NISTIRIUC, P. V.; TURCAN, D. N.; ALEXEI, A. S.; NISTIRIUC, I. V.; BEREGOI, E. A.; SAJIN, M. K.; SCUTARI, G.
(IEEE, 2000)
Elaboration results of adjustable magnetorheologic gradient lenses based on Y/sub 3/Fe/sub 5/O/sub 12/ powder are presented. Magnetorheologic lenses permit to change its focus radius by means of magnetic field.