High Speed Variable Optical Attenuator
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PCThe Lightwaves2020’s high-speed Variable Optical Attenuator (VOA) is based on novel optical material offering fast response in µs, in contrast with conventional LC-based VOAwith speed in ms. The dramatic increase in response speed enables the new VOA suitable for demanding 40Gbs applications.
An optional driver-PCB, on which the VOA is mounted, is provided. The device is driven by 0-5 VDC voltage to produce required optical power attenuation and
switching

 
Features/Benefits
  • High speed (µs) attenuation control
  • Broadband wavelength ranges
  • No moving parts and continuous tuning
  • Low insertion loss
  • Low PDL over operating wavelength range
  • Solid state technology
Applications
  • Channel balance in DWDM systems
  • Power equalization in optical add/drop and optical cross-connects
  • Gain-tilt and power adjustment in EDFAs
  • Receiver protection
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