IT1247764B - Sistema per la misura del profilo dell'indice di rifrazione di componenti ottici - Google Patents

Sistema per la misura del profilo dell'indice di rifrazione di componenti ottici

Info

Publication number
IT1247764B
IT1247764B IT06781490A IT6781490A IT1247764B IT 1247764 B IT1247764 B IT 1247764B IT 06781490 A IT06781490 A IT 06781490A IT 6781490 A IT6781490 A IT 6781490A IT 1247764 B IT1247764 B IT 1247764B
Authority
IT
Italy
Prior art keywords
profile
measuring
refractive index
optical components
optical
Prior art date
Application number
IT06781490A
Other languages
English (en)
Other versions
IT9067814A1 (it
IT9067814A0 (it
Inventor
Giuseppe Cocito
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 IT06781490A priority Critical patent/IT1247764B/it
Publication of IT9067814A0 publication Critical patent/IT9067814A0/it
Priority to US07/778,740 priority patent/US5160973A/en
Priority to CA002053724A priority patent/CA2053724C/en
Priority to EP91117910A priority patent/EP0482545B1/en
Priority to DE199191117910T priority patent/DE482545T1/de
Priority to DE69117426T priority patent/DE69117426T2/de
Publication of IT9067814A1 publication Critical patent/IT9067814A1/it
Application granted granted Critical
Publication of IT1247764B publication Critical patent/IT1247764B/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
    • 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

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)
IT06781490A 1990-10-22 1990-10-22 Sistema per la misura del profilo dell'indice di rifrazione di componenti ottici IT1247764B (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT06781490A IT1247764B (it) 1990-10-22 1990-10-22 Sistema per la misura del profilo dell'indice di rifrazione di componenti ottici
US07/778,740 US5160973A (en) 1990-10-22 1991-10-18 System for measuring the refractive index profile of optical components
CA002053724A CA2053724C (en) 1990-10-22 1991-10-18 System for measuring the refractive index profile of optical components
EP91117910A EP0482545B1 (en) 1990-10-22 1991-10-21 System for measuring the characteristics, such as particularly the refractive index profile of optical components
DE199191117910T DE482545T1 (de) 1990-10-22 1991-10-21 Einrichtungen zur messung der brechungsindexverteilung optischer komponente.
DE69117426T DE69117426T2 (de) 1990-10-22 1991-10-21 Einrichtung zum Messen der Charakteristiken wie insbesondere der Brechungsindexverteilung optischer Komponenten

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT06781490A IT1247764B (it) 1990-10-22 1990-10-22 Sistema per la misura del profilo dell'indice di rifrazione di componenti ottici

Publications (3)

Publication Number Publication Date
IT9067814A0 IT9067814A0 (it) 1990-10-22
IT9067814A1 IT9067814A1 (it) 1992-04-22
IT1247764B true IT1247764B (it) 1994-12-30

Family

ID=11305489

Family Applications (1)

Application Number Title Priority Date Filing Date
IT06781490A IT1247764B (it) 1990-10-22 1990-10-22 Sistema per la misura del profilo dell'indice di rifrazione di componenti ottici

Country Status (5)

Country Link
US (1) US5160973A (it)
EP (1) EP0482545B1 (it)
CA (1) CA2053724C (it)
DE (2) DE69117426T2 (it)
IT (1) IT1247764B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7500732B2 (en) * 2005-09-30 2009-03-10 Lexmark International, Inc. Maintenance and docking station for a hand-held printer
GB201202262D0 (en) * 2012-02-09 2012-03-28 Aes Eng Ltd Mechanical seal faces synthetic diamond coating fixture

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3796495A (en) * 1972-05-30 1974-03-12 Zenith Radio Corp Apparatus and methods for scanning phase profilometry
US4391516A (en) * 1978-09-11 1983-07-05 Western Electric Co., Inc. Method of determining an index of refraction profile of an optical fiber
US4227806A (en) * 1978-10-16 1980-10-14 Western Electric Company, Inc. Methods for non-destructively determining parameters of an optical fiber preform
US4515475A (en) * 1980-03-11 1985-05-07 National Research Development Corporation Measurement of refractive index profile
IT1232119B (it) * 1989-06-27 1992-01-23 Cselt Centro Studi Lab Telecom Sistema ottico per la misura di spostamenti lineari o angolari

Also Published As

Publication number Publication date
EP0482545B1 (en) 1996-02-28
DE69117426D1 (de) 1996-04-04
IT9067814A1 (it) 1992-04-22
IT9067814A0 (it) 1990-10-22
CA2053724C (en) 1999-08-17
DE482545T1 (de) 1993-04-29
EP0482545A2 (en) 1992-04-29
US5160973A (en) 1992-11-03
CA2053724A1 (en) 1992-04-23
EP0482545A3 (en) 1993-01-13
DE69117426T2 (de) 1996-08-22

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970827