IT1084676B - Procedimento per depositare rivestimenti concentrici e uniformi su fibre ottiche - Google Patents
Procedimento per depositare rivestimenti concentrici e uniformi su fibre otticheInfo
- Publication number
- IT1084676B IT1084676B IT23352/77A IT2335277A IT1084676B IT 1084676 B IT1084676 B IT 1084676B IT 23352/77 A IT23352/77 A IT 23352/77A IT 2335277 A IT2335277 A IT 2335277A IT 1084676 B IT1084676 B IT 1084676B
- Authority
- IT
- Italy
- Prior art keywords
- concentric
- depositing
- procedure
- optical fibers
- uniform coatings
- Prior art date
Links
- 238000000151 deposition Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000013307 optical fiber Substances 0.000 title 1
Classifications
-
- 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
- G01B11/08—Measuring arrangements characterised by the use of optical techniques for measuring diameters
- G01B11/10—Measuring arrangements characterised by the use of optical techniques for measuring diameters of objects while moving
- G01B11/105—Measuring arrangements characterised by the use of optical techniques for measuring diameters of objects while moving using photoelectric detection means
-
- 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
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
-
- 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
- G01N21/8422—Investigating thin films, e.g. matrix isolation method
-
- 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)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Pathology (AREA)
- Health & Medical Sciences (AREA)
- Mathematical Physics (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/685,527 US4042723A (en) | 1976-05-12 | 1976-05-12 | Method for monitoring the properties of plastic coatings on optical fibers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1084676B true IT1084676B (it) | 1985-05-28 |
Family
ID=24752583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT23352/77A IT1084676B (it) | 1976-05-12 | 1977-05-09 | Procedimento per depositare rivestimenti concentrici e uniformi su fibre ottiche |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4042723A (it) |
| JP (1) | JPS52138962A (it) |
| BE (1) | BE854402A (it) |
| CA (1) | CA1059595A (it) |
| DE (1) | DE2720951C3 (it) |
| FR (1) | FR2351384A1 (it) |
| GB (1) | GB1532343A (it) |
| IT (1) | IT1084676B (it) |
| NL (1) | NL7705213A (it) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4124728A (en) * | 1977-01-31 | 1978-11-07 | Bell Telephone Laboratories, Incorporated | Method for monitoring the concentricity of plastic coatings on optical fibers |
| US4136961A (en) * | 1977-07-01 | 1979-01-30 | Corning Glass Works | Method and apparatus for detection of inclusions in glass article or the like |
| US4168907A (en) * | 1977-12-30 | 1979-09-25 | Bell Telephone Laboratories, Incorporated | Method for inspecting transparent rods |
| FR2469727A1 (fr) * | 1979-11-16 | 1981-05-22 | Thomson Csf | Procede de centrage automatique d'une fibre optique dans un revetement de protection primaire, et dispositif utilise pour la mise en oeuvre de ce procede |
| US4363827A (en) * | 1981-02-23 | 1982-12-14 | Bell Telephone Laboratories, Incorporated | Manufacture of concentric coatings for fiber waveguides |
| US4390897A (en) * | 1981-04-17 | 1983-06-28 | Western Electric Company, Inc. | Technique for automatically centering a lightguide fiber in a coating |
| US4583851A (en) * | 1981-07-13 | 1986-04-22 | Northern Telecom Limited | Method and apparatus for monitoring optical fiber concentricity |
