Conference on Lasers and Electro-Optics 2012
DOI: 10.1364/cleo_at.2012.jw2a.72
We demonstrate a passively Q-switched thulium fiber laser, using a graphene-based saturable absorber. The laser is based on an all-fiber ring cavity and produces ~2.3μs pulses at 1884nm, with a maximum pulse energy of 70nJ.