Abstract
The nonlinear dynamics of a waveguide CO2 laser with combined periodic loss and pumping modulation is investigated theoretically and experimentally. The possibilities of controlling time and energy parameters of the output radiation using the corresponding selection of the detuning of the cavity's longitudinal mode from the center of the amplification line, the amplitude, and the frequency of loss modulation are demonstrated. The observed asymmetric dependence of the lasing-radiation density on the detuning of the cavity frequency is explained by the attendant modulation of the refractive index of the loss modulator.
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B. I. Stepanov Institute of Physics, National Academy of Sciences of Belarus, 68, F. Skorina Ave., Minsk, 220072, Belarus. Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 66, No. 4, pp. 471–478, July–August, 1999.
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Pisarchik, A.N., Kuntsevich, B.F. & Churakov, V.V. Dynamics of a waveguide pulsed-periodic CO2 laser with loss modulation. J Appl Spectrosc 66, 506–515 (1999). https://doi.org/10.1007/BF02675377
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DOI: https://doi.org/10.1007/BF02675377