The Dependence of the Reflectivity of a Stimulated Brillouin Scattering Phase co

We report that the reflectivity of a stimulated Brillouin scattering phase conjugate mirror SBS-PCM) using a fluorocarbon liquid is significantly affected by the mode of the pumping beam. For the multi-mode pumping, the reflectivity is 70% at most, but it becomes higher than 90% for the single mode