JPWO2023204121A5 - - Google Patents

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Publication number
JPWO2023204121A5
JPWO2023204121A5 JP2024516220A JP2024516220A JPWO2023204121A5 JP WO2023204121 A5 JPWO2023204121 A5 JP WO2023204121A5 JP 2024516220 A JP2024516220 A JP 2024516220A JP 2024516220 A JP2024516220 A JP 2024516220A JP WO2023204121 A5 JPWO2023204121 A5 JP WO2023204121A5
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JP
Japan
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optical fiber
refractive index
fiber preform
index change
central axis
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Pending
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JP2024516220A
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English (en)
Japanese (ja)
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JPWO2023204121A1 (https=
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Priority claimed from PCT/JP2022/018193 external-priority patent/WO2022254986A1/ja
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Publication of JPWO2023204121A1 publication Critical patent/JPWO2023204121A1/ja
Publication of JPWO2023204121A5 publication Critical patent/JPWO2023204121A5/ja
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JP2024516220A 2021-06-04 2023-04-12 Pending JPWO2023204121A1 (https=)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021094105 2021-06-04
PCT/JP2022/018193 WO2022254986A1 (ja) 2021-06-04 2022-04-19 光ファイバの製造方法、光ファイバ、光ファイバリボンの製造方法、光ファイバリボン、光ファイバの製造装置、及び、光ファイバリボンの製造装置
PCT/JP2023/014897 WO2023204121A1 (ja) 2021-06-04 2023-04-12 光ファイバ母材および光ファイバの屈折率変化位置の測定方法および測定装置

Publications (2)

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JPWO2023204121A1 JPWO2023204121A1 (https=) 2023-10-26
JPWO2023204121A5 true JPWO2023204121A5 (https=) 2025-01-08

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JP2023525655A Pending JPWO2022254986A1 (https=) 2021-06-04 2022-04-19
JP2024516220A Pending JPWO2023204121A1 (https=) 2021-06-04 2023-04-12

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JP2023525655A Pending JPWO2022254986A1 (https=) 2021-06-04 2022-04-19

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US (2) US20240254032A1 (https=)
EP (1) EP4512785A4 (https=)
JP (2) JPWO2022254986A1 (https=)
CN (2) CN116917244A (https=)
WO (2) WO2022254986A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12298580B2 (en) 2023-02-21 2025-05-13 Honeywell International Inc. Techniques for azimuthally aligning a cross-section of an anti-resonant hollow core fiber when winding such fiber into a coil
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
JPWO2025023257A1 (https=) * 2023-07-25 2025-01-30
JPWO2025023306A1 (https=) * 2023-07-25 2025-01-30

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU585728B2 (en) * 1986-08-15 1989-06-22 Sumitomo Electric Industries, Ltd. Method and apparatus of measuring outer diameter and structure of optical fiber
JPS6414126A (en) * 1987-07-06 1989-01-18 Hitachi Cable Optical fiber drawing device
JPH02196204A (ja) * 1989-01-26 1990-08-02 Fujikura Ltd 定偏波光フアイバの軸合せ方法
JP3053509B2 (ja) * 1992-08-27 2000-06-19 信越化学工業株式会社 光ファイバ母材の検査装置および検査方法
US5408309A (en) * 1992-08-27 1995-04-18 Shin-Etsu Chemical Co., Ltd. Apparatus and method for inspecting elliplicity and eccentricity of optical fiber preforms
JP3777627B2 (ja) * 1995-04-03 2006-05-24 住友電気工業株式会社 ガラス繊維の製造方法および製造装置
JPH1020142A (ja) * 1996-07-05 1998-01-23 Furukawa Electric Co Ltd:The 光ファイバの観測系およびその観測系を用いた光ファイバ観測方法および光ファイバの軸合わせ方法
JP2000213912A (ja) 1999-01-25 2000-08-04 Mitsubishi Cable Ind Ltd 光ファイバ母材のコア部偏心量測定装置
JP2001004486A (ja) * 1999-06-23 2001-01-12 Fujikura Ltd 光ファイバ母材の検査方法と連続検査装置
JP4234280B2 (ja) * 1999-09-30 2009-03-04 古河電気工業株式会社 透光性物体の延伸方法及び延伸装置
KR100350458B1 (ko) * 2001-01-16 2002-08-29 삼성전자 주식회사 광섬유 잔여 응력 및 포토일래스틱 효과를 측정하기 위한장치 및 그 방법
CN1289422C (zh) * 2001-11-20 2006-12-13 王胜国 光纤抽丝过程中鲁棒直径控制的光纤
CN102889862A (zh) * 2012-10-09 2013-01-23 中天科技精密材料有限公司 一种大直径光纤预制棒偏心率测试设备及其测试方法
JP6036386B2 (ja) 2013-02-20 2016-11-30 住友電気工業株式会社 マルチコア光ファイバ母材製造方法
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JP6943820B2 (ja) * 2018-08-02 2021-10-06 古河電気工業株式会社 融着接続システム、融着接続機及び光ファイバの回転角判定方法
JP2020125961A (ja) * 2019-02-04 2020-08-20 日東電工株式会社 プラスチック光ファイバのコア径計測方法およびそれに用いるプラスチック光ファイバのコア径計測装置
CN210089976U (zh) * 2019-03-29 2020-02-18 北京交通大学 基于qpm和bkc技术的光纤折射率与内应力测量装置
JP7216042B2 (ja) 2020-03-27 2023-01-31 Kddi株式会社 光ファイバの屈折率分布の測定装置及び当該測定装置の処理装置

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