INTENSITY OF THE LINES FOR EXTERNALLY STIMULATED RAMAN EFFECT (CARS) IN LOW PRESSURE GASES

Abstract

$^{1}$ P. D. Maker and R. W. Terhune, Phys. Rev. 137, A801 (1965). $^{2}$ R. Y. Shen and N. Bloembergen, Phys. Rev. 137, 6A (1965).Author Institution: Laboratoire de Spectronomie Mol\'{e}culaire, Universit\'{e} de Dijon, 6 Bd Gabriel, 21000It has often been written that the observed intensity in externally stimulated Raman effect is proportional to the square of the $pressure.^{1,2}$ Precise measurements show, however, that at low pressure the intensity is proportional to the pressure. This result may be used for Stokes as well as for anti-Stokes lines. A theoretical explanation is given