Abstract
The requirement from the industry of precise lifetime estimation of Bragg gratingsin optical fibres and other optical devices motivated us to perform calculationsin a region of a master curve (describing the time evolution of a system at anytemperature) where an approximation, called demarcation energy, is no longervalid. We describe a correction procedure that leads to reintroducing afterwards atemperature dependence lost in this approximation while preserving most of theadvantages of the demarcation energy approach. With our procedure, a precisedetermination of burning-in parameter for achieving lifetime specification is possible.A Bragg grating written in H2 loaded Ge doped silica core optical fibres is used as application example.
Published Version
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