Abstract
A diode-pumped passively mode-locked Nd,La:CaF2 laser has been investigated by using a semiconductor saturable absorber mirror (SESAM) for the first time. With Nd,La:CaF2 disordered crystal as gain medium, the mode-locked laser generated pulses with pulse duration of 11 ps and repetition rate of 87.5 MHz at the central wavelength of 1065.8 nm. The maximum average output power was 110 mW corresponding to pulse energy of 1.26 nJ and peak power of 115 W, respectively. Additionally, continuous wave (CW) laser output performance of Nd,La:CaF2 was investigated, and the maximum average output power was as high as 488 mW.
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