IT1250546B - Apparecchiatura per la misura dell'indice di rifrazione efficace di fibre ottiche. - Google Patents

Apparecchiatura per la misura dell'indice di rifrazione efficace di fibre ottiche.

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Publication number
IT1250546B
IT1250546B ITTO911016A ITTO911016A IT1250546B IT 1250546 B IT1250546 B IT 1250546B IT TO911016 A ITTO911016 A IT TO911016A IT TO911016 A ITTO911016 A IT TO911016A IT 1250546 B IT1250546 B IT 1250546B
Authority
IT
Italy
Prior art keywords
refraction
measuring
effective index
optical fibres
fibre
Prior art date
Application number
ITTO911016A
Other languages
English (en)
Inventor
Bernardi Carlo De
Salvatore Morasca
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 ITTO911016A priority Critical patent/IT1250546B/it
Publication of ITTO911016A0 publication Critical patent/ITTO911016A0/it
Priority to US07/989,332 priority patent/US5357333A/en
Priority to EP92121833A priority patent/EP0548935B1/en
Priority to DE69205814T priority patent/DE69205814T2/de
Priority to JP4356548A priority patent/JPH0726890B2/ja
Priority to CA002086046A priority patent/CA2086046C/en
Priority to DE92121833T priority patent/DE548935T1/de
Publication of ITTO911016A1 publication Critical patent/ITTO911016A1/it
Application granted granted Critical
Publication of IT1250546B publication Critical patent/IT1250546B/it

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Abstract

Apparecchiatura per la misura dell'indice di rifrazione efficace di fibre ottiche, in cui una sorgente (1) invia in uno spezzone (2) di fibra radiazioni luminose, la cui lunghezza d'onda può essere fatta variare entro un intervallo prestabilito, e un rivelatore (5) raccoglie la radiazione uscente dallo spezzone (2) ed è collegato a mezzi (5-6-7) per misurare l'intensità della radiazione raccolta dal rivelatore al variare della lunghezza d'onda, per determinare il periodo di oscillazione della trasmissività o riflettività della fibra e ricavare da tale periodo il valore dell'indice di rifrazione efficace.
ITTO911016A 1991-12-23 1991-12-23 Apparecchiatura per la misura dell'indice di rifrazione efficace di fibre ottiche. IT1250546B (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
ITTO911016A IT1250546B (it) 1991-12-23 1991-12-23 Apparecchiatura per la misura dell'indice di rifrazione efficace di fibre ottiche.
US07/989,332 US5357333A (en) 1991-12-23 1992-12-11 Apparatus for measuring the effective refractive index in optical fibers
EP92121833A EP0548935B1 (en) 1991-12-23 1992-12-22 Apparatus for measuring the effective refractive index in optical fibres
DE69205814T DE69205814T2 (de) 1991-12-23 1992-12-22 Vorrichtung zur Bestimmung des effektiven Brechungsindexes von optischen Fasern.
JP4356548A JPH0726890B2 (ja) 1991-12-23 1992-12-22 光ファイバーの有効屈折率測定装置
CA002086046A CA2086046C (en) 1991-12-23 1992-12-22 Apparatus for measuring the effective refractive index in optical fibres
DE92121833T DE548935T1 (de) 1991-12-23 1992-12-22 Vorrichtung zur Bestimmung des effektiven Brechungsindexes von optischen Fasern.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITTO911016A IT1250546B (it) 1991-12-23 1991-12-23 Apparecchiatura per la misura dell'indice di rifrazione efficace di fibre ottiche.

Publications (3)

Publication Number Publication Date
ITTO911016A0 ITTO911016A0 (it) 1991-12-23
ITTO911016A1 ITTO911016A1 (it) 1993-06-23
IT1250546B true IT1250546B (it) 1995-04-20

Family

ID=11409819

Family Applications (1)

Application Number Title Priority Date Filing Date
ITTO911016A IT1250546B (it) 1991-12-23 1991-12-23 Apparecchiatura per la misura dell'indice di rifrazione efficace di fibre ottiche.

Country Status (1)

Country Link
IT (1) IT1250546B (it)

Also Published As

Publication number Publication date
ITTO911016A1 (it) 1993-06-23
ITTO911016A0 (it) 1991-12-23

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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: 19971124