Experimental and theoretical investigation of highly nonlinear optical glasses L. CANIONI, L. SARGER, P. SEGONDS, A. DUCASSE, C. DUCHESNE, E. FARGIN, R. OLAZCUAGA and G. LE FLEM J. Phys. IV France, 04 C4 (1994) C4-285-C4-288 DOI: 10.1051/jp4:1994470