Passively Q-switched Erbium-Doped Fiber Laser based on Graphene Oxide as Saturable Absorber
Amilia MansoorBelal Ahmed HamidaTawfig EltaifE. I. IsmailN. A. A. KadirSheroz KhanSulaiman Wadi Harun
Abstract
Abstract In this paper, passively Q-switched fiber laser is demonstrated and the laser output energy is stabilized by using 2.4 m Erbium-doped fiber laser (EDFL) with a graphene oxide used as saturable absorber (GO-SA). According to the experimental results in the Q-switched configuration, the laser cavity emits a wavelength centered at 1,558.75 nm, and by inserting the GO-SA into EDFL cavity, hence, the laser output energy around 1.68 nJ with an FWHM pulse width of 2.3 µs at 123.5 kHz was achieved.
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