JPWO2021246497A1 - - Google Patents
Info
- Publication number
- JPWO2021246497A1 JPWO2021246497A1 JP2022528897A JP2022528897A JPWO2021246497A1 JP WO2021246497 A1 JPWO2021246497 A1 JP WO2021246497A1 JP 2022528897 A JP2022528897 A JP 2022528897A JP 2022528897 A JP2022528897 A JP 2022528897A JP WO2021246497 A1 JPWO2021246497 A1 JP WO2021246497A1
- Authority
- JP
- Japan
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
- G01B11/18—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge using photoelastic elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
- G01L1/242—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre
- G01L1/246—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre using integrated gratings, e.g. Bragg gratings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/636—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited using an arrangement of pump beam and probe beam; using the measurement of optical non-linear properties
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/954—Inspecting the inner surface of hollow bodies, e.g. bores
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N2021/4704—Angular selective
- G01N2021/4709—Backscatter
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/636—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited using an arrangement of pump beam and probe beam; using the measurement of optical non-linear properties
- G01N2021/638—Brillouin effect, e.g. stimulated Brillouin effect
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/954—Inspecting the inner surface of hollow bodies, e.g. bores
- G01N2021/9542—Inspecting the inner surface of hollow bodies, e.g. bores using a probe
- G01N2021/9546—Inspecting the inner surface of hollow bodies, e.g. bores using a probe with remote light transmitting, e.g. optical fibres
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Nonlinear Science (AREA)
- Optics & Photonics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020098349 | 2020-06-05 | ||
| JP2020098349 | 2020-06-05 | ||
| PCT/JP2021/021283 WO2021246497A1 (ja) | 2020-06-05 | 2021-06-03 | 形状測定システム及び形状測定方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2021246497A1 true JPWO2021246497A1 (https=) | 2021-12-09 |
| JP7376052B2 JP7376052B2 (ja) | 2023-11-08 |
Family
ID=78831274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022528897A Active JP7376052B2 (ja) | 2020-06-05 | 2021-06-03 | 形状測定システム及び形状測定方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US12203847B2 (https=) |
| EP (1) | EP4163586B1 (https=) |
| JP (1) | JP7376052B2 (https=) |
| WO (1) | WO2021246497A1 (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4455617A4 (en) * | 2021-12-24 | 2025-12-17 | Ntt Inc | FORM MEASURING SYSTEM AND FORM MEASURING METHOD |
| CN115900579B (zh) * | 2023-01-06 | 2023-05-26 | 山东大学 | 一种自校正可拼接式光纤位移场传感系统及其校正方法 |
| WO2025047077A1 (ja) * | 2023-08-28 | 2025-03-06 | 日本電信電話株式会社 | 測定システム、測定方法、及び、解析装置 |
| CN118149723B (zh) * | 2024-05-09 | 2024-07-19 | 武汉理工大学 | 一种长距离水下线缆姿态检测方法及系统 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013505441A (ja) * | 2009-09-18 | 2013-02-14 | ルナ イノベーションズ インコーポレイテッド | 光学的位置および／または形状センシング |
| JP2016102691A (ja) * | 2014-11-27 | 2016-06-02 | 日本電信電話株式会社 | 光ファイバの曲げ形状測定装置及びその曲げ形状測定方法 |
