Optical UNI光用户网络接口opticaladj.视觉的；光学的optical instrument making光学仪器制造optical bevel protdractor光学斜角规optical-track photocell光声带用光电管optical fiber positioning光纤光谱optical biosensor protein生物感光蛋白, 光生物传感蛋白optical fiber thermometer光纤温度计optical read only storage光学只读存储器optical waveguide grating光波导光栅optical band-gap energy光学带隙optically bistable switch光学双稳开关