Dynamic reflection range in the case of four-wave interaction in resonant media at the wavelength of 10.6 μ

It was found experimentally that the dynamic reflection range was ~10⁷ for a four-wave interaction in SF₆ and BCl₃ gases absorbing resonantly at 10.6 μ. In an optically dense nonlinear medium the power efficiency of reflection of a signal wave was independent of its intensity right up to the value comparable with the intensity of the first reference wave. On the side of low signal intensities the dynamic range was limited by the scattering of the reference waves on the windows of a gas cell.