9 March 2016 Wavelength agile holmium-doped fiber laser
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Abstract
For the first time, an electronically-controlled, wavelength-agile tuneable holmium-doped fibre laser is presented. A narrow-band acousto-optic tuneable filter was characterized and used as the wavelength selective element to avoid any inertial effects associated with opto-mechanical tuning mechanisms. We demonstrate operation over a 90 nm wavelength range spanning 2040 – 2130 nm. The laser produced >150 mW over this entire range with a signal-to-noise ratio of >45 dB and line-width of ~0.16 nm. Switching times of ~35 μs and sweep rates of up to 9 nm/ms were also demonstrated.
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N. Simakov, J. M. O. Daniel, J. Ward, W. A. Clarkson, A. Hemming, J. Haub, "Wavelength agile holmium-doped fiber laser", Proc. SPIE 9728, Fiber Lasers XIII: Technology, Systems, and Applications, 97280Q (9 March 2016); doi: 10.1117/12.2210880; https://doi.org/10.1117/12.2210880
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