JP2018159927A - 分布センシングアプリケーションのための平坦なプロファイルの光ファイバケーブル - Google Patents
分布センシングアプリケーションのための平坦なプロファイルの光ファイバケーブル Download PDFInfo
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- JP2018159927A JP2018159927A JP2018055546A JP2018055546A JP2018159927A JP 2018159927 A JP2018159927 A JP 2018159927A JP 2018055546 A JP2018055546 A JP 2018055546A JP 2018055546 A JP2018055546 A JP 2018055546A JP 2018159927 A JP2018159927 A JP 2018159927A
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Classifications
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- 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
- G01D5/35338—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 other arrangements than interferometer arrangements
- G01D5/35354—Sensor working in reflection
- G01D5/35358—Sensor working in reflection using backscattering to detect the measured quantity
- G01D5/35364—Sensor working in reflection using backscattering to detect the measured quantity using inelastic backscattering to detect the measured quantity, e.g. using Brillouin or Raman backscattering
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- 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
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- 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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- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Transform (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Abstract
【解決手段】光ファイバ12はケーブル10の中心に位置し、コア領域14、コア領域を囲む少なくとも1つのクラッド層16、少なくとも1つのクラッド層を覆う保護コーティング18、及び保護コーティングを囲むように配置されたエラストマー熱可塑性材料のタイトバッファ20を含む。ケーブル構造体の残りの部分は、光ファイバの両側に長手方向に配置された一対の強度部材22(強度部材はガラス系非記憶型材料で構成される)並びに光ファイバ及び一対の強度部材を内包するように形成された硬いプラスチックジャケット30を含み、プラスチックジャケットは、好ましくは基本的に矩形のプロファイルを示す。
【選択図】図3
Description
本出願は、2017年3月23日に出願されて参照によりここに取り込まれる米国仮特許出願第62/475532号の利益を主張する。
本発明は、分布センシングアプリケーションのための光ファイバケーブルに関し、より詳細には、ケーブル構造体内のセンシングファイバのためのタイトバッファとガラス系強度部材(ロッド)との組合せを利用する光ファイバケーブルに関する。
Claims (10)
- 分布センシング光ファイバケーブルであって、
コア領域、
前記コア領域を囲む少なくとも1つのクラッド層、
前記少なくとも1つのクラッド層を覆う保護コーティング、及び
前記保護コーティングを囲むように配置されたエラストマー熱可塑性材料のタイトバッファ
を含む光ファイバ、
前記光ファイバの両側に長手方向に配置され、非記憶型材料で形成された一対の強度部材、並びに
前記光ファイバ及び前記一対の強度部材を内包するように形成され、少なくとも1つの比較的平坦な表面を含むプロファイルを有するプラスチックジャケット
を備えた分布センシング光ファイバケーブル。 - 前記一対の強度部材がロッド幾何形状を示す、請求項1に記載の分布センシングケーブル。
- 前記一対の強度部材がガラス系材料で形成される、請求項1に記載の分布センシングケーブル。
- 前記一対の強度部材が少なくとも1つの光ファイバを備える、請求項3に記載の分布センシングケーブル。
- 前記少なくとも1つの光ファイバが温度センシング光ファイバを備える、請求項4に記載の分布センシングケーブル。
- 前記少なくとも1つの光ファイバが歪センシング光ファイバを備える、請求項4に記載の分布センシングケーブル。
- 前記少なくとも1つの光ファイバが、前記分布センシングケーブルに沿って光データを伝送するための光通信ファイバを備える、請求項4に記載の分布センシングケーブル。
- 前記ケーブルが分布音響センシングケーブルを備え、前記光ファイバがシングルモード光ファイバである、請求項1に記載の分布センシングケーブル。
- 前記ケーブルが分布温度センシングケーブルを備え、前記光ファイバがマルチモード光ファイバである、請求項1に記載の分布センシングケーブル。
- 前記ケーブルが分布歪センシングケーブルを備え、前記光ファイバが偏波保持光ファイバである、請求項1に記載の分布センシングケーブル。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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US201762475532P | 2017-03-23 | 2017-03-23 | |
US62/475,532 | 2017-03-23 | ||
US15/793,423 US10739169B2 (en) | 2017-03-23 | 2017-10-25 | Flat profile optical fiber cable for distributed sensing applications |
US15/793,423 | 2017-10-25 |
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JP2018159927A true JP2018159927A (ja) | 2018-10-11 |
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US (1) | US10739169B2 (ja) |
JP (1) | JP2018159927A (ja) |
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RU189615U1 (ru) * | 2018-11-16 | 2019-05-29 | Общество с ограниченной ответственностью "Уникальные волоконные приборы" (ООО "УВП") | Волоконно-оптический сенсор распределения гидростатического давления |
IT201900004679A1 (it) * | 2019-03-28 | 2020-09-28 | Univ Degli Studi Della Campania Luigi Vanvitelli | Trasduttore perfezionato |
MY201978A (en) | 2019-09-13 | 2024-03-27 | Petroliam Nasional Berhad | Optical cable |
US11477631B2 (en) * | 2021-03-16 | 2022-10-18 | Omidreza Ghanadiof | Earthquake damage warning system |
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CN104199159A (zh) * | 2014-09-05 | 2014-12-10 | 四川通光光缆有限公司 | 同时监测温度和应变的扁平型带状传感光缆 |
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US10739169B2 (en) | 2020-08-11 |
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