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Giacomo Roba

CSELT

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Publication

Featured researches published by Giacomo Roba.

1985 International Technical Symposium/Europe | 1986

GeO 2 Doped High N.A. Multimode Fibre Made By Pressurized MCVD

G. Ghigo; Eros Modone; G. Parisi; Giacomo Roba

High numerical aperture multimode fibres for local area applications are presented. Using the MCVD technique with inner pressure control it is possible to dope the core only with Ge02 without cracks along the preform. A maximum value of 27% molar concentration of GeO2 has been achieved. Fibres have been made with nm N.A. greater than 0.3 and with a loss below 4 dB/km at λ= 850 nm and below 1 dB/km at 1300 nm.

Archive | 1982

Process and apparatus for on-line dehydrogenation of fiber-drawing preforms

Eros Modone; Giacomo Roba

Archive | 1981

Process for improving the transmission characteristics of optical fibers drawn from preforms made by the MCVD technique

Eros Modone; Giacomo Roba

Archive | 1987

Method of producing silica optical fibres with reduced volume and surface defects

Giacomo Roba

Archive | 1987

Apparatus for reducing volume and surface defects in silica optical-fibres

Giacomo Roba

Archive | 1980

Process and apparatus for producing preforms for optical fibers

Giacomo Roba; Paolo Vergnano

Archive | 1989

Process and apparatus for making optical-fiber preforms

Giacomo Roba

Archive | 1986

Method of surfacing the heater of a furnace for optical fibre drawing

Giacomo Roba

Archive | 1980

Method of and apparatus for producing optical fibre preforms

Giacomo Roba; Paolo Vergnano

Archive | 1989

Apparatus for the continuous production of optical fibres

Giacomo Roba

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Eros Modone

CSELT

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Giuseppe Parisi

CSELT

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G. Parisi

CSELT

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Paolo Vergnano

CSELT

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E. Modone

CSELT

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G. Ghigo

CSELT

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