The Keysight 81566A is a plug-in optical attenuator module for the Lightwave Solution Platform that delivers precise control of optical power levels across the C and L bands. It combines variable attenuation with integrated power control functionality, enabling users to set a specific output power level directly while automatically compensating for input power fluctuations. This ensures stable output power independent of source variations, making it ideal for demanding photonic test environments.
Technical Specifications
• Wavelength range: 1250 nm to 1650 nm
• Attenuation range: 0 dB to 60 dB
• Attenuation resolution: 0.001 dB
• Attenuation accuracy: ±0.1 dB
• Return loss: Typically 45 dB
• Maximum input power: +22 dBm
• Fiber type: Singlemode 9/125 µm SMF28
– Key Features
• Integrated power control with automatic input power compensation
• Two-slot plug-in module design
• Operating temperature range: 0°C to +55°C
• Storage temperature range: -40°C to +70°C
• Humidity: < 95% RH (0°C to 40°C)
• Straight connector interface with versatile compatibility
– Typical Applications
• Bit Error Rate (BER) testing
• DWDM channel equalization
• Power meter linearity testing and calibration
• Optical power level regulation in laboratory and production environments
– Compatibility & Integration
The 81566A integrates directly into Keysight's Lightwave Solution Platform. Compatible mainframes include the 8163A/B, 8164A/B, and 8166A/B. The module operates as a precision attenuator and power controller within these integrated test systems, providing automated optical power management for multi-instrument measurement workflows.
