光时域反射计 OTDR ; optical time-domain reflectometer ; Domain Reflectometer OTDR

光电反射计 photronreflectometer ; [光] photoelectric reflectometer

光频域反射计 optical frequency domain reflectometer ; OFDR

反射式光度计 baffled photometer ; reflection photometer ; [光] reflectance photometer

布里渊光时域反射计 BOTDR ; Brillouin optical time-domain reflectometer

光脉冲反射计 optical pulse reflectometer

偏振光时域反射计 polarization-optical time domain reflectometry ; POTDR

光点反射检流计 spot reflecting galvanometer

光学反射计 [光] optical reflectometer ; LCR