Influences of chemical construction of medium on stimulated Brillouin scattering

To investigate the relation between medium chemical construction and stimulated Brillouin scattering(SBS),the influences of medium chemical construction on the characteristics of SBS,such as the polarizability,the electrostriction coefficient,the gain coefficient,the phonon lifetime,the Brillouin frequency shift,the absorption coefficient and the optical breakdown threshold are analyzed.The reason for the different characteristics of medium is discussed.