Fig. 11From: Exposure to TiO2 nanoparticles increases Staphylococcus aureus infection of HeLa cellsSchematic diagram of the experimental setup. BE beam expander; HW half-wave plate; PBS polarizing beam splitter; PZT mirror mirror mounted on a PZT piezo-electric; DM dichroic mirror; OBJ microscopic objective; LF 1000 nm short-pass filter; QPD quadrant photodiodeBack to article page