Abstract
The first Nd:LuVO4 ultrafast mode locking laser operating at 1.34μm is demonstrated by utilizing a polymer free single-walled carbon nanotube (SWCNT) absorber fabricated by the vertical evaporation technique. The fast recovery times of the absorber were measured to be 40fs and 820fs. The modulation depth of the absorber was about 2%. Passively mode-locked Nd:LuVO4 laser using this absorber was demonstrated. As high as 1.74W continuous wave mode-locked pulses have been achieved with the pulse duration of 18ps and the repetition of 125MHz. Such kind of absorbers have great potential to be put into practical use because of their merit of high damage threshold, broad operational wavelength range and low cost of fabrication.
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