、
λ=1.55μm、
ω=5.2μm。
図10は、本発明による低後方反射成端構造体90を備えるマルチコア・ファイバ(MCF)80のセグメントの先端部の等角図である。図11はMCF80の側面断面図を示し、図12はMCF80の面12−12による断面図を示す。
図16は、以下のステップを含む、本発明の上述の態様による一般的技法140を示す流れ図を示す。
ステップ141:ファイバ軸に沿った光の伝送のための導波路を規定するためのコアおよびクラッドを含む光ファイバのセグメントを用意する。
ステップ142:光ファイバ・セグメントの選択した端部に、ファイバ軸に対して選択した角度で端面を形成する。
ステップ143:傾斜端面上に好適な材料を堆積させて、傾斜反射表面を形成し、
傾斜反射表面は、導波路に沿って光ファイバ・セグメントの選択した端部まで進む光が反射されて光ファイバ・セグメントに戻るように構成され、
傾斜反射表面は、反射光のファイバ・コアへの結合を防止するように構成され、
それによって、反射光はファイバ・セグメントの長さに沿って消散される。
Claims (6)
- 光ファイバを成端する方法であって、
(a)ファイバ軸に沿った光の伝送のための導波路を規定するためのコアおよびクラッドを含む光ファイバ・セグメントを用意することと、
(b)前記光ファイバ・セグメントの選択した端部に、前記ファイバ軸に対して選択した角度で端面を形成することと、
(c)傾斜された前記端面上に反射材料を堆積させて、傾斜反射表面を形成することとを含み、
前記傾斜反射表面は、前記導波路に沿って前記光ファイバ・セグメントの前記選択した端部まで伝搬する光が反射されて前記光ファイバ・セグメントに戻るように構成され、
前記傾斜反射表面は、後方反射光の前記コアへの結合を防止するように構成され、
それによって、前記後方反射光が前記光ファイバ・セグメントの長さに沿って消散できるようにし、
傾斜された前記端面が前記ファイバ軸に垂直な面に対して角度θを有するように構成され、前記傾斜反射表面の方に前記導波路に沿って進む光が反射されて角度2θで前記光ファイバ・セグメントに戻り、前記コアに結合する前記反射光の割合は関係式
に従って得られ、ここで、nは前記コアのコア屈折率であり、ωはスポットサイズであり、λは伝送光の波長であり、
形成された前記端面および前記傾斜反射表面が凸面形状を有する、光ファイバを成端する方法。 - 前記後方反射光が、前記クラッドを囲む被覆において消散する、請求項1に記載の方法。
- 前記光ファイバ・セグメントが、それぞれの複数の導波路を規定するためのクラッドおよび複数のコアを含み、
前記傾斜反射表面は、前記複数の導波路のうちの1つまたは複数に沿って前記光ファイバ・セグメントの前記選択した端部まで進む光が反射されて前記光ファイバ・セグメントに戻るように構成され、
前記傾斜反射表面は、反射光の前記複数のコアのいずれかへの結合を防止するように構成される、請求項1に記載の方法。 - コアと周囲のクラッドとを有する光ファイバのための成端構造体であって、
ファイバ軸に対して選択した角度を有する、ファイバ先端部に形成された端面と、
傾斜された前記端面上に堆積されて、傾斜反射表面を形成する反射材料と
を有し、
前記傾斜反射表面は、導波路に沿って前記ファイバ先端部まで伝搬する光が反射されて前記光ファイバに戻るように構成され、
前記傾斜反射表面は、後方反射光の前記コアへの結合を防止するように構成され、
それによって、前記後方反射光が光ファイバ・セグメントの長さに沿って消散できるようにし、
傾斜された前記端面が前記ファイバ軸に垂直な面に対して角度θを有するように構成され、前記傾斜反射表面の方に前記導波路に沿って進む光が反射されて角度2θで前記光ファイバ・セグメントに戻り、前記コアに結合する前記反射光の割合は関係式
に従って得られ、ここで、nは前記コアのコア屈折率であり、ωはスポットサイズであり、λは伝送光の波長であり、
形成された前記端面および前記傾斜反射表面が凸面形状を有する、光ファイバのための成端構造体。 - 前記後方反射光が、前記クラッドを囲む被覆において消散する、請求項4に記載の光ファイバ成端構造体。
- 前記光ファイバ・セグメントが、それぞれの複数の導波路を規定するためのクラッドおよび複数のコアを含み、
前記傾斜反射表面は、前記複数の導波路のうちの1つまたは複数に沿って前記光ファイバ・セグメントの選択した前記先端部まで進む光が反射されて前記光ファイバ・セグメントに戻るように構成され、
前記傾斜反射表面は、反射光の前記コアのいずれかへの結合を防止するように構成される、請求項4に記載の光ファイバ成端構造体。
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KR101772407B1 (ko) * | 2015-08-25 | 2017-09-12 | 부경대학교 산학협력단 | 등방향 광 조사 및 수용을 위해 가공된 광섬유와 광섬유 가공장치 및 가공방법 |
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JPH0312608A (ja) * | 1989-06-09 | 1991-01-21 | Nippon Telegr & Teleph Corp <Ntt> | 誘電体多層膜付き光ファイバおよびその製造方法 |
