High efficiency and tunability of holmium-doped fluoride crystals

Year: 2003

Authors: Marano M., Galzerano G., Taccheo S., Laporta P., Sani E., Toncelli A., Tonelli M.

Autors Affiliation: INFM-Dipartimento di Fisica, Politecnico di Milano and IFN-CNR Sez. Milano, Piazza Leonardo da Vinci 32, 20133 Milano, Italy
NEST-INFM Dipartimento di Fisica, Università di Pisa, Via Buonarroti, 2, 56127 Pisa, Italy

Abstract: We present the growth and the room-temperature spectroscopic analysis of three fluoride hosts, namely BaY2F8, LiYF4 and KYF4, equally codoped with 5.2% thulium and 0.5% holmium, together with the cw laser results in the 2 mum wavelength region of BaYF and YLF at room temperature. A comparison is carried out between the three crystals, showing the higher slope efficiency of YLF-laser, the wider tunability range of BaYF-laser, and the promising 170-nm broad-band emission of KYF at around 2 mum. (C) 2003 Elsevier B.V. All rights reserved.


Volume: 24 (1-2)      Pages from: 327  to: 332

More Information: The authors wish to thank Plinio Maroni and Ilaria Grassini for skill and competence in growing and preparing the samples. One of the authors (E.S.) is supported by a grant from Alcatel Italia.
KeyWords: Continuous wave lasers; Crystal growth; Doping (additives); Fluorine compounds; Lithium compounds; Spectroscopic analysis, Broad-band emission, Laser tuning
DOI: 10.1016/S0925-3467(03)00145-9

Citations: 16
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