High-efficiency lasing at 810 nm in single-mode Tm3+ doped fluorozirconate fiber pumped at 778 nm

Efrain Mejia-Beltran; Luis A. Zenteno; Paul Gavrilovic; Anish K. Goyal

doi:10.1117/1.601805

1 October 1998 High-efficiency lasing at 810 nm in single-mode Tm3+ doped fluorozirconate fiber pumped at 778 nm

Efrain Mejia-Beltran, Luis A. Zenteno, Paul Gavrilovic, Anish K. Goyal

Optical Engineering, Vol. 37, Issue 10, (October 1998). https://doi.org/10.1117/1.601805

We report a Tm3+ doped fluorozirconate fiber laser suitable for the first telecommunications window. We present a mathematical model and experimental measurements. The cw, low threshold pump power of 15 mW, pumped by a Ti:sapphire laser at 778 nm, and a 85 mW maximum output power around 810 nm with a 85% slope efficiency against launched pump power are achieved. This represents a conversion efficiency of ~95%, which is the highest reported to date for any laser. Visible up-conversion fluorescence is also observed. We describe two different oscillator configurations.

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Efrain Mejia-Beltran, Luis A. Zenteno, Paul Gavrilovic, and Anish K. Goyal "High-efficiency lasing at 810 nm in single-mode Tm3+ doped fluorozirconate fiber pumped at 778 nm," Optical Engineering 37(10), (1 October 1998). https://doi.org/10.1117/1.601805

Published: 1 October 1998

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