Abstract
We present the results obtained with a Ho,Tm:YLF crystal grown at a new crystal growth facility in Pisa. The optical quality of the sample has been tested by studying its performance as the active medium of a laser operating at 2.06 μm. We employed three different pump laser sources: a Ti:sapphire, a diode (both tuned at 793 nm) and, for the first time, a continuous-wave Co:MgF2 laser, tuned at 1.682 μm. At room temperature the best slope efficiency was 30 % in the case of “red” pumping, and 59 % in the case of “infrared” excitation. The typical lasing threshold is about 100 mW.
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Received: 14 March 2001 / Revised version: 15 June 2001 / Published online: 19 September 2001
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Cornacchia, F., Di Lieto, A., Maroni, P. et al. A cw room-temperature Ho,Tm:YLF laser pumped at 1.682 μm. Appl Phys B 73, 191–194 (2001). https://doi.org/10.1007/s003400100640
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DOI: https://doi.org/10.1007/s003400100640