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Agilent 81577A Optical Attenuator (iVOA)

The Agilent/HP 81577A is an intelligent variable optical attenuator ( iVOA) plug-in module (dual-slot) for Agilent's Lightwave Multichannel Platform 8163, 8164 and 8166 series, used for attenuation and control of high-power applications. Using 9/125 µm single mode optical fibers (SMF28), Agilent 81577A features power control functionality: this HP 81577A module automatically corrects power changes at the input to maintain the output level set by the user. In addition, it provides high power capability (+33 dBm) and excellent wavelength flatness for DWDM applications. Standard applications include characterization of EDFAs, test of Raman amplifiers and multi channel transmission system testing. This high resolution module (0.001 dB) has a typical return loss of 57 dB and is used with an angled fiber connector.

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Agilent 81577A Optical Attenuator with Power Control to set the output power level of the attenuator. This VOA is a "two slots" plug-in module and pairs with the Agilent Mainframes 8163A/B, 8164A/B and 8166 A/B.

Specifications at a glance for the 81577A:

  • Connectivity: Angled Connector, Versatile Interface
  • Fiber type: Singlemode 9/125 µm SMF28
  • Wavelength Range: 1250-1650 nm
  • Attenuation Range: 0-60 dB
  • Resolution: 0.001 dB
  • Accuracy: ±0.1dB
  • Return Loss: typ.57 dB
  • Maximum Input Power: + 33 dBm

Additional Information Two connector interfaces are required for each Agilent 81577A. Each connector is sold separately.

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