The Raman effect of cadmium sulfide has been measured under a high degree of polarization using photoelectric recording and the continuous helium-neon and ionized-argon lasers as sources. The frequency and symmetry character of the fundamentals have been determined. The results are: two $E_2$ vibrations at 44 and 252 ${\mathrm{cm}}^{-1\mathrm{}}$; one transverse $A_1$ at 228 ${\mathrm{cm}}^{-1\mathrm{}}$ and a transverse $E_1$ at 235 ${\mathrm{cm}}^{-1\mathrm{}}$; one longitudinal $A_1$ and one longitudinal $E_1$, both at 305 ${\mathrm{cm}}^{-1\mathrm{}}$.

• Received 30 November 1965

DOI:https://doi.org/10.1103/PhysRev.144.771