ANISOTROPIC REFRACTIVE INDICES OF CADMIUM SULFIDE THIN FILM ON A SLAB-TYPE OPTICAL WAVEGUIDE K. Sasaki, T. Shimizu, O. Nonaka, O. Hamano and M. Serizawa J. Phys. Colloques, 44 C10 (1983) C10-127-C10-130 DOI: 10.1051/jphyscol:19831027