" APPARATUS FOR SELECTIVE PHOTOSENSITIZATION OF OPTICAL FIBER”
Application 1377/CHENP/2004 published 2006-02-03, filed 2004-06-18
An apparatus that exposes only a selected portion of a length of optical fiber to a hydrogen atmosphere loading process. The apparatus includes a loading chamber that encloses at least the selected portion of the optical fiber and contains a hydrogen atmosphere. At least one heating element regionally heats the hydrogen atmosphere surrounding the selected portion. The heating element may heat the hydrogen atmosphere to a temperature of at least 250°C.
Applicant
3M INNOVATIVE PROPERTIES COMPANY
3M Center, Post Office Box 33427, Saint Paul, MN 55133-3427, USA.
Inventor
International Info
Classification: G02B 6/16, C03C 25/62
Publication Number: PCT/US02/35826
Priority Information
10/028,838 USA 2001-12-20