| JP2018527041A (ja) * | 2015-06-15 | 2018-09-20 | コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． | 後方散乱反射光測定を用いて医療デバイスの位置及び／又は形状を感知するための光学的形状感知システム並びに方法 |
| JP2019522776A (ja) * | 2016-05-11 | 2019-08-15 | インテュイティブ サージカル オペレーションズ， インコーポレイテッド | 安全性のためのマルチコア光ファイバ内の冗長コア |
| JP2019531487A (ja) * | 2016-08-10 | 2019-10-31 | フラウンホファー ゲセルシャフト ツール フェールデルンク ダー アンゲヴァンテン フォルシュンク エー．ファオ． | 光学導波路の屈曲及び／またはひずみを決定するための方法 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4985405B2 (ja) * | 2005-09-29 | 2012-07-25 | 住友電気工業株式会社 | センサ及びそれを用いた外乱測定方法 |
| JP2007101508A (ja) * | 2005-10-07 | 2007-04-19 | Sumitomo Electric Ind Ltd | 温度測定方法及び温度測定装置 |
| JP5769676B2 (ja) * | 2012-08-17 | 2015-08-26 | 公益財団法人地球環境産業技術研究機構 | 物質の圧力、温度、ひずみ分布測定システム、これを用いた二酸化炭素地中貯留の監視方法、二酸化炭素注入による地層安定性への影響評価方法、および結氷監視方法 |
| US9366526B2 (en) * | 2012-11-30 | 2016-06-14 | Neubrex Co., Ltd. | Three-dimensional position measurement system |
| US10228556B2 (en) * | 2014-04-04 | 2019-03-12 | The General Hospital Corporation | Apparatus and method for controlling propagation and/or transmission of electromagnetic radiation in flexible waveguide(s) |
| CN105371781B (zh) * | 2015-11-13 | 2018-09-07 | 华中科技大学 | 一种三维形状测量方法 |
| US10145681B2 (en) * | 2016-07-19 | 2018-12-04 | Corning Incorporated | Brillouin-based distributed bend fiber sensor and method for using same |
| US10530114B2 (en) * | 2017-08-31 | 2020-01-07 | United States Of America As Represented By The Administrator Of Nasa | Polarization maintaining, large mode area (PMVLMA) erbium-doped optical fiber and amplifier |
| CN110243302B (zh) * | 2018-03-08 | 2020-11-06 | 桂林电子科技大学 | 反射式多芯循环串接光纤形状传感器 |
| EP3832254B1 (en) * | 2018-07-31 | 2023-08-30 | Furukawa Electric Co., Ltd. | Cable, cable shape sensing system, sensing system, and method for sensing cable shape |
| EP3969866B1 (en) * | 2019-05-12 | 2025-12-24 | Hampidjan HF. | A process for ascertaining the elongation of a load-bearing cable |
| WO2021086129A1 (ko) * | 2019-10-31 | 2021-05-06 | (주)옵토닉스 | 3차원 곡선 형상을 측정하기 위한 특수 광섬유 및 그의 제조 방법, 그리고 특수 광섬유를 이용하여 3차원 곡선 형상을 측정하는 시스템 |
-
2021
- 2021-06-03 US US17/915,924 patent/US12203847B2/en active Active
- 2021-06-03 JP JP2022528897A patent/JP7376052B2/ja active Active
- 2021-06-03 WO PCT/JP2021/021283 patent/WO2021246497A1/ja not_active Ceased
- 2021-06-03 EP EP21818720.1A patent/EP4163586B1/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013505441A (ja) * | 2009-09-18 | 2013-02-14 | ルナ イノベーションズ インコーポレイテッド | 光学的位置および／または形状センシング |
| JP2016102691A (ja) * | 2014-11-27 | 2016-06-02 | 日本電信電話株式会社 | 光ファイバの曲げ形状測定装置及びその曲げ形状測定方法 |
| JP2018527041A (ja) * | 2015-06-15 | 2018-09-20 | コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． | 後方散乱反射光測定を用いて医療デバイスの位置及び／又は形状を感知するための光学的形状感知システム並びに方法 |
| JP2019522776A (ja) * | 2016-05-11 | 2019-08-15 | インテュイティブ サージカル オペレーションズ， インコーポレイテッド | 安全性のためのマルチコア光ファイバ内の冗長コア |
| JP2019531487A (ja) * | 2016-08-10 | 2019-10-31 | フラウンホファー ゲセルシャフト ツール フェールデルンク ダー アンゲヴァンテン フォルシュンク エー．ファオ． | 光学導波路の屈曲及び／またはひずみを決定するための方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP4163586B1 (en) | 2025-04-09 |
| EP4163586A1 (en) | 2023-04-12 |
| JP7376052B2 (ja) | 2023-11-08 |
| US20230147800A1 (en) | 2023-05-11 |
| EP4163586A4 (en) | 2024-02-21 |
| WO2021246497A1 (ja) | 2021-12-09 |
| US12203847B2 (en) | 2025-01-21 |
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