Abstract

Tm-doped ZBLAN and Tm-doped silicate glass are compared spectroscopically and the fiber lasing of the Tm <sup>3</sup>F<sub>4</sub> →<sup>3</sup>H<sub>6</sub> transition around 1.9 µm in ZBLAN and silicate glass is compared. The spectroscopy of these materials indicates that Tm:ZBLAN possesses advantages over Tm:silicate glass due to the lower phonon energies. Diode-pumped fiber lasing experiments demonstrate that Tm:ZBLAN possesses advantages over Tm:silicate in laser performance.

© 2003 Optical Society of America

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