Core insertion method for making optical fiber preforms and opti

Glass manufacturing – Processes of manufacturing fibers – filaments – or preforms – Process of manufacturing optical fibers – waveguides – or...

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65404, 65412, 65389, C03B 37012

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active

055607594

ABSTRACT:
A method and apparatus are provided for forming a glass preform which can be directly drawn into a single or multi-mode optical fiber. Single or multi-mode fibers drawn from the preforms described herein have high quality core-clad interfaces since the core and cladding materials are not exposed to crystallization temperatures upon the addition of the core material to cladding material.

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Mitachi et al., Fluoride-Glass-Cladded Optical Fibres For Mid-Infra-Red Ray Transmission, Electronics Letters, vol. 17, No. 17, pp. 591-592.
Aggarwal et al., Fluoride Glass Fiber Optics, Academic Press, Inc., pp. 213-233 (1991).
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Tran et al., Fuoride Glass Preforms Prepared by a Rotational Casting Process, Electronics Letters, vol. 18, pp. 657-658 (1982).

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