Variable optical attenuator: SC/APC-SC/APC Variable Fiber Optic VOA In-Line Attenuator, Singlemode 3mm Fiber cable, attenuation range up to 55dB
Opelink offers In-line variable optical attenuator (VOA) in wide attenuation range. It uses for precisely balancing the signal strengths in fiber circuits or balancing an optical signal when evaluating the dynamic range of the measurement system. With turning the knob by hand, attenuation value can be set up to 55dB