Abstract

A theoretical analysis of the pump-induced temperature change and associated thermal phase shift occurring in a fiber laser is presented. The temperature rise and thermal phase shift from the moment when pump is turned on to steady-state in fiber lasers, such as Yb-doped fiber laser, are numerical calculated. With the same parameters, the numerical solution is in good agreement with the finite-element (ANSYS software) simulation.

© 2007 Chinese Optics Letters

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