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Proceedings Paper

CW and temporal theoretical model predictions and experimental results for Tm:YAG and Ho:YAG lasers
Author(s): Eric K. Gorton; John G. Betterton; David A. Orchard; Brian J. Perrett; Paul D. Mason; Ian F. Elder
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Paper 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.

Paper Details

Date Published: 2 October 2008
PDF: 8 pages
Proc. SPIE 7115, Technologies for Optical Countermeasures V, 71150U (2 October 2008); doi: 10.1117/12.800664
Show Author Affiliations
Eric K. Gorton, QinetiQ Ltd. (United Kingdom)
John G. Betterton, QinetiQ Ltd. (United Kingdom)
David A. Orchard, QinetiQ Ltd. (United Kingdom)
Brian J. Perrett, QinetiQ Ltd. (United Kingdom)
Paul D. Mason, QinetiQ Ltd. (United Kingdom)
Ian F. Elder, SELEX Galileo (United Kingdom)

Published in SPIE Proceedings Vol. 7115:
Technologies for Optical Countermeasures V
David H. Titterton; Mark A. Richardson, Editor(s)

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