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Time-varying beam quality factor and mode evolution in TEA CO_2 laser pulses

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Serna Galán, Julio and Martínez, C. and Encinas Sanz, Fernando and Martínez Herrero, Rosario and Mejías Arias, Pedro Miguel (1998) Time-varying beam quality factor and mode evolution in TEA CO_2 laser pulses. IEEE Journal of Quantum Electronics, 34 (10). pp. 1835-1838. ISSN 0018-9197

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Official URL: http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=720215


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Abstract

The time evolution of the transversal modes in a TEA CO_2 laser cavity has been investigated from the analysis of the time-varying beam quality factor M^2 of the emitted pulses. The experiments reveal a significant change in this parameter during the pulse evolution, which can be translated into an evolution of the modes of the laser cavity to reach a nearly stationary behavior. Attention is focused on both the appearance of a particular mode and the duration of its growing process.


Item Type:Article
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©1998 IEEE-Inst Electrical Electronics Engineers Inc.

Uncontrolled Keywords:Parametric Characterization, Optical-Systems, Light, Laws
Subjects:Sciences > Physics > Optics
ID Code:22074
Deposited On:29 Jun 2013 17:01
Last Modified:07 Feb 2014 10:41

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