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Chemical etching of AlF3-based glasses

Chemical etching of AlF3-based glasses
Chemical etching of AlF3-based glasses
In this work, two multi component etches have been identified for the purpose of etching aluminium fluoride based [AlF3-M(II)F2-xPO3, M=Mg, Ca, Ba, Sr] fibre samples to improve their mechanical strength. Optimum working compositions are (i) 0.4M AlCl3·6H2O/1M HCl and (ii) (by volume) 50% HF (48%)/30% HNO3 (68%)/20% H2O with 3M H3BO3 dissolved. Both yield fibres of improved strength and quality, although the former etch performs better. Furthermore, an etch procedure has been developed for the aluminium chloride mixture which enables increased strength fibre to be pulled in a controlled and reproducible manner.
0022-3093
200-206
West, Y.D.
de4775d7-a064-4804-9dca-4076f5005c99
Taylor, E.R.
d9a73a87-6abd-4a1e-a462-84549c667d19
Moore, R.C.
a7d68363-4127-4f7b-9da4-ef66d19ab327
Payne, D.N.
4f592b24-707f-456e-b2c6-8a6f750e296d
West, Y.D.
de4775d7-a064-4804-9dca-4076f5005c99
Taylor, E.R.
d9a73a87-6abd-4a1e-a462-84549c667d19
Moore, R.C.
a7d68363-4127-4f7b-9da4-ef66d19ab327
Payne, D.N.
4f592b24-707f-456e-b2c6-8a6f750e296d

West, Y.D., Taylor, E.R., Moore, R.C. and Payne, D.N. (1999) Chemical etching of AlF3-based glasses. Journal of Non-Crystalline Solids, 256-257, 200-206. (doi:10.1016/S0022-3093(99)00395-6).

Record type: Article

Abstract

In this work, two multi component etches have been identified for the purpose of etching aluminium fluoride based [AlF3-M(II)F2-xPO3, M=Mg, Ca, Ba, Sr] fibre samples to improve their mechanical strength. Optimum working compositions are (i) 0.4M AlCl3·6H2O/1M HCl and (ii) (by volume) 50% HF (48%)/30% HNO3 (68%)/20% H2O with 3M H3BO3 dissolved. Both yield fibres of improved strength and quality, although the former etch performs better. Furthermore, an etch procedure has been developed for the aluminium chloride mixture which enables increased strength fibre to be pulled in a controlled and reproducible manner.

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Published date: 1999

Identifiers

Local EPrints ID: 77857
URI: http://eprints.soton.ac.uk/id/eprint/77857
ISSN: 0022-3093
PURE UUID: fbe80484-5372-4d82-b4f6-c03e11a4040a

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Date deposited: 11 Mar 2010
Last modified: 03 Mar 2020 17:46

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Contributors

Author: Y.D. West
Author: E.R. Taylor
Author: R.C. Moore
Author: D.N. Payne

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