Comparative analysis of Tm-Ho:KYF4 laser crystals
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- Sani, E., Toncelli, A., Tonelli, M. et al. Appl. Phys. B (2005) 81: 847. doi:10.1007/s00340-005-1941-z
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A spectroscopic characterization of Tm-Ho:KYF4 crystals with different doping levels is presented. A comparative investigation based on diode-pumped 2-μm laser experiments shows that the best trade-off in terms of cw output power characteristics and wavelength tuning ranges is obtained with 5% Tm-0.5% Ho active crystal.