| 简介 |
PROBLEM TO BE SOLVED : To provide an optical fiber for a fiber laser having high quality and high optical output, and being capable of providing output light in a single mode, and to provide a fiber laser.SOLUTION : This optical fiber 11 for a fiber laser oscillating laser light by amplifying an excitation light comprises : an optical fiber 2, having a core with a rare-earth element added therein and a cladding formed around the core; and a mode filter 6 arranged at a tip part of the optical fiber 2.COPYRIGHT : (C)2010, JPO&INPIT |
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