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US07854145B2 Plasma torch for overcladding an optical fiber preform 有权
用于包覆光纤预制棒的等离子火炬

Plasma torch for overcladding an optical fiber preform
摘要:
Disclosed is a plasma torch for overcladding a primary preform of an optical fiber. The plasma torch includes a confinement tube for confining an induced plasma and a torch base. The torch base has a ceramic surface internal to the confinement tube. The plasma torch has extended life even at high input powers.
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