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Q-switched laser operation of a laser diode pumped Pr:LiYF4 laser is reported at 604nm using a topological insulator (TI) Bi2Se3 nanosheet material as saturable absorbers (SAs), for the first time to our knowledge. Stable Q-switched laser operation is obtained with shortest pulse width of about 802ns, a maximum pulse repetition rate of 130kHz, pulse energy of about 0.2μJ and a maximum average output...
We report on the diode-pumped continuous-wave (CW) and passively Q-switched laser operation of a c-cut Nd:YAlO3 (YAP) laser crystal. CW laser operation is demonstrated for the first time with 0.61W output power on a low-gain emission line at 1364nm by using a 0.08-mm glass etalon. Dual-wavelength laser operation is also achieved at 1328 and 1340nm as well as at 1340 and 1364nm with maximum output...
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