Low loss infrared transmitting hollow core optical fiber method of manufacture
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United States of America Patent
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Jun 22, 1993
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N/A
app pub date -
Oct 9, 1990
filing date -
Sep 21, 1988
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Abstract
A method of producing a hollow core optical fiber comprises the steps of depositing a thermal buffer layer on the interior wall of a silica tube, depositing a film of germanium silicate cladding on said buffer layer, heating the composite structure so formed to its drawing temperature, and drawing the heated composite structure to form a hollow core optical fiber.
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