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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Vol. 12, Iss. 12 — Dec. 1, 1995
  • pp: 2486–2493

Switch-on time statistics of modulated gas lasers

A. Valle, F. Moreno, L. Pesquera, F. González, and M. A. Rodríguez  »View Author Affiliations

JOSA B, Vol. 12, Issue 12, pp. 2486-2493 (1995)

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Measurements of the switch-on time statistical properties of a single-mode Ar<sup>+</sup> laser modulated by an acoustooptic modulator (AOM) are reported. The mean switch-on time, 〈τ〉, is found to increase linearly with the time of application of the AOM, <i>t</i><sub>off</sub>, before reaching a constant value for large values of <i>t</i><sub>off</sub>. The switch-on time variance, σ<sub>τ</sub>, shows a maximum as a function of <i>t</i><sub>off</sub>. These results are explained with the use of a model that includes the spontaneous emission noise and fluctuations in the loss factor caused by the random character of the radio frequency signal driving the AOM. An analytic approximation is developed to obtain the slope of 〈τ〉 versus t<sub>off</sub> and to characterize the maximum of σ<sub>τ</sub>

© 1995 Optical Society of America

A. Valle, F. Moreno, L. Pesquera, F. González, and M. A. Rodríguez, "Switch-on time statistics of modulated gas lasers," J. Opt. Soc. Am. B 12, 2486-2493 (1995)

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