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1 March 2017 Spectral absorption model for Tm:Lu2O3 ceramic edge-pumped disk lasers
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Tm:Lu2O3 has a multi–featured absorption spectrum in the usual pump band around 796 nm with peaks and valleys narrower than the bandwidth of conventional pump diodes in this range. As a result, accurate prediction of the spatial deposition of absorbed pump power is rather challenging. This is of particular importance for the edge-pumped disk laser where the spatial gain profile is adjusted by temperature tuning of the laser pump diodes to optimize performance for amplification of pulses with spatial top hat or with spatial Gaussian profiles. The frequently used "lumped-line" pump model was found inadequate for Tm:Lu2O3. This work reports on the development of a spectral absorption model for a more accurate prediction of pump power deposition and its correlation with the gain uniformity and amplifier output pulse energy.
Conference Presentation
© (2017) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Drew A. Copeland and John Vetrovec "Spectral absorption model for Tm:Lu2O3 ceramic edge-pumped disk lasers", Proc. SPIE 10082, Solid State Lasers XXVI: Technology and Devices, 100820C (1 March 2017);


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