Agilent/Keysight 83411C Lightwave Receiver

The Agilent/Keysight 83411C Lightwave Receiver is a high-performance optical-to-electrical conversion module engineered for precision measurements across telecommunications, fiber optics testing, and research environments. It converts optical signals in the 1300 nm and 1550 nm bands into electrical signals suitable for analysis on compatible Agilent/Keysight lightwave component analyzers.

– Technical Specifications

• Wavelength Support: 1300 nm / 1550 nm
• Operating Frequency Range: 300 kHz to 6 GHz
• Demodulation Frequency Response (Uncorrected): ±2.0 dB (300 kHz to 6 GHz); ±2.5 dB (3 GHz to 6 GHz)
• Demodulation Frequency Response (Corrected): ±1.5 dB (±0.7 dB typical)
• Responsivity at 50 MHz: 0.45 A/W (-7 dBe nominal)
• Maximum Average Optical Power: 3 mW
• Over Illumination Threshold: 3.5 mW (LED indicator activation)
• Compatible Fiber: 9/125 µm single-mode
• Optical Input Connector: Keyed HMS 10
• RF Output Connector: SMA threaded female

– Key Features

• PIN photodiode detector with high linearity and wide bandwidth characteristics
• Three-stage AC-coupled 50-ohm thin-film hybrid amplifier following the initial detection stage
• Active DC bias circuitry compensating for variations in photocurrent from the PIN diode
• Direct coupling between photodiode and first amplifier stage to minimize standing wave and capacitance effects on frequency response
• Integrated average optical power output (AVG POWER connector) providing proportional output voltage
• Over