Abstract
Q-switched erbium lasers emitting in the 1.5-1.6 μm spectral region are widely used in laser rangefinders and LIBS systems.These applications require compact and low-cost sources of laser pulses with high average output power. Passive Q-switching is one of the most simple and reliable method to achieve the abovementioned requirements. Er,Yb:GdAl3(BO3)4 (Er,Yb:GdAB) crystal was shown to be an efficient laser material for the 1.5-1.6 µm spectral range [1]. Recently a passively Q-switched Er,Yb:GdAB laser was demonstrated with Co2+:MgAl2O4, graphene and SWCNT saturable absorbers [2-4]. Here we report Er,Yb:GdAB laser Q-switched by using of MBE-grown Cr:ZnS thin films.
© 2017 IEEE
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