Widely tunable 2 µm Tm:BaY2F8 vibronic laser
Year: 2005
Authors: Galzerano G., Taccheo S., Laporta P., Cornacchaia F., Parisi D., Sani E., Toncelli A., Tonelli M.
Autors Affiliation: IFN, CNR, Dipartimento di Fisica del Politecnico di Milano, Piazza L. da Vinci 32, 20133 Milano, Italy; NEST, INFM, Dipartimento di Fisica dell\’Università di Pisa, Largo B. Pontecorvo 3, 56127 Pisa, Italy
Abstract: A BaY2F8 crystal doped with thulium ions has been grown and extensively investigated to exploit widely-tunable laser action at 2 µm. The potential wide-tunability of the Tm:BaY2F8 crystal was demonstrated by performing room-temperature laser experiments. A tunability range from 1849 nm to 2059 nm, strongly limited by the finite bandwidth of the adopted laser mirrors, has been obtained. A slope efficiency of 32% and a maximum output power of 0.7 W were also demonstated.
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KeyWords: Bandwidth; Crystals; Ions; Laser tuning; Thermal effects; Thulium, Laser mirrors; Thulium ions, Lasers