continuous variable optical attenuator
Digitalized variable optical attenuator
electrical variable optical attenuator
Optical Variable Device
optical variable devices
optical-optical conversion efficiency
Optical-optical double resonance
optical-optical double resonance(OODR)
OVD optical variable device
panel mount variable optical attenuator
security optical variable image devices
stepwise variable optical attenuator
Variable Optical Attenuator
可变光衰减器
可调谐光衰减器
光可变衰减器
可调式光衰减器
可调试光衰减器
可变衰减器
光衰减器
可调光衰减器
可调光衰减器(VOA)
variable optical attenuator VOA
可调光衰减器VOA
可变光衰减器VOA
可变光学衰减器VOA
可变光衰减器
可调变式光衰减器
variable optical beamsplitter
voltage-controlling variable optical attenuator
Gigabit passive optical networkPresent and Future of Broadband Optical Access Network