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
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3510) Lasers and laser optics : Lasers, fiber
(140.6810) Lasers and laser optics : Thermal effects
Zilun Chen, Jing Hou, and Zongfu Jiang, "Theoretical analysis of thermal effects in fiber laser from the moment when pump is turned on to steady-state," Chin. Opt. Lett. 5, 178-180 (2007)