IT1155285B - Procedimento e apparecchiatura per la determinazione del profilo d'indice di rifrazione di fibre ottiche e preforme per fibre ottiche - Google Patents

Procedimento e apparecchiatura per la determinazione del profilo d'indice di rifrazione di fibre ottiche e preforme per fibre ottiche

Info

Publication number
IT1155285B
IT1155285B IT67150/82A IT6715082A IT1155285B IT 1155285 B IT1155285 B IT 1155285B IT 67150/82 A IT67150/82 A IT 67150/82A IT 6715082 A IT6715082 A IT 6715082A IT 1155285 B IT1155285 B IT 1155285B
Authority
IT
Italy
Prior art keywords
optical fibers
preforms
determination
procedure
equipment
Prior art date
Application number
IT67150/82A
Other languages
English (en)
Other versions
IT8267150A0 (it
Inventor
Giorgio Grego
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 IT67150/82A priority Critical patent/IT1155285B/it
Publication of IT8267150A0 publication Critical patent/IT8267150A0/it
Priority to CA000419975A priority patent/CA1183365A/en
Priority to JP58010656A priority patent/JPS58140338A/ja
Priority to DE198383101165T priority patent/DE85981T1/de
Priority to DE8383101165T priority patent/DE3365511D1/de
Priority to EP83101165A priority patent/EP0085981B1/en
Priority to US06/465,014 priority patent/US4565449A/en
Application granted granted Critical
Publication of IT1155285B publication Critical patent/IT1155285B/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
    • G01N21/45—Refractivity; Phase-affecting properties, e.g. optical path length using interferometric methods; using Schlieren methods
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
    • G01J9/04—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by beating two waves of a same source but of different frequency and measuring the phase shift of the lower frequency obtained
    • 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
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3581—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using far infrared light; using Terahertz radiation

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)
  • Manufacture, Treatment Of Glass Fibers (AREA)
  • Light Guides In General And Applications Therefor (AREA)
IT67150/82A 1982-02-10 1982-02-10 Procedimento e apparecchiatura per la determinazione del profilo d'indice di rifrazione di fibre ottiche e preforme per fibre ottiche IT1155285B (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT67150/82A IT1155285B (it) 1982-02-10 1982-02-10 Procedimento e apparecchiatura per la determinazione del profilo d'indice di rifrazione di fibre ottiche e preforme per fibre ottiche
CA000419975A CA1183365A (en) 1982-02-10 1983-01-21 Method of and apparatus for determining the refractive index profile of optical fibres and optical fibre preforms
JP58010656A JPS58140338A (ja) 1982-02-10 1983-01-27 光フアイバおよび母材の屈折率プロフイルを決定する方法および装置
DE198383101165T DE85981T1 (de) 1982-02-10 1983-02-08 Verfahren und einrichtung zur bestimmung des bewegungsindexprofils von optischen fasern und faservorformen.
DE8383101165T DE3365511D1 (en) 1982-02-10 1983-02-08 Method of and apparatus for determining the refractive-index profile of optical fibres and optical-fibre preforms
EP83101165A EP0085981B1 (en) 1982-02-10 1983-02-08 Method of and apparatus for determining the refractive-index profile of optical fibres and optical-fibre preforms
US06/465,014 US4565449A (en) 1982-02-10 1983-02-08 Method of and apparatus for determining refractive-index profiles of cylindrical transparent bodies

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67150/82A IT1155285B (it) 1982-02-10 1982-02-10 Procedimento e apparecchiatura per la determinazione del profilo d'indice di rifrazione di fibre ottiche e preforme per fibre ottiche

Publications (2)

Publication Number Publication Date
IT8267150A0 IT8267150A0 (it) 1982-02-10
IT1155285B true IT1155285B (it) 1987-01-28

Family

ID=11300000

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67150/82A IT1155285B (it) 1982-02-10 1982-02-10 Procedimento e apparecchiatura per la determinazione del profilo d'indice di rifrazione di fibre ottiche e preforme per fibre ottiche

Country Status (6)

