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Interaction of spatially modulated pump and FIR waves in Raman laser

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Abstract

The propagation of spatially modulated IR pump and FIR generated waves interacting in the active gas medium of Raman laser is simulated numerically. Stationary nonlinear diffraction of monochromatic beams is studied for the isolated homogeneously broadened three-level system without any limitations on the values of field strength and frequency offset. It is shown that FIR radiation is trapped in the active wave guide induced owing to the nonlinear refractive index mechanism and gain inhomogeneity across the pump wave beam. Nonlinear focus positions and on-axis focal intensities for both fields are calculated.

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Batanov, V.A., Petriv, V.S., Radkevich, A.O. et al. Interaction of spatially modulated pump and FIR waves in Raman laser. Int J Infrared Milli Waves 13, 467–482 (1992). https://doi.org/10.1007/BF01010706

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  • DOI: https://doi.org/10.1007/BF01010706

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