81570A Variable Optical Attenuator Module

Overview The Keysight 81570A variable optical attenuator provides ultra-low insertion loss and excellent wavelength flatness over a full 60 dB attenuation range for characterizing optical network components in telecom and datacom systems. Features: Attenuation range: 0 dB to 60 dB High input power level: 2W Wavelength flatness: < 0.05dB High attenuation accuracy: < 0.1 dB Repeatability: < 10 mdB Low PDL, PMD, CD to ensure low signal distortion Wide wavelength range: 1200 nm to 1700 nm (single mode) Built-in shutter provides power meter zeroing capability Built-in calibration function Advantages: Excellent optical performance with minimal impact on input signals, allowing more accurate testing of transmission systems and components Unique combination of optical performance parameters allows you to use modular attenuators flexibly and repeatedly in a variety of settings and applications Integrated shutter protects test equipment and simplifies positioning and zeroing of power meters (without changing setup) Enhanced internal calibration capabilities reduce uncertainty in multi-wavelength applications and improve calibration efficiency