A low-cost approach to diode-pumped Ti:Sapphire resonators with Watt-level output

Simpson, Niall and Lee, Martin and Kemp, Alan (2024) A low-cost approach to diode-pumped Ti:Sapphire resonators with Watt-level output. Other. Optica Open. (https://doi.org/10.1364/opticaopen.24764043.v3)

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Abstract

We report a continuous-wave Ti:sapphire laser with an output power of 1.03 W, achieved with two low-cost single-emitter diode pumps, both of blue wavelength (448 and 468 nm). We reach Watt-level output power using a novel strategy of combining blue-wavelength pumping with a long, low-doping Ti:sapphire crystal, maximising the available pump power while minimising deleterious effects associated with blue pump wavelengths

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