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Time-resolved spatial structure of TEA CO2 laser pulses

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Abstract

The evolution of the intensity profile of TEA CO2 laser pulses along the pulse length is investigated both analytically and experimentally. A simple scalar model of the pulse amplitude is introduced, which gives the loaded-cavity modes as a linear combination of bidimensional Hermite-Gauss functions. According to this model a number of equations are derived which link the time-varying spatial structure of the pulse to its time-resolved second-order intensity moments, namely, the beam width and the M2 parameter.

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Authors and Affiliations

  1. Departamento de Óptica, Facultad de Ciencias Físicas, Universidad Complutense, 28040, Madrid, Spain

    C. Martínez, J. Serna, F. Encinas-Sanz, R. Martínez-Herrero & P. M. Mejías

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  1. C. Martínez
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  2. J. Serna
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  3. F. Encinas-Sanz
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  4. R. Martínez-Herrero
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  5. P. M. Mejías
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Martínez, C., Serna, J., Encinas-Sanz, F. et al. Time-resolved spatial structure of TEA CO2 laser pulses. Optical and Quantum Electronics 32, 17–30 (2000). https://doi.org/10.1023/A:1007033113828

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  • DOI: https://doi.org/10.1023/A:1007033113828

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