| DE3229263C2 (de) * | 1982-08-05 | 1986-11-06 | Dipl.-Ing. Bruno Richter GmbH & Co. Elektronische Betriebskontroll-Geräte KG, 8602 Stegaurach | Optisch-elektrische Meßeinrichtung zum Messen der Lage und/oder der Abmessung von Gegenständen |
| GB2165668B (en) * | 1984-10-10 | 1988-03-02 | Stc Plc | Coating optical fibres |
| JPH0711409B2 (ja) * | 1985-02-27 | 1995-02-08 | 古河電気工業株式会社 | 長尺体の被覆偏心率測定方法 |
| US4973343A (en) * | 1989-06-02 | 1990-11-27 | At&T Bell Laboratories | Optical fiber coating control apparatus |
| US5141768A (en) * | 1989-08-02 | 1992-08-25 | Asmo Co., Ltd. | Method and apparatus for correcting dynamic balance of rotating body |
| FR2651312B1 (fr) * | 1989-08-25 | 1992-01-17 | France Etat | Procede et dispositif de caracterisation geometrique de tubes transparents. |
| IT1240980B (it) * | 1990-09-10 | 1993-12-27 | Sip | Apparecchiatura per la misura e il controllo dell'eccentricita' dello strato di rivestimento colorato di fibre ottiche. |
| US5323225A (en) * | 1992-08-26 | 1994-06-21 | Andrew Corporation | Method of determining azimuthal position of transverse axes of optical fibers with elliptical cores |
| FR2743142B1 (fr) * | 1995-12-28 | 1998-01-23 | Alcatel Fibres Optiques | Dispositif de controle du revetement d'un produit filaire en mouvement a encombrement reduit |
| ATE225077T1 (de) | 1996-06-21 | 2002-10-15 | Pirelli Cavi E Sistemi Spa | Gegen wasserbäumchen widerstandsfähige isolierungszusammensetzung |
| US6034774A (en) * | 1998-06-26 | 2000-03-07 | Eastman Kodak Company | Method for determining the retardation of a material using non-coherent light interferometery |
| GB2345539A (en) * | 1999-01-06 | 2000-07-12 | Samfit Uk Ltd | Detecting a non-uniform coating on a core member |
| US6613427B1 (en) * | 2001-10-04 | 2003-09-02 | The United States Of America As Represented By The United States Department Of Energy | Method for applying high emissivity coating |
| US10101481B2 (en) * | 2014-10-03 | 2018-10-16 | Pgs Geophysical As | Floodable optical apparatus, methods and systems |
| DE102017114879A1 (de) * | 2017-07-04 | 2019-01-10 | INOEX GmbH Innovationen und Ausrüstungen für die Extrusionstechnik | Terahertz-Messvorrichtung und ein Terahertz-Messverfahren zum Vermessen von Prüfobjekten |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3879128A (en) * | 1973-08-15 | 1975-04-22 | Bell Telephone Labor Inc | Method and apparatus for measuring the refractive index and diameter of optical fibers |
-
1976
- 1976-05-12 US US05/685,527 patent/US4042723A/en not_active Expired - Lifetime
-
1977
- 1977-05-04 CA CA277,634A patent/CA1059595A/en not_active Expired
- 1977-05-09 BE BE177387A patent/BE854402A/xx not_active IP Right Cessation
- 1977-05-09 GB GB19316/77A patent/GB1532343A/en not_active Expired
- 1977-05-09 IT IT23352/77A patent/IT1084676B/it active
- 1977-05-10 DE DE2720951A patent/DE2720951C3/de not_active Expired
- 1977-05-11 FR FR7714427A patent/FR2351384A1/fr active Granted
- 1977-05-11 NL NL7705213A patent/NL7705213A/xx not_active Application Discontinuation
- 1977-05-12 JP JP5381877A patent/JPS52138962A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| CA1059595A (en) | 1979-07-31 |
| JPS5540808B2 (it) | 1980-10-20 |
| DE2720951B2 (de) | 1980-06-26 |
| FR2351384B1 (it) | 1982-08-13 |
| US4042723A (en) | 1977-08-16 |
| DE2720951A1 (de) | 1977-12-01 |
| DE2720951C3 (de) | 1981-06-04 |
| NL7705213A (nl) | 1977-11-15 |
| BE854402A (fr) | 1977-09-01 |
| JPS52138962A (en) | 1977-11-19 |
| FR2351384A1 (fr) | 1977-12-09 |
| GB1532343A (en) | 1978-11-15 |
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