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.
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