公开(公告)号：US20240254034A1

公开(公告)日：2024-08-01

申请号：US18417324

申请日：2024-01-19

Applicant: CORNING INCORPORATED

Inventor： Leon Devone, JR. ,  Matthew Ryan Drake ,  Rostislav Radiyevich Khrapko ,  Pushkar Tandon ,  Matthew Artus Tuggle

IPC: C03C13/04 ,  C03B37/027 ,  C03C3/06

CPC classification number: C03C13/046 ,  C03B37/02718 ,  C03C3/06 ,  C03C2201/11 ,  C03C2201/50

Abstract: A method of making a multicore optical fiber preform, the method including consolidating a preform assembly to form the multicore optical fiber preform, the preform assembly including a plurality of core canes such that each core cane is disposed within an axial hole of a sleeve, each core cane including a core section of alkali doped silica glass such that the silica glass has a maximum alkali concentration between about 0.10 wt. % and about 10 wt. %, the core section of each core cane being encased by the sleeve along a height of the core cane and by covers disposed at first and second axial ends of the core section, and the covers including silica glass having a chlorine concentration of about 0.05 wt. % or less.