Precision Variable Optical Attenuator Programmable Array System

  • Net-ready
  • Precision Feedback Control
  • SM/MM
  • Broadband
  • Power Tap Control
  • Very Low Loss
  • Highly Repeatable
  • High Speed
  • High Resolution
  • Large Attenuation

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The VOA Array Rack System is highly versatile and capable of meeting performance requirements for all application scenarios. The system integrates monitoring power taps to provide high-precision control of laser output power. Power control is lower in cost than attenuation control. Many types of VOAs can be selected. MEMS VOAs offer low cost and 70dB shut-off. Electro-optical NanoSpeedTM VOAs offer a 300ns fast response and a high-speed laser power stabilization function that eliminates fluctuations and surges. Fiber-FiberTM VOAs offer ultra-broadband coverage from 200 to 2500nm, compatible with all types of fibers and ultra-low insertion loss.
The system is a modular pluggable design that accommodates any number of channels in a single system with various corresponding rack heights. Each plug-in contains up to 8 channels using compact LC connectors, and a 1U system can be configured to have 24 channels. Only the VOAs on the same plug-in module can be controlled simultaneously. There is a short time delay to control VOAs on other modules. The same system can further integrate other modules, such as switches, power monitors, and dispersion compensators…. The standard control interface is ethernet; other control methods may be available per request. A standard Web-based GUI is included.


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