JP6835697B2 - 円柱状の光学的な対象物、特に光ファイバのプリフォームの屈折率プロファイルを求める方法 - Google Patents
円柱状の光学的な対象物、特に光ファイバのプリフォームの屈折率プロファイルを求める方法 Download PDFInfo
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- JP6835697B2 JP6835697B2 JP2017206251A JP2017206251A JP6835697B2 JP 6835697 B2 JP6835697 B2 JP 6835697B2 JP 2017206251 A JP2017206251 A JP 2017206251A JP 2017206251 A JP2017206251 A JP 2017206251A JP 6835697 B2 JP6835697 B2 JP 6835697B2
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0012—Optical design, e.g. procedures, algorithms, optimisation routines
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
- G01M11/35—Testing of optical devices, constituted by fibre optics or optical waveguides in which light is transversely coupled into or out of the fibre or waveguide, e.g. using integrating spheres
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- 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
- G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
- G01N21/412—Index profiling of optical fibres
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
- G01M11/0228—Testing optical properties by measuring refractive power
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
- G01M11/37—Testing of optical devices, constituted by fibre optics or optical waveguides in which light is projected perpendicularly to the axis of the fibre or waveguide for monitoring a section thereof
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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
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
- G02B6/03638—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 3 layers only
- G02B6/0365—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 3 layers only arranged - - +
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP16195864.0 | 2016-10-26 | ||
| EP16195864.0A EP3315948B1 (de) | 2016-10-26 | 2016-10-26 | Verfahren zur ermittlung des brechzahlprofils eines zylinderförmigen optischen gegenstandes |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2018077220A JP2018077220A (ja) | 2018-05-17 |
| JP2018077220A5 JP2018077220A5 (OSRAM) | 2020-09-03 |
| JP6835697B2 true JP6835697B2 (ja) | 2021-02-24 |
Family
ID=57226793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017206251A Active JP6835697B2 (ja) | 2016-10-26 | 2017-10-25 | 円柱状の光学的な対象物、特に光ファイバのプリフォームの屈折率プロファイルを求める方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US10508973B2 (OSRAM) |
| EP (1) | EP3315948B1 (OSRAM) |
| JP (1) | JP6835697B2 (OSRAM) |
| CN (1) | CN107991770B (OSRAM) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108803018B (zh) * | 2018-08-15 | 2020-09-08 | 重庆理工大学 | 光波导纵向折射率分布的重构方法 |
| EP3889581A1 (de) | 2020-03-30 | 2021-10-06 | Heraeus Quarzglas GmbH & Co. KG | Verfahren zur ermittlung des brechzahlprofils eines zylinderförmigen optischen gegenstandes |
| EP4016052A1 (de) * | 2020-12-18 | 2022-06-22 | Heraeus Quarzglas GmbH & Co. KG | Verfahren und vorrichtung zur ermittlung des brechzahlprofils eines zylinderförmigen optischen gegenstandes |
| US11788927B2 (en) | 2021-02-26 | 2023-10-17 | Heraeus Quartz North America Llc | Evaluation of preforms with non-step-index refractive-index-profile (RIP) |
| US12422359B2 (en) | 2023-06-26 | 2025-09-23 | Heraeus Quartz North America Llc | Tomographic refractive index profile evaluation of non-symmetrical glass fiber preforms and fibers themselves |
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| US2078488A (en) * | 1936-04-03 | 1937-04-27 | Ralph A Farnham | Protective article of manufacture |
| US3636360A (en) * | 1968-05-13 | 1972-01-18 | Hitachi Ltd | Apparatus for detection of liquid level in transparent tube comprising photocell located to receive light which has been totally reflected |
| DE2121744A1 (de) * | 1971-05-03 | 1972-11-09 | Siemens Ag | Optoelektronische Einrichtung zur Messung und Regelung der Konzentration von Lösungen |
