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Efficient broadband spectrum oscillation was obtained directly from a laser-diode-pumped Kerr-lens mode-locked Yb:YAG laser with intracavity nonlinear media. The spectrum was expanded to around 1040 nm to 1070 nm. The spectrum is much broader than the fluorescence spectrum at 1050 nm.
One-hundred-ten-fs and 72-fs pulse-widths were obtained directly from a mode-locked Yb:YAG laser with SESAM and without SESAM, respectively. The laser-spectrum-center and the fluorescence-center were almost same. The oscillation-spectra were much broader than the fluorescence.
In this paper cw laser oscillation is reported in the YbAG as the active material, and in the stoichiometric Yb-doped materials by pumping shorter wavelength than 1.0 alpham without direct pumping to the upper laser level. The YbAG has several advantages over the KYbW. The results also indicate a possibility of cw and high power laser oscillation by laser diode pumping of the stoichiometric YbAG by...
Highly efficient cavity dumping of Yb:YAG laser has been realized at room temperature with the optical to optical conversion efficiency of 72% for the absorbed pump power.
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