Quantification of Different Water Species in Acetone using a NIR-Triple-Wavelength Fiber Laser

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Date
2016-02-25
Authors
Andrews, Nicholas L. P.
MacLean, Amy G.
Saunders, John E.
Barnes, Jack A.
Loock, Hans-Peter
Saad, Mohammed
Jia, Chenglai
Ramaswamy, Kishor
Chen, Lawrence R.
Keyword
Acetone , Wavelength Fiber , Lasers
Abstract
A fiber laser using a thulium-doped ZBLAN gain medium was used to generate laser radiation simultaneously at 1461, 1505 and 1874 nm, with > 5 mW output power at each of the wavelengths. The laser was used to quantify the near-infrared absorption of liquid water in acetone. Additionally, near-infrared spectra were recorded using a broad band source and were interpreted using parallel factor (PARAFAC) analysis to rationalize the concentration-dependent peak shifts.
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