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Emission decay and energy transfer in Yb/Tm Y-codoped fibers based on nano-modified glass

Klimentov, Dmitry; Dvoyrin, Vladislav; Halder, Arindam; Paul, Mukul Chandra; Das, Shyamal; Bhadra, Shyamal K; Sorokina, Irina T
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URI
http://hdl.handle.net/11250/2463866
Date
2015
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Original version
Optical materials (Amsterdam). 2015, 42 270-275.   10.1016/j.optmat.2014.12.045
Abstract
We report the results of an experimental investigation and theoretical analysis of luminescence decay in Yb/Tm Y-codoped fibers based on nano-modified glass. Based on the experimental results, numerical simulations allowed us to estimate the energy transfer efficiency between Yb3+ and Tm3+ ions. It was shown that yttria enhances the Yb/Tm energy transfer making fibers with Y-codoping a promising candidate for the development of light sources for laser applications and up-conversion emitters for visualization applications. These fibers demonstrate energy transfer efficiency of ∼50%, which makes them attractive for diode-pumping of Yb-ions at a wavelength of 975 nm.
Publisher
Elsevier
Journal
Optical materials (Amsterdam)

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