Nanosecond Square Pulse Fiber Laser based on the Nonlinear Amplifying Loop Mirror

Department of Optics and Optical Engineering, University of Science and Technology of China, Hefei 230026

Received Date: August 25, 2011

Published Date: November 30, 2011

Abstract

We propose and demonstrate a nanosecond square pulse ytterbium doped fiber laser in the 1060 nm band. The laser is based on the figure-8 structure and has a tunable pulse bandwidth from 3 ns to beyond 100 ns, showing excellent temporal tuning ability. The experimental results show that a steady square pulse can be generated when the parameters of the cavity are chosen appropriately.

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