Invention Application
- Patent Title: Plasma Torch for Overcladding an Optical Fiber Preform
- Patent Title (中): 用于包覆光纤预制件的等离子火炬
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Application No.: US11769092Application Date: 2007-06-27
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Publication No.: US20070295033A1Publication Date: 2007-12-27
- Inventor: Cedric Gonnet , Laurent Calvo , Emmanuel Petitfrere
- Applicant: Cedric Gonnet , Laurent Calvo , Emmanuel Petitfrere
- Applicant Address: NL Amsterdam 1083 HJ
- Assignee: DRAKA COMTEQ B.V.
- Current Assignee: DRAKA COMTEQ B.V.
- Current Assignee Address: NL Amsterdam 1083 HJ
- Priority: FR06/05760 20060627
- Main IPC: C03C25/00
- IPC: C03C25/00 ; B23K9/00
Abstract:
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.
Public/Granted literature
- US07854145B2 Plasma torch for overcladding an optical fiber preform Public/Granted day:2010-12-21
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