Abstract
We demonstrated a high-power and highly efficient Pr-doped waterproof fluoride glass fiber laser at excited by two-polarization-combined GaN laser diodes and achieved a subwatt output power of and slope efficiency of 43.0%. This system will enable us to make a vivid laser display, a photocoagulation laser for eye surgery, a color confocal scanning laser microscope, and an effective laser for material processing. Direct visible ultrashort pulse generation is also expected.
© 2011 Optical Society of America
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