METHOD FOR MANUFACTURING A PREFORM FOR A MULTI-CORE OPITCAL FIBER AND METHOD FOR MANUFACTURING MULTI-CORE OPTICAL FIBERS
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United States of America Patent
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Issued Date -
Dec 22, 2022
app pub date -
Jun 7, 2022
filing date -
Jun 7, 2022
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Abstract
A method for manufacturing a preform for a multicore fiber, including stacking (S1) a plurality of core rods and a plurality of silica-based filler rods in a tube; collapsing (S2) the tube around the stack of core rods and silica-based filler rods, forming a collapsed stack; depositing (S3) a layer of silica around the collapsed stack; removing (S4) at least part of the deposited layer of silica. The preferential process for depositing a layer of silica around the collapsed stack and removing at least part of the deposited layer of silica is Advanced Plasma and Vapor Deposition.
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