81578A Variable Optical Attenuator Module for Multimode Fiber Applications主要技術規格High Input Power Level: 2WWide Wavelength Range: 700nm to 1400nm (MM)敘述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 ZeroingBuilt-in Calibration CapabilityBenefits: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.