JP2018077220A5 - - Google Patents

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JP2018077220A5
JP2018077220A5 JP2017206251A JP2017206251A JP2018077220A5 JP 2018077220 A5 JP2018077220 A5 JP 2018077220A5 JP 2017206251 A JP2017206251 A JP 2017206251A JP 2017206251 A JP2017206251 A JP 2017206251A JP 2018077220 A5 JP2018077220 A5 JP 2018077220A5
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Japan
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deflection angle
fit
profile
angle distribution
index
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JP2017206251A
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Japanese (ja)
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JP2018077220A (ja
JP6835697B2 (ja
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Priority claimed from EP16195864.0A external-priority patent/EP3315948B1/de
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JP2017206251A 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 Active JP6835697B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP16195864.0A EP3315948B1 (de) 2016-10-26 2016-10-26 Verfahren zur ermittlung des brechzahlprofils eines zylinderförmigen optischen gegenstandes
EP16195864.0 2016-10-26

Publications (3)

Publication Number Publication Date
JP2018077220A JP2018077220A (ja) 2018-05-17
JP2018077220A5 true JP2018077220A5 (https=) 2020-09-03
JP6835697B2 JP6835697B2 (ja) 2021-02-24

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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)

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US (1) US10508973B2 (https=)
EP (1) EP3315948B1 (https=)
JP (1) JP6835697B2 (https=)
CN (1) CN107991770B (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
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

Family Cites Families (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4515475A (en) * 1980-03-11 1985-05-07 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
US5078488A (en) * 1989-04-17 1992-01-07 Rikagaku Kenkyusho Method and apparatus for determining refractive index distribution
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
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
US7719646B2 (en) * 2002-11-15 2010-05-18 Sharp Kabushiki Kaisha Liquid crystal display device
JP2004212209A (ja) * 2002-12-27 2004-07-29 Olympus Corp 角度検出装置、光信号スイッチシステムおよび情報記録再生システム
FR2875295B1 (fr) * 2004-09-10 2006-11-17 Commissariat Energie Atomique Procede de mesure d'objets tridimensionnels par ombroscopie optique a une seule vue, utilisant les lois optiques de la propagation de la lumiere
KR20060085591A (ko) * 2005-01-24 2006-07-27 김봉주 재귀반사유닛 및 그 재귀반사유닛을 구비한 재귀반사체
US7317856B2 (en) * 2005-04-11 2008-01-08 Sumitomo Electric Industries, Ltd. Method of making optical fiber and optical fiber made by the method
JP2007086055A (ja) * 2005-08-24 2007-04-05 Sumitomo Electric Ind Ltd ガラスロッドの検査方法とこの方法を含む光ファイバ母材製造方法および光ファイバ製造方法
US20080285926A1 (en) * 2006-03-07 2008-11-20 Sterlite Optical Technologies Ltd. Optical Fiber Having Desired Waveguide Parameters and Method for Producing the Same
US8072611B2 (en) * 2007-10-12 2011-12-06 Zygo Corporation Interferometric analysis of under-resolved features
GB0813906D0 (en) * 2008-07-30 2008-09-03 Goodrich Actuation Systems Ltd Actuator
JP5328437B2 (ja) * 2009-03-25 2013-10-30 キヤノン株式会社 透過波面測定方法、屈折率分布測定方法、光学素子の製造方法、及び透過波面測定装置
US8013985B2 (en) * 2009-03-30 2011-09-06 Corning Incorporated Methods of measuring the refractive index profile of a transparent cylindrical object
CN101916045B (zh) * 2010-07-27 2011-11-02 浙江大学 一种用于双偶极均匀照明的自由曲面透镜
EP2607886A1 (en) * 2010-08-19 2013-06-26 Citizen Holdings Co., Ltd. Refractive index measurement device and refractive index measurement method
US8322166B2 (en) * 2010-11-22 2012-12-04 Corning Incorporated Method of manufacturing optical fiber with selected draw tension
US9481599B2 (en) * 2010-12-21 2016-11-01 Corning Incorporated Method of making a multimode optical fiber
US20120263793A1 (en) * 2011-04-14 2012-10-18 Franco Vitaliano Bio-nano-plasmonic elements and platforms
US20130070462A1 (en) * 2011-09-15 2013-03-21 Xiao Ming Jin Reflective lighting device
US9454007B1 (en) * 2012-05-07 2016-09-27 Lockheed Martin Corporation Free-space lens design and lenses therefrom
US9952033B2 (en) * 2014-02-14 2018-04-24 Palo Alto Research Center Incorporated Spatial modulation of light to determine object length
US10290092B2 (en) * 2014-05-15 2019-05-14 Applied Materials Israel, Ltd System, a method and a computer program product for fitting based defect detection
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
JP6383647B2 (ja) * 2014-11-19 2018-08-29 東京エレクトロン株式会社 測定システムおよび測定方法
CN105467477A (zh) * 2015-12-03 2016-04-06 中国科学院长春光学精密机械与物理研究所 渐变焦距透镜阵列的曲面仿生复眼成像装置

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