Optical Sensors Market SWOT Analysis Including Key Players - Hamamatsu Photonics, Kistler Instrumente, Leuze Electronic, Baumer Electric, Ifm Electronic, Sofradir, Vigo System, Carlo Gavazzi Automation, Theben, Teledyne Dalsa, Aptina Imaging, Pepperl+Fuchs, ST Microelectronics, Rohm Semiconductor, Omnivision Technologies, Vishay Intertechnology, Panasonic Corporation, Steinel Professional, B.E.G Bruck Electronics, Busch-Jaeger, Fairchild Semiconductor, First Sensor, Optek Technology, Irisys (Infrared Integrated Systems Limited), Keyence Corporation