The variable optical attenuator (VOA), based on silica-on-silicon planar light-wave circuit (PLC) technology, is actuated with electrical power through thermo-optic effect. The VOA comprises both ‘normally bright’ and ‘normally dark’ types. It achieves high accuracy attenuation in open loop operation, and features fast response time, low insertion loss and low power consumption. The small size of VOA makes it easily integrated onto circuit board. These excellent features give Solorein’s VOA an advantage in WDM, VMUX/DEMUX, OADM and optical network protection applications.                       

Features           ●Compact size           ●Low Insertion loss           ●No Moving Parts           ●High Reliability           ●Wide dynamic range

Applications         ●Channel Balance in WDM system         ●Overload protection         ●Dynamic Gain Equalization         ●Variable Multiplexing/Demultiplexing         ●OADM

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