Due to stimulated Brillouin scattering (SBS) suppression, the forward first-Stokes (FS1) conversion efficiency is only 3.8% in pure O_2. In comparison, the accompanying SBS attains a reflectivity of 70%.

• 由于受激布里渊散射(SBS)的竞争抑制；纯O_2气中前向一级斯托克斯(FS1)转化效率只有3.；8%25；而SBS的反射率达70%25。