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Process Analysis in the Preparation of Fluorozirconate Glasses

Published online by Cambridge University Press:  21 February 2011

M. Braglia ,
G. Cocito ,
M. Ferraris ,
G. Grego ,
G. Parisi  and
R. Chiappetta
M. Braglia
Affiliation:
CSELT - Via G. Reiss Romoli, 274 - 10148 TORINO (Italy)
G. Cocito
Affiliation:
CSELT - Via G. Reiss Romoli, 274 - 10148 TORINO (Italy)
M. Ferraris
Affiliation:
CSELT - Via G. Reiss Romoli, 274 - 10148 TORINO (Italy)
G. Grego
Affiliation:
CSELT - Via G. Reiss Romoli, 274 - 10148 TORINO (Italy)
G. Parisi
Affiliation:
CSELT - Via G. Reiss Romoli, 274 - 10148 TORINO (Italy)
R. Chiappetta
Affiliation:
CSELT - Via G. Reiss Romoli, 274 - 10148 TORINO (Italy)
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Abstract

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 NF30 as fluorinating agent. The presence of NF3 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.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 172: Symposium P – Optical Fiber Materials and Processing , 1989 , 143
Copyright
Copyright © Materials Research Society 1990

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References

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