DE4020528A1 (de) * | 1990-06-28 | 1992-01-02 | Philips Patentverwaltung | Optische verbindung der enden zweier koaxialer lichtwellenleiter |
WO1996004580A1 (en) * | 1994-07-29 | 1996-02-15 | The Whitaker Corporation | Optical attenuator having a partially reflective surface |
US5953477A (en) * | 1995-11-20 | 1999-09-14 | Visionex, Inc. | Method and apparatus for improved fiber optic light management |
JP2867945B2 (ja) * | 1996-02-28 | 1999-03-10 | 松下電工株式会社 | 光ファイバ |
US6208783B1 (en) * | 1997-03-13 | 2001-03-27 | Cirrex Corp. | Optical filtering device |
JP3360005B2 (ja) * | 1997-06-13 | 2002-12-24 | 昭和電線電纜株式会社 | 光固定減衰器 |
US6466713B2 (en) * | 2000-08-18 | 2002-10-15 | The Regents Of The University Of California | Optical fiber head for providing lateral viewing |
JP2002139629A (ja) * | 2000-10-31 | 2002-05-17 | Sumitomo Electric Ind Ltd | 光損失フィルタ |
US20060137403A1 (en) * | 2004-12-29 | 2006-06-29 | Barr Brian D | High energy fiber terminations and methods |
WO2006076759A1 (en) * | 2005-01-21 | 2006-07-27 | Optiscan Pty Ltd | Fibre bundle for contact endomicroscopy |
US20090175576A1 (en) * | 2008-01-08 | 2009-07-09 | Cornova, Inc. | Shaped fiber ends and methods of making same |
JP5136260B2 (ja) * | 2008-07-24 | 2013-02-06 | 富士ゼロックス株式会社 | 光導波路フィルム、及び光送受信モジュール |
EP2376960A1 (en) * | 2008-12-22 | 2011-10-19 | AMS Research Corporation | Sapphire-based delivery tip for optic fiber |
JP2010197725A (ja) * | 2009-02-25 | 2010-09-09 | Anritsu Corp | 光測定器 |
US8780339B2 (en) * | 2009-07-15 | 2014-07-15 | Koninklijke Philips N.V. | Fiber shape sensing systems and methods |
US8295671B2 (en) * | 2009-10-15 | 2012-10-23 | Corning Incorporated | Coated optical fibers and related apparatuses, links, and methods for providing optical attenuation |
JP2013097164A (ja) * | 2011-10-31 | 2013-05-20 | Ricoh Opt Ind Co Ltd | 光学部品 |
US20130331689A1 (en) * | 2012-06-07 | 2013-12-12 | Poincare Systems, Inc. | Rotating shaft containing optical waveguide |
-
2014
- 2014-01-31 US US14/169,419 patent/US9244226B2/en active Active
-
2015
- 2015-01-27 EP EP15152642.3A patent/EP2905642B1/en active Active
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US20150219851A1 (en) | 2015-08-06 |
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JP2015156019A (ja) | 2015-08-27 |
US9244226B2 (en) | 2016-01-26 |
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