IT7968600A0 - Dispositivo per determinare il profilo di indice di rifrazione difibre ottiche - Google Patents
Dispositivo per determinare il profilo di indice di rifrazione difibre otticheInfo
- Publication number
- IT7968600A0 IT7968600A0 IT7968600A IT6860079A IT7968600A0 IT 7968600 A0 IT7968600 A0 IT 7968600A0 IT 7968600 A IT7968600 A IT 7968600A IT 6860079 A IT6860079 A IT 6860079A IT 7968600 A0 IT7968600 A0 IT 7968600A0
- Authority
- IT
- Italy
- Prior art keywords
- determining
- refractive index
- index profile
- optic fibers
- optic
- Prior art date
Links
- 239000000835 fiber Substances 0.000 title 1
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT68600/79A IT1119342B (it) | 1979-08-02 | 1979-08-02 | Dispositivo per determinare il profilo di indice di rifrazione di fibre ottiche |
JP9763280A JPS5624543A (en) | 1979-08-02 | 1980-07-18 | Device for deciding form of refractive index of optical fiber |
CA000357554A CA1141190A (en) | 1979-08-02 | 1980-08-01 | Apparatus for determining the refractive index profile of optical fibres |
EP80104546A EP0024574B1 (en) | 1979-08-02 | 1980-08-01 | Apparatus for determining the refractive index profile of optical fibres |
US06/174,694 US4361402A (en) | 1979-08-02 | 1980-08-01 | Apparatus for determining the refractive-index profile of optical fibers |
DE8080104546T DE3064408D1 (en) | 1979-08-02 | 1980-08-01 | Apparatus for determining the refractive index profile of optical fibres |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT68600/79A IT1119342B (it) | 1979-08-02 | 1979-08-02 | Dispositivo per determinare il profilo di indice di rifrazione di fibre ottiche |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7968600A0 true IT7968600A0 (it) | 1979-08-02 |
IT1119342B IT1119342B (it) | 1986-03-10 |
Family
ID=11309990
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT68600/79A IT1119342B (it) | 1979-08-02 | 1979-08-02 | Dispositivo per determinare il profilo di indice di rifrazione di fibre ottiche |
Country Status (6)
Country | Link |
---|---|
US (1) | US4361402A (it) |
EP (1) | EP0024574B1 (it) |
JP (1) | JPS5624543A (it) |
CA (1) | CA1141190A (it) |
DE (1) | DE3064408D1 (it) |
IT (1) | IT1119342B (it) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4519704A (en) * | 1982-03-18 | 1985-05-28 | National Research Development Corporation | Measurement of optical refractive index profiles |
US4779978A (en) * | 1986-09-08 | 1988-10-25 | Sumitomo Electric Research Triangle, Inc. | Method of measuring the refractive index profile of optical fibers |
US4770529A (en) * | 1986-09-08 | 1988-09-13 | Raychem Corp. | Alignment of optical waveguides |
US5151752A (en) * | 1988-06-16 | 1992-09-29 | Asahi Kogaku Kogyo K.K. | Method of measuring refractive indices of lens and sample liquid |
US5235587A (en) * | 1989-09-29 | 1993-08-10 | The Regents Of The University Of California | Optical data storage apparatus and method |
US5056915A (en) * | 1990-05-25 | 1991-10-15 | The United States Of America As Represented By The Secretary Of The Air Force | Fiber optic calibration standard apparatus |
US5325170A (en) * | 1990-05-31 | 1994-06-28 | Thermo Instrument Systems Inc. | Laser-based refractive index detector using backscatter |
US5737090A (en) | 1993-02-25 | 1998-04-07 | Ohio Electronic Engravers, Inc. | System and method for focusing, imaging and measuring areas on a workpiece engraved by an engraver |
US6348979B1 (en) * | 1993-02-25 | 2002-02-19 | Mdc Max Daetwyler Ag | Engraving system and method comprising improved imaging |
FR2832505B1 (fr) * | 2001-11-16 | 2008-07-04 | Inst Francais Du Petrole | Refractometre a fibre optique |
