OPTICAL FIBER AND METHOD FOR MANUFACTURING THE SAME

摘要

PROBLEM TO BE SOLVED: To obtain an optical fiber that allows a laser beam to exit with uniform irradiation intensity. SOLUTION: The optical fiber includes a quartz core 1a formed to have a rectangular or square cross section, and a resin clad 2 formed to cover the core 1a and to have a circular outline of the cross section. COPYRIGHT: (C)2009,JPO&INPIT