IT1119342B - Dispositivo per determinare il profilo di indice di rifrazione di fibre ottiche - Google Patents

Dispositivo per determinare il profilo di indice di rifrazione di fibre ottiche

Info

Publication number
IT1119342B
IT1119342B IT68600/79A IT6860079A IT1119342B IT 1119342 B IT1119342 B IT 1119342B IT 68600/79 A IT68600/79 A IT 68600/79A IT 6860079 A IT6860079 A IT 6860079A IT 1119342 B IT1119342 B IT 1119342B
Authority
IT
Italy
Prior art keywords
optical fibers
reference index
index profile
profile
fibers
Prior art date
Application number
IT68600/79A
Other languages
English (en)
Other versions
IT7968600A0 (it
Inventor
Bruno Costa
Original Assignee
Cselt Centro Studi Lab Telecom
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Cselt Centro Studi Lab Telecom filed Critical Cselt Centro Studi Lab Telecom
Priority to IT68600/79A priority Critical patent/IT1119342B/it
Publication of IT7968600A0 publication Critical patent/IT7968600A0/it
Priority to JP9763280A priority patent/JPS5624543A/ja
Priority to EP80104546A priority patent/EP0024574B1/en
Priority to DE8080104546T priority patent/DE3064408D1/de
Priority to CA000357554A priority patent/CA1141190A/en
Priority to US06/174,694 priority patent/US4361402A/en
Application granted granted Critical
Publication of IT1119342B publication Critical patent/IT1119342B/it

Links

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)
IT68600/79A 1979-08-02 1979-08-02 Dispositivo per determinare il profilo di indice di rifrazione di fibre ottiche IT1119342B (it)

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
EP80104546A EP0024574B1 (en) 1979-08-02 1980-08-01 Apparatus for determining the refractive index profile of optical fibres
DE8080104546T DE3064408D1 (en) 1979-08-02 1980-08-01 Apparatus for determining the refractive index profile of optical fibres
CA000357554A CA1141190A (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

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 IT7968600A0 (it) 1979-08-02
IT1119342B true 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)

* Cited by examiner, † Cited by third party
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
US6348979B1 (en) * 1993-02-25 2002-02-19 Mdc Max Daetwyler Ag Engraving system and method comprising improved imaging
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
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
US4361402A (en) 1982-11-30
DE3064408D1 (en) 1983-09-01
JPS5624543A (en) 1981-03-09
IT7968600A0 (it) 1979-08-02
EP0024574A1 (en) 1981-03-11
EP0024574B1 (en) 1983-07-27
CA1141190A (en) 1983-02-15

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