Abstract
Passively Q-switched ytterbium-doped fiber lasers (YDFLs)
incorporating a molybdenum sulfide selenide (MoSSe)-based saturable
absorber (SA) are demonstrated. The modulation depth and saturation
intensity of the MoSSe-based SA are measured to be approximately 25.0% and
0.002 MW/cm2, respectively, using the twin detector technique.
The YDFL’s output has a center wavelength of 1038.5 nm with a top pulse
width and energy of 1.2 μs and 18.9 nJ, respectively, at a pump power of
333 mW. The MoSSe-based SA has a good linear optical response, providing
significant opportunity for use in applications over an ultra-broadband
spectrum, particularly spectroscopy and biomedical diagnostics.
© 2016 Chinese Laser Press
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