We report on the spectroscopic characterization of infrared (1064 nm) to uv-visible up-converted emission in multimode Tm3+-doped fluorozirconate fibers. Different excitation pathways were clearly observed for the up-converted fluorescence, which varied according to the incident pump power.
机构:
Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Shanghai 201800Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Shanghai 201800 Graduate School of the Chinese Academy of Sciences,Beijing 100049