Influence of temperature on Pr:YAlO3 laser operation in the orange and near-infrared spectral range

Continuous wave Pr:YAlO3 laser behavior in the orange (622 nm) and near-infrared (747 nm) spectral range down to cryogenic temperature is reported. To minimize resonator losses, dielectric films were deposited on the crystal facets to form a microchip geometry. More than 300 mW of output power at 747 nm wavelength with a slope efficiency close to the quantum limit is demonstrated. Furthermore, the first diode-pumped Pr:YAlO3 orange laser is described, as we believe.

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