CW and temporal theoretical model predictions and experimental results for Tm:YAG and Ho:YAG lasers

Eric K. Gorton; John G. Betterton; David A. Orchard; Brian J. Perrett; Paul D. Mason; Ian F. Elder

doi:10.1117/12.800664

2 October 2008 CW and temporal theoretical model predictions and experimental results for Tm:YAG and Ho:YAG lasers

Eric K. Gorton, John G. Betterton, David A. Orchard, Brian J. Perrett, Paul D. Mason, Ian F. Elder

Proceedings Volume 7115, Technologies for Optical Countermeasures V; 71150U (2008) https://doi.org/10.1117/12.800664
Event: SPIE Security + Defence, 2008, Cardiff, Wales, United Kingdom

Abstract

We describe the development of a time dependent thulium laser model. The model is used to predict both the CW and temporal behaviour of a Tm:YAG laser. Experimental results from a diode-pumped Tm:YAG laser are obtained and the model is used to obtain good agreement with these observations for both the CW and temporal behaviour of the laser. Particular results relate to switch-on time delays and the effect of pump diode modulation on Tm laser efficiency. The laser model has been extended to the case of the Ho:YAG laser where other important effects due to ground state depletion and self re-absorption must be taken into account. The holmium laser model has recently been used to predict reported experimental results from a thulium fibre laser pumped Ho:YAG laser.

Citation Download Citation

Eric K. Gorton, John G. Betterton, David A. Orchard, Brian J. Perrett, Paul D. Mason, and Ian F. Elder "CW and temporal theoretical model predictions and experimental results for Tm:YAG and Ho:YAG lasers", Proc. SPIE 7115, Technologies for Optical Countermeasures V, 71150U (2 October 2008); https://doi.org/10.1117/12.800664

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