Power-scaling of Pr:YAlO3 laser operating in CW regime at 747 nm and 720 nm wavelengths

Martin Fibrich; Helena Jelínková

doi:10.1117/12.2001096

6 March 2013 Power-scaling of Pr:YAlO₃ laser operating in CW regime at 747 nm and 720 nm wavelengths

Martin Fibrich, Helena Jelínková

Proceedings Volume 8599, Solid State Lasers XXII: Technology and Devices; 85991S (2013) https://doi.org/10.1117/12.2001096
Event: SPIE LASE, 2013, San Francisco, California, United States

Abstract

We report efficient continuous-wave laser operation of laser-diode pumped Pr:YAlO₃ crystal in the power-scaled resonator arrangement. Using two pumping GaN-laser-diodes emitting at 448 nm wavelengths with a maximum output power of 1 W each, 290 mW of Pr:YAlO₃ output power in the near-infrared spectral region (747 nm) with oscillation threshold of about 500 mW has been reached. The maximum absorbed pump power was approximately 1.5 W resulting in the slope efficiency of 28 %. Moreover, switchable laser operation at two wavelengths (747 nm and 720 nm) has been demonstrated employing the broadband laser resonator mirrors in connection with the tuning element (Lyot filter).

Citation Download Citation

Martin Fibrich and Helena Jelínková "Power-scaling of Pr:YAlO₃ laser operating in CW regime at 747 nm and 720 nm wavelengths", Proc. SPIE 8599, Solid State Lasers XXII: Technology and Devices, 85991S (6 March 2013); https://doi.org/10.1117/12.2001096

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