公开(公告)号：US20040109942A1

公开(公告)日：2004-06-10

申请号：US10720670

申请日：2003-11-25

Applicant: ALCATEL

Inventor： Jacques Jolly ,  Isabelle Decaux ,  Marie-Pierre Glemot ,  Nathalie Offre ,  Jean-Florent Campion

IPC: B05D005/06 ,  C23C016/00

CPC classification number: C03B37/01807 ,  C03B2201/28 ,  C03B2203/23 ,  C03B2203/36 ,  Y02P40/57

Abstract: In an FCVD process for producing preforms for dispersion shifted optical fiber or dispersion compensating optical fiber having a core comprising a central portion, an inner cladding, a ring, and an outer cladding by depositing layers, the layers of the preform corresponding to the inner cladding and to the ring of the optical fiber have a phosphorus content not greater than 0.1 wt %.

Abstract translation: 在用于制造用于色散位移光纤或色散补偿光纤的预制棒的FCVD工艺中，其具有通过沉积层而包括中心部分，内包层，环和外包层的芯，预成型体的层对应于内包层 并且光纤的环的磷含量不大于0.1重量％。