Optical Stark effect in the stimulated Raman scattering in gases

A theoretical investigation is made of the Stark structure of the stimulated Raman scattering lines of a gas, which appears in the field of high-power pump radiation. The cases of different polarizations of the pump and Stokes waves are considered. Allowance for the nuclear contribution to the Stark shifts is made. It is shown that the Stark effect should be observed at pump radiation intensities which can be achieved using currently available lasers.