Adjusted quarter wave plate using γ-Fe2O3 ferrofluid

Experimental investigation on the magneto-optic effects of ferrofluids via dynamic measurements

“…A classical electromagnet with axial holes drilled through the pole pieces is used to produce DC magnetic field up to 10 kOe. Ellipsometric angles D and c were measured using a null ellipsometer described elsewhere [43]. Fig.…”

Magneto-optical study of magnetite nanoparticles prepared by chemical and biomineralization process

“…A classical electromagnet with axial holes drilled through the pole pieces is used to produce DC magnetic field up to 1 T. Ellipsometric angles D and c were measured using an ellipsometer. Absolute values of the anisotropies are obtained using a zero-type configuration [13]. Relative behavior of these anisotropies as a function of the field can also be directly observed using a photo-elastic modulation on the ellipsometer [1].…”

Optical anisotropy of magnetosome-doped polymer films

“…The uniform size and distribution of the crystals indicates extreme biological control of the mineralization process. Several magneto-optical effects on magnetic nanoparticles have been reported by several investigators [4][5][6][7]. Rosenblatt et al [5] described the birefringence technique, which was used to determine the average magnetic moments of magnetotactic bacteria in culture.…”