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  • Optical Fiber Transmission
  • OSA Technical Digest (Optica Publishing Group, 1975),
  • paper TuC2

Loss Mechanisms in Glass Fibre produced by the Double Crucible Technique

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In this paper we wish to report upon the work carried out in these laboratories in developing the double crucible fibre drawing process to the point at which it is primarily limited by the bulk glass loss, which is now expected to fall well below 10dB/km. All the work we have done has used Platinum Crucibles fabricated by Johnson Matthey Metals Ltd..1 The glass used2 has been mainly supplied in the form of canes tip to about 8mm diameter which are pulled directly from the melting crucible and are subjected to the absolute Minimum of handling and exposure to the laboratory atmosphere.

© 1975 Optical Society of America

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