Fermi and intramode relaxation phenomena in CO2lasers


Rooth, Rudy A. and Pol, Jacob A. van der and Haselhoff, Eltjo H. and Witteman, W.J. (1987) Fermi and intramode relaxation phenomena in CO2lasers. IEEE journal of quantum electronics, 23 (8). pp. 1372-1377. ISSN 0018-9197

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Abstract:Using a 1 ns pulse from a short-pulse CO2laser system, the evolution of the gain in a TEA system was studied during and after amplification. This resulted in a very direct observation of a few relaxation processes. We estimated the effective intramode relaxation rate constant to be larger than6 times 10^{6}torr-1/s. The Fermi relaxation time constant was found to be 30 ± 7 ns at 760 torr. We conclude that for nanosecond pulse amplification, intramode relaxation cannot be neglected.
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Copyright:© 1987 IEEE
Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/55630
Official URL:https://doi.org/10.1109/JQE.1987.1073522
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