The variable optical attenuator shown here is a device made based on micro electromechanical system (MEMS) technology.It has many advantages,Website:http://www.sopofiber.com, like reliable quality, compact structure, low insertion loss and fast response speed. In addition,this MEMS variable optical attenuator is RoHS compliant and meets Telcordia GR-1221-CORE requirements.As a result, it is widely popular with customers all over the world.Applications1. OADM (optical add-dro multiplexer) 2. VMUX 3. DGE (dynamic gain equalizer) 4. Gain-tilt control in EDFA(erbium doped fiber amplifier) 5. Optical receiver protectionSopofiber is MEMS variable optical attenuator manufacturer in China, we offer MEMS variable optical attenuator,and DWDM OEO converter, wavelength locker, we supply high quality with competitive price, our company is based on China, full chain of manufacturing ASE broadband light source, dispersion compensation fiber module can be completed in China, even in one city.Lower manufacturing cost saves your purchasing cost.The more details of each product are shown the page with description.