Experimental characterisation, optimisation and design of erbium-doped silica fibre lasers |
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Authors: | A Escuer S Jarabo J M Álvarez |
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Institution: | (1) Departamento de Fìsica Aplicada—Facultad de Ciencias, Universidad de Zaragoza, Pedro Cerbuna 12, 50.009 Zaragoza, Spain |
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Abstract: | A new characterisation method is described using the new theoretical model for erbium-doped silica fibre lasers (EDSFLs) based
on the energy conservation principle. Using this method, we obtained absorption and emission coefficients for the lasing wavelength
at lasing operating conditions. After that, an experimental procedure to deduce the spectral profiles of the absorption and
emission coefficients is also presented. This procedure allows us to obtain the values of these parameters for the whole fluorescence
spectrum through measurements of gain profiles under the lasing operation. Once the absorption and emission coefficients are
known, the new model can be applied and a comparison with experimental results for two different laser configurations is shown.
The theoretical model is proved to be accurate and in addition some equations are developed to allow the design and optimisation
of EDSFLs.
This revised version was published online in March 2005. In the previous version, the published online date was missing |
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Keywords: | 42 55 Wd 42 81 Cn |
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