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Efficient tunable laser operation of Tm:KGd(WO4)2 in the continuous-wave regime at room temperature
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Tm:KGd(WO/sub 4/)/sub 2/ is studied as a three-level laser on the /sup 3/F/sub 4/ /spl rarr/ /sup 3/H/sub 6/ transition and a tunable source in the 2-/spl mu/m spectral range, operating at room temperature. An overall tunability extending from 1790 to 2042 nm is achieved with maximum output powers of 400 mW for an absorbed pump power of 1 W. Various doping levels, pump wavelengths and polarization configurations are compared and the advantages of the monoclinic double tungstates over other Tm-hosts are outlined.
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PETROV, Valentin, et al. Efficient tunable laser operation of Tm:KGd(WO4)2 in the continuous-wave regime at room temperature. IEEE Journal of Quantum Electronics. 2004. Vol. 40, num. 9, pags. 1244- 1251. ISSN 0018-9197. [consulted: 12 of June of 2026]. Available at: https://hdl.handle.net/2445/8755