1 . photodetector
photodensitometer 光密度计photodetector 光检测器,光电探测器photodiode 光电二极管
2 . optical detector
optical densitometer 光密度计optical detector 光检测器optical digital audio player 光学数字音频唱机.
3 . optical photodetector
optical phonon 光频声子; 光学声子optical photodetector 光检测器optical photon 可见光子
4 . OD Optical Detector
OD Optical Demultiplexer 光解复用器OD Optical Detector 光检测器ODB Object DataBase 目标数据库