| US4181433A (en) * | 1978-04-14 | 1980-01-01 | Bell Telephone Laboratories, Incorporated | Method for determining the refractive index profile of optical fibers and optical fiber preforms |
| US4227806A (en) | 1978-10-16 | 1980-10-14 | Western Electric Company, Inc. | Methods for non-destructively determining parameters of an optical fiber preform |
| EP0047272B1 (en) * | 1980-03-11 | 1984-11-07 | National Research Development Corporation | Measurement of refractive index profile |
| US4441811A (en) | 1981-09-10 | 1984-04-10 | Corning Glass Works | Apparatus and method for determining refractive index profile in a cylindrical article |
| US4519704A (en) * | 1982-03-18 | 1985-05-28 | National Research Development Corporation | Measurement of optical refractive index profiles |
| US4492463A (en) * | 1982-03-29 | 1985-01-08 | At&T Bell Laboratories | Method for inspecting multilayer transparent rods |
| JPS6170436A (ja) * | 1984-09-14 | 1986-04-11 | Univ Kyoto | 円柱内屈折率分布測定方法 |
| US4726677A (en) * | 1986-12-22 | 1988-02-23 | American Telephone And Telegraph Company, At&T Technologies, Inc. | Autofocused lightguide preform profiler |
| US5365329A (en) * | 1988-11-15 | 1994-11-15 | York Technology Limited | Apparatus and method for measuring refractive index |
| US4934818A (en) * | 1989-03-24 | 1990-06-19 | American Telephone And Telegraph Company | Refractive index profiling technique |
| JP2661001B2 (ja) * | 1989-04-17 | 1997-10-08 | 理化学研究所 | 屈折率分布の測定方法及び測定装置 |
| US5078488A (en) * | 1989-04-17 | 1992-01-07 | Rikagaku Kenkyusho | Method and apparatus for determining refractive index distribution |
| FR2651312B1 (fr) * | 1989-08-25 | 1992-01-17 | France Etat | Procede et dispositif de caracterisation geometrique de tubes transparents. |
| FR2700006B1 (fr) * | 1992-12-24 | 1995-03-17 | France Telecom | Appareil de mesure de profil d'indice d'une préforme de fibre optique comportant une enveloppe externe et un cÓoeur. |
| US5396323A (en) * | 1994-02-07 | 1995-03-07 | Corning Incorporated | Method and apparatus for analyzing optical waveguide cane |
| US5844669A (en) * | 1996-07-22 | 1998-12-01 | General Electric Company | Detecting and minimizing fiber misalignment in a composite during manufacturing |
| US6131414A (en) * | 1997-05-13 | 2000-10-17 | Shin-Etsu Chemical Co., Ltd. | Method for making a preform for optical fibers by drawing a mother ingot |
| JP3072986B2 (ja) * | 1998-10-12 | 2000-08-07 | 佐々木 一正 | 光ファイバ母材の内部屈折率分布測定法と測定装置 |
| US6302540B1 (en) * | 1999-03-04 | 2001-10-16 | Shamir Optical Industries | Method for the design of multifocal optical elements |
| US6538755B1 (en) * | 2000-10-17 | 2003-03-25 | Alcatel | System and method of detecting the interface between mediums with dissimilar indices of refraction |
| JP2003315208A (ja) * | 2000-10-20 | 2003-11-06 | Kazumasa Sasaki | 光ファイバ母材の内部屈折率測定法及び測定装置 |
| ITTO20010349A1 (it) * | 2001-04-11 | 2002-10-11 | Area Sistemi S R L | Apparecchiatura ottica per la misurazione di oggetti con profilo rettilineo. |
| EP1456141A1 (en) * | 2001-12-19 | 2004-09-15 | Pirelli & C. S.p.A. | Process for determining the drawing tension in the manufacturing of an optical fibre |
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| CN107110778B (zh) * | 2014-10-31 | 2020-01-07 | 康宁股份有限公司 | 对圆柱形玻璃体的折射率分布进行高精度测量 |
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2016
- 2016-10-26 EP EP16195864.0A patent/EP3315948B1/de active Active
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2017
- 2017-10-17 US US15/785,690 patent/US10508973B2/en active Active
- 2017-10-25 JP JP2017206251A patent/JP6835697B2/ja active Active
- 2017-10-26 CN CN201711017697.3A patent/CN107991770B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US10508973B2 (en) | 2019-12-17 |
| CN107991770A (zh) | 2018-05-04 |
| EP3315948B1 (de) | 2019-09-04 |
| CN107991770B (zh) | 2021-07-09 |
| EP3315948A1 (de) | 2018-05-02 |
| JP2018077220A (ja) | 2018-05-17 |
| US20180113052A1 (en) | 2018-04-26 |
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