Compact Narrow Linewidth Actively Q-Switched Er–Yb Double-Clad Fiber Laser

Author: Posada-Ramírez Berenice   Durán-Sánchez Manuel   Alvarez-Tamayo Ricardo I.   Alaniz-Baylón Jared   Salceda-Delgado Guillermo   Kuzin Evgeny A.   Ibarra-Escamilla Baldemar  

Publisher: MDPI

E-ISSN: 2079-6439|5|2|21-21

ISSN: 2079-6439

Source: Fibers, Vol.5, Iss.2, 2017-06, pp. : 21-21

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Abstract

Actively Q-switched laser operation of a narrow linewidth compact fiber laser based on an Er–Yb double-clad fiber is presented. The laser linewidth as a function of the repetition rate and the Q-switched pulses characteristics for different pump powers are experimentally analyzed. Stable Q-switched laser operation with spectral laser linewidth of 73 pm in a repetition rate range from 90 to 270 kHz is obtained. The minimum pulse duration of 178 ns, maximum peak power of 30.5 W, and maximum pulse energy of 5.4 µJ are observed. The maximum average power reached is 1.1 W.