DE102009037554A1 (de) * | 2008-10-24 | 2010-04-29 | Carl Zeiss Smt Ag | Verfahren zum ortsaufgelösten Vermessen der Doppelbrechung und Messvorrichtung |
US8405836B2 (en) * | 2010-03-19 | 2013-03-26 | Interfiber Analysis, LLC | System and method for measuring an optical fiber |
US8867028B2 (en) | 2012-10-19 | 2014-10-21 | Interfiber Analysis, LLC | System and/or method for measuring waveguide modes |
US9459205B1 (en) * | 2015-04-27 | 2016-10-04 | Empire Technology Development Llc | Refractive index measurement of liquids over a broad spectral range |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2318705A (en) * | 1941-01-09 | 1943-05-11 | Gen Motors Corp | Metallographic filtering system |
JPS533283A (en) * | 1976-06-29 | 1978-01-12 | Nippon Telegr & Teleph Corp <Ntt> | Referactive index distribution form measurement device |
US4110004A (en) * | 1977-01-12 | 1978-08-29 | The United States Of America As Represented By The Secretary Of The Navy | Complex photodichroic spatial filter |
US4212537A (en) * | 1978-10-24 | 1980-07-15 | The United States of America as represented by the Unied States Department of Energy | System for testing optical fibers |
-
1979
- 1979-08-02 IT IT68600/79A patent/IT1119342B/it active
-
1980
- 1980-07-18 JP JP9763280A patent/JPS5624543A/ja active Pending
- 1980-08-01 CA CA000357554A patent/CA1141190A/en not_active Expired
- 1980-08-01 DE DE8080104546T patent/DE3064408D1/de not_active Expired
- 1980-08-01 US US06/174,694 patent/US4361402A/en not_active Expired - Lifetime
- 1980-08-01 EP EP80104546A patent/EP0024574B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IT1119342B (it) | 1986-03-10 |
EP0024574A1 (en) | 1981-03-11 |
EP0024574B1 (en) | 1983-07-27 |
US4361402A (en) | 1982-11-30 |
JPS5624543A (en) | 1981-03-09 |
CA1141190A (en) | 1983-02-15 |
DE3064408D1 (en) | 1983-09-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT1082244B (it) | Dispositivo per la giunzione di fibre ottiche | |
JPS5728231A (en) | Optical fiber temperature measuring device | |
SE7904752L (sv) | Fiberoptiskt metdon | |
IT1099478B (it) | Dispositivo meccanico di raccordo di fibre ottiche | |
IT1089290B (it) | Dispositivo di accoppiamento per fibre ottiche | |
IT7968600A0 (it) | Dispositivo per determinare il profilo di indice di rifrazione difibre ottiche | |
IT1149408B (it) | Dispositivo di centraggio per fibre ottiche | |
BE892062A (nl) | Optische vezel | |
EP0259837A3 (en) | Method of measuring the refractive index profile of optical fibers | |
AT380573B (de) | Faseroptischer monomode-wellenleiter | |
FR2536535B1 (fr) | Thermometre a fibre optique | |
JPS5787000A (en) | Optical fiber measuring device | |
JPS5724832A (en) | Optical fiber measuring device | |
FR2494857B1 (fr) | Commutateur pour fibres optiques | |
IT1085892B (it) | Dispositivo di raccordo di fibre ottiche | |
IT1165204B (it) | Vetri leggeri ad elevato indice di rifrazione per occhiali | |
IT1130724B (it) | Passante ermetico per fibre ottiche | |
DE3066520D1 (en) | Method of determining the refractive index profile of an optical fibre | |
PT74845B (en) | Optical apparatus for determining the refractive index profile of an optical fiber | |
IT8468256A0 (it) | Procedimento e apparecchiatura per la misura del profilo d indice di rifrazione di fibre ottiche monomodo | |
IT8267735A0 (it) | Apparecchiatura per la determinazione del profilo d indice di rifrazione di fibre ottiche e preforme per fibre ottiche | |
IT1130698B (it) | Fabbricazione di fibre monomodo | |
IT1088683B (it) | Giunto per fibre ottiche | |
IT8268476A0 (it) | Metodo per la compensazione del profilo di indice di rifrazione di fibre ottiche | |
FR2313675A1 (fr) | Appareil de mesure de l'attenuation de fibres optiques |