JP3926801B2 - 光ファイバの偏心測定システム - Google Patents
光ファイバの偏心測定システム Download PDFInfo
- Publication number
- JP3926801B2 JP3926801B2 JP2004022953A JP2004022953A JP3926801B2 JP 3926801 B2 JP3926801 B2 JP 3926801B2 JP 2004022953 A JP2004022953 A JP 2004022953A JP 2004022953 A JP2004022953 A JP 2004022953A JP 3926801 B2 JP3926801 B2 JP 3926801B2
- Authority
- JP
- Japan
- Prior art keywords
- fiber
- length
- cross
- eccentricity
- optical fiber
- Prior art date
- 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.)
- Expired - Lifetime
Links
- 239000013307 optical fiber Substances 0.000 title claims description 38
- 238000005259 measurement Methods 0.000 title description 9
- 239000000835 fiber Substances 0.000 claims description 154
- 238000000034 method Methods 0.000 claims description 34
- 230000003287 optical effect Effects 0.000 claims description 25
- 238000012545 processing Methods 0.000 claims description 24
- 230000008569 process Effects 0.000 claims description 15
- 230000008859 change Effects 0.000 claims description 14
- 230000010287 polarization Effects 0.000 description 15
- 238000005253 cladding Methods 0.000 description 10
- 239000011521 glass Substances 0.000 description 9
- 238000003860 storage Methods 0.000 description 9
- 238000004364 calculation method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001902 propagating effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- 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
- G01N21/952—Inspecting the exterior surface of cylindrical bodies or wires
Landscapes
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Optics & Photonics (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/354,277 US6937325B2 (en) | 2003-01-30 | 2003-01-30 | Method and apparatus for measuring eccentricity in a optical fiber |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2004233364A JP2004233364A (ja) | 2004-08-19 |
| JP2004233364A5 JP2004233364A5 (enExample) | 2005-05-26 |
| JP3926801B2 true JP3926801B2 (ja) | 2007-06-06 |
Family
ID=32770328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004022953A Expired - Lifetime JP3926801B2 (ja) | 2003-01-30 | 2004-01-30 | 光ファイバの偏心測定システム |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US6937325B2 (enExample) |
| JP (1) | JP3926801B2 (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005308717A (ja) * | 2004-03-23 | 2005-11-04 | Shin Etsu Chem Co Ltd | 光ファイバ母材のコア部非円率の測定方法及びその装置 |
| JP4825430B2 (ja) | 2005-02-22 | 2011-11-30 | 信越化学工業株式会社 | 光ファイバ母材のコア部非円率測定方法。 |
| US7461463B1 (en) * | 2007-05-16 | 2008-12-09 | Beta Lasermike, Inc. | Eccentricity gauge for wire and cable and method for measuring concentricity |
| US8111957B2 (en) * | 2008-07-10 | 2012-02-07 | Corning Incorporated | +cylindrical polarization beams |
| GB0919902D0 (en) * | 2009-11-13 | 2009-12-30 | Qinetiq Ltd | Improvements in fibre optic cables for distributed sensing |
| EP4442656A4 (en) | 2021-11-29 | 2025-03-26 | Sumitomo Electric Industries, Ltd. | Method for measuring twist of optical fiber and method for manufacturing optical fiber |
| JP7868448B2 (ja) * | 2022-08-10 | 2026-06-02 | 住友電気工業株式会社 | 光ファイバの製造方法 |
Family Cites Families (5)
| 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 |
| CA2242989A1 (en) * | 1996-01-22 | 1997-07-24 | Corning Incorporated | Optical fiber of modulated spin for reduced polarisation mode dispersion as well as process and apparatus for its manufacture |
| US6020584A (en) * | 1997-02-14 | 2000-02-01 | Corning Incorporated | Method of measuring the polarization mode dispersion of an optical waveguide device |
| JP3340370B2 (ja) * | 1997-12-08 | 2002-11-05 | スタンレー電気株式会社 | ヘッドランプ |
| JP4018298B2 (ja) | 1999-06-30 | 2007-12-05 | 株式会社フジクラ | 光ファイバの捻じれ検出方法 |
-
2003
- 2003-01-30 US US10/354,277 patent/US6937325B2/en not_active Expired - Lifetime
-
2004
- 2004-01-30 JP JP2004022953A patent/JP3926801B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2004233364A (ja) | 2004-08-19 |
| US6937325B2 (en) | 2005-08-30 |
| US20040150811A1 (en) | 2004-08-05 |
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