The OVB Optical Variable Backreflector enables precise backreflection control and superior repeatability. It can be used as a benchtop or rackmount instrument. The OVB is ideal for lab and production applications including transceiver testing, QA testing, laser production and automated test systems. The OVB variable backreflector offers ± 0.02dB repeatability and a range of 60dB in single-mode and 35 dB in multi-mode. The OVB can be controlled via the front panel touch screen, or remotely via USB and Ethernet. The OVB series variable backreflectors operate from 1200-1700 for single-mode and 750-1700 for multi-mode. A 50/50 coupler can be added to bypass the variable backreflector for input signal monitoring.