Department of Electrical Engineering and Bioscience;
Waseda University;
Tokyo;
Japan.;
Electronics and Photonics Research Institute (ESPRIT);
National Institute of Advanced Industrial Science and Technology (AIST);
Tsukuba;
Japan;
Influenza; Virus; Polystyrene; Bead; Optical; Disk; Laser; Reflectance; Sensor; Safety; and; Security;