The Keysight 81578A is designed for 50um and 62.5um multimode fiber applications. It features excellent wavelength flatness and can handle input power levels up to +27dBm.

The Keysight 81578A variable optical attenuator is designed for multimode fiber applications and features lowest insertion loss and excellent wavelength flatness over a complete attenuation range of 60 dB for characterizing optical network components for telecomunication and data communication in systems. Features: Built-in Shutter for Power Meter Zeroing Built-in Calibration Capability Benefits: The integrated shutter protects test equipment and simplifies referencing and power meter zeroing without changes in the setup. Enhanced internal calibration feature reduces uncertainties and speeds up calibration in multi wavelength applications.

Key Specifications

  • High Input Power Level: 2W
  • Wide Wavelength Range: 700nm to 1400nm (MM)