Widely tunable continuous-wave diode-pumped 2-microm Tm-Ho:KYF4 laser |
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| Authors: | Galzerano Gianluca Sani Elisa Toncelli Alessandra Della Valle Giuseppe Taccheo Stefano Tonelli Mauro Laporta Paolo |
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| Institution: | Istituto di Fotonica e Nanotecnologie, Consiglio Nazionale delle Ricerche, Dipartimento di Fisica del Politecnico di Milano, Piazza L. da Vinci 32, Milano 20133, Italy. gianluca.galzerano@fisi.polimi.it |
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| Abstract: | Continuous-wave laser action at approximately 2 microm is demonstrated in a Tm-Ho:KYF4 single crystal at room temperature. Crystal growth, spectroscopic measurements, and laser results are presented. An output power in excess of 250 mW is obtained with a tuning range of 99 nm, the largest ever published, to our knowledge, for Tm-Ho in any crystalline host. |
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