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OA5 | Benchtop Optical Attenuator

The OA5 Benchtop Optical Attenuators enable precise optical power control featuring high accuracy and superior repeatability.

The OA5’s are ideal for lab and production applications including power level adjustment in automated test systems, Bit Error Rate Testing (BERT) of transmitters and receivers, and channel equalization in WDM systems.

The OA5 model is a benchtop instrument offering dynamic range of up to 100 dB (depending on the model configuration). The OA5 remote interface can be controlled via GPIB, RS232, USB*, or locally via the user-friendly front panel keypad and display, simplifying the selection and confirmation of attenuation levels.

OA5 series attenuators may be calibrated to particular wavelengths and made to a variety of configuration options offering flexibility for all applications.

*USB interface via-USB-DB9 adapter


  • Manufacturing production testing
  • BERT testing
  • Channel equalization

Key Features

  • Precise optical power
  • ± 0.1 dB Accuracy
  • ± 0.01 dB Repeatability
  • 100 dB Dynamic range
  • Optional new Flexcore
  • 5/125 μm Fiber testing

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Over 40 countries and across 6 continents where JGR Products are being used.