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Output performance of a continuous-wave (CW) laser diode end-pumped passively Q-switched Tm,Ho:YLF laser is demonstrated with a Cr:ZnS crystal as the saturable absorber. We particularly investigate the influence of saturable absorber's position in the resonator when the Cr:ZnS crystal is placed close to and far from the laser beam waist. We compare the experimental results at the two different positions,...
The performances of continuous wave, quasi-three-level Tm,Ho:YLF lasers emitting near 2.06μm with single- and dual-end-pumped configurations are reported. Bistability is observed for single-end pumping but is absent for dual-end pumping. The width of the bistability region and the jump power at the turning point are shown to be functions of both the cavity length and output coupler transmission.
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