Diode-pumped 1.7-W erbium 3-µm fiber laser

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Jackson, Stuart D. and King, Terence A. and Pollnau, Markus (1999) Diode-pumped 1.7-W erbium 3-µm fiber laser. Optics Letters, 24 (16). pp. 1133-1135. ISSN 0146-9592

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Abstract:We report what is to our knowledge the first 3-mm fiber laser of the 1-W class. 1.7 W of output power and 17.3% slope eff iciency (with respect to the launched pump power) at a wavelength of 2.71 mm are demonstrated from a double-clad erbium-doped ZBLAN fiber diode pumped at 790 nm. Energy transfer from the Er3+ lower laser level to a Pr3+ codopant decreases ground-state bleaching and excited-state absorption, thus avoiding output-power saturation. This result represents more than an order-of-magnitude improvement over previous work of which we are aware. Advantages over current crystal-laser designs include nearly transverse fundamental-mode operation, reduced thermal effects, and ease of use, e.g., in medical endoscopy.
Item Type:Article
Copyright:© 1999 Optical Society of America
Link to this item:http://purl.utwente.nl/publications/70099
Official URL:http://dx.doi.org/10.1364/OL.24.001133
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