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Self-swept holmium fiber laser near 2100 nm.
Title Self-swept holmium fiber laser near 2100 nm.
Authors Aubrecht, J.; Peterka, P.; Koška, P.; Podrazký, O.; Todorov, F.; Honzátko, P.; Kašík, I.
Journal Opt Express
DOI 10.1364/OE.25.004120
Abstract

Self-sweeping of laser wavelength corresponding to holmium emission near 2100 nm is reported. The sweeping occurred in ~4 nm interval with rate ~0.7 nm/s from longer towards shorter wavelengths. Origins of the selection of the sweeping direction are discussed. The laser wavelength drift with time was registered by Fourier transform infrared spectrometer. To our knowledge it is the first observation of self-swept fiber laser beyond 2000 nm.