Tunability range of 245 nm in a diode-pumped Tm:BaY2F8 laser at 1.9 μm: a theoretical and experimental investigation |
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| Authors: | N. Coluccelli D. Gatti G. Galzerano F. Cornacchia D. Parisi A. Toncelli M. Tonelli P. Laporta |
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| Affiliation: | (1) Istituto di Fotonica e Nanotecnologie-CNR, Dipartimento di Fisica del Politecnico di Milano, Piazza Leonardo da Vinci 32, Milano, 20133, Italy;(2) National Enterprice for nanoScience and nanoTechnology-CNR, Dipartimento di Fisica, Università di Pisa, Via F. Buonarroti 2, 56100 Pisa, Italy |
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| Abstract: | Extremely wide wavelength tuning ranges of up to ∼300 nm around 1.9 μm are theoretically predicted in a Tm-doped BaY2F8 crystal, on the basis of near-infrared measurements of emission and absorption cross sections. A tunability interval of 245 nm, from 1849 nm to 2059 nm, has been demonstrated by room-temperature laser experiments using a 8% Tm-doped crystal. PACS 42.55.Xi; 42.55.Rz; 42.60.Pk; 42.70.Hj; 42.60.Lh |
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