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Agilent 81561A Optical Attenuator

The Agilent/HP 81561A is a variable optical attenuator plug-in module (single slot) for Agilent's Lightwave Multichannel Platform 8163, 8164 and 8166 series. Small and cost effective, this HP81561A module offers high resolution (.001dB) for single wavelength applications. Using 9/125 um single mode optical fibers (SMF28), Agilent 81561A features an integrated shutter which can be used for protection purposes or to simulate channel drops if available. In addition, by entering the operating wavelength, the instrument automatically applies the appropriate corrections. Typical return loss is 60dB; Angled fiber connector.

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Agilent 81561A Optical Attenuator. This VOA is a "one slot" plug-in module and pairs with the Agilent Mainframes 8163A/B, 8164A/B and 8166 A/B.

Specifications at a glance for the 81561A:

  • Connectivity: Angled Connector, Versatile Interface
  • Fiber type: Singlemode 9/125 µm SMF28
  • Wavelength Range: 1200-1700 nm
  • Attenuation Range: 0-60 dB
  • Resolution: 0.001 dB
  • Accuracy: ±0.1dB
  • Return Loss: typ. 60dB
  • Maximum Input Power: + 22 dBm

Additional Information

Two connector interfaces are required for each Agilent 81561A. Each connector is sold separately.

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