Country Link
US (1) US4565449A (it)
EP (1) EP0085981B1 (it)
JP (1) JPS58140338A (it)
CA (1) CA1183365A (it)
DE (2) DE85981T1 (it)
IT (1) IT1155285B (it)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1179066B (it) * 1984-08-22 1987-09-16 Cselt Centro Studi Lab Telecom Procedimento e dispositivo per la determinazione in tempo reale dello stato di polarizzazione di un fascio luminoso quasi monocromatico
JP2517551B2 (ja) * 1986-05-09 1996-07-24 キヤノン株式会社 位相分布測定装置
DE3627876A1 (de) * 1986-08-16 1988-02-25 Felten & Guilleaume Energie Verfahren und einrichtung zum messen der gaskonzentration in einem gasgemisch
JPS6352034A (ja) * 1986-08-21 1988-03-05 Nippon Telegr & Teleph Corp <Ntt> 単一モ−ド光フアイバの測定方法および装置
US4779978A (en) * 1986-09-08 1988-10-25 Sumitomo Electric Research Triangle, Inc. Method of measuring the refractive index profile of optical fibers
US4764680A (en) * 1987-04-14 1988-08-16 United Technologies Corporation Method of and arrangement for testing cylindrical objects for shape deviations
US4906095A (en) * 1988-01-25 1990-03-06 The United States Of America As Represented By The United States Department Of Energy Apparatus and method for performing two-frequency interferometry
US5151752A (en) * 1988-06-16 1992-09-29 Asahi Kogaku Kogyo K.K. Method of measuring refractive indices of lens and sample liquid
JP2644609B2 (ja) * 1990-05-28 1997-08-25 科学技術振興事業団 ヘテロダイン検波受光系を用いた振幅像及び位相像の同時検出装置
US5133602A (en) * 1991-04-08 1992-07-28 International Business Machines Corporation Particle path determination system
US5396323A (en) * 1994-02-07 1995-03-07 Corning Incorporated Method and apparatus for analyzing optical waveguide cane
US6260386B1 (en) * 1994-03-10 2001-07-17 Lucent Technologies Inc. Optical fiber preform cleaning method
DE19501158C1 (de) * 1995-01-06 1996-04-11 Oeg Ges Fuer Optik Elektronik Vorrichtung zur Homogenitätsprüfung von optischen Gläsern und Kristallen
IT1280841B1 (it) * 1995-04-05 1998-02-11 Cselt Centro Studi Lab Telecom Procedimento e apparecchiatura per la misura dell'indice di rifrazione di lastrine di materiale vetroso
EP0772038B1 (en) * 1995-10-31 2004-09-08 Kyoto Daiichi Kagaku Co., Ltd. Method and apparatus for optical measuring by polarization analysis
WO2003005002A1 (fr) * 2001-07-02 2003-01-16 Advantest Corporation Appareil et procede de mesure des propagations
JP4115313B2 (ja) * 2003-03-27 2008-07-09 ダイセル化学工業株式会社 マイクロカプセルの壁膜の厚み算出装置
SE0302676D0 (sv) 2003-10-09 2003-10-09 Neural Ab Method and apparatus for holographic refractometry
JP5008650B2 (ja) * 2008-12-25 2012-08-22 キヤノン株式会社 屈折率分布計測方法及び屈折率分布計測装置
JP5328437B2 (ja) * 2009-03-25 2013-10-30 キヤノン株式会社 透過波面測定方法、屈折率分布測定方法、光学素子の製造方法、及び透過波面測定装置
JP4968965B2 (ja) * 2009-11-18 2012-07-04 キヤノン株式会社 屈折率分布の計測方法および計測装置
JP4968966B2 (ja) * 2009-12-07 2012-07-04 キヤノン株式会社 屈折率分布の計測方法および計測装置
JP5021054B2 (ja) * 2010-05-25 2012-09-05 キヤノン株式会社 屈折率分布計測方法および屈折率分布計測装置
JP4895409B2 (ja) * 2010-05-25 2012-03-14 キヤノン株式会社 屈折率分布計測方法および屈折率分布計測装置
JP5008763B2 (ja) 2010-12-03 2012-08-22 キヤノン株式会社 屈折率分布計測方法、屈折率分布計測装置および光学素子の製造方法
JP6207383B2 (ja) * 2013-12-25 2017-10-04 キヤノン株式会社 屈折率分布計測方法、屈折率分布計測装置、及び光学素子の製造方法
CN104807615A (zh) * 2015-04-23 2015-07-29 上海大学 基于数字全息的光纤折射率三维分布测量装置和方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3463924A (en) * 1966-12-16 1969-08-26 Lockheed Aircraft Corp Opposite circularly-polarized optical heterodyne detection system
US3881823A (en) * 1967-06-02 1975-05-06 Philips Corp Apparatus for measuring the variation of an optical path length with the aid of an interferometer

Also Published As

Publication number Publication date
DE85981T1 (de) 1983-12-08
JPH0233088B2 (it) 1990-07-25
US4565449A (en) 1986-01-21
JPS58140338A (ja) 1983-08-20
CA1183365A (en) 1985-03-05
IT8267150A0 (it) 1982-02-10
EP0085981A1 (en) 1983-08-17
EP0085981B1 (en) 1986-08-27
DE3365511D1 (en) 1986-10-02

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