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Featured researches published by G. Grego.


MRS Proceedings | 1989

Process analysis in the preparation of fluorozirconate glasses

M. Braglia; Giuseppe Cocito; Monica Ferraris; G. Grego; G. Parisi; R. Chiappetta

Different preparation processes for fluorozirconate glasses (ZBLAN) have been investigated by infrared spectroscopy (IR) and x-ray diffraction (XRD). Glasses have been prepared with different NH4 F.HF amount (20–10–5–0% weight) or with NF 3 0 as fluorinating agent. The presence of NF 3 in the fluorination step of the preparation is useful to improve the glass quality in terms of oxide and hydroxil content: electron spin resonance (ESR) on these glasses (γ-irradiated, 20 Mrad) does not detect any signal.


NATO ASI SERIES. SERIES C:MATHEMATICAL AND PHYSICAL SCIENCES | 1987

PL measurements on fluorozirconate glasses

M. Braglia; Giuseppe Cocito; Livio Cognolato; Monica Ferraris; G. Grego; Eros Modone; G. Parisi

Several fluoro-zirconate glasses, ZBLA type, have been prepared in CSELT. Fluorides, as raw materials and the technique of melting in Pt crucible were initially adopted.


Materials Science Forum | 1988

Fluorozirconate Glasses: Study on Different Fluorination Processes with Ammonium Bifluoride

M. Braglia; Monica Ferraris; G. Grego; G. Parisi; F. Taiariol


Materials Science Forum | 1991

Fluorination Role on Oxide Impurities in Fluorozirconate Glasses

M. Braglia; Monica Ferraris; G. Grego; G. Parisi; L. Salasco; F. Taiarol


Archive | 1990

Method of purifying starting materials for fluoride glasses fabrication

Monica Ferraris; Giuseppe Cocito; G. Grego


Materials Science Forum | 1987

Fluorozirconate glass photoluminescence

M. Braglia; Monica Ferraris; G. Grego; G. Parisi


Primo Convegno Nazionale sulle Tecniche Fotoniche per l’ Informazione | 1989

Materiali e fibre ottiche per la trasmissione nel medio infrarosso

Giuseppe Cocito; M. Braglia; Monica Ferraris; G. Grego; G. Parisi


Archive | 1988

Realizzazione di fibre ottiche per il medio infrarosso

O. Abollino; M. Braglia; Giuseppe Cocito; G. Grego; Monica Ferraris; G. Parisi


ALTA FREQUENZA | 1988

Manufacturing processes for fluorozirconate glass preforms and optical fibres

O. Abollino; M. Braglia; Giuseppe Cocito; Monica Ferraris; G. Grego; G. Parisi


Afcea Europe - Rome Symposium, | 1987

New materials for optical fibres for telecommunications: results of CSELT research on fluoride glasses

M. Braglia; Giuseppe Cocito; Monica Ferraris; G. Grego; G. Parisi

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Monica Ferraris

Polytechnic University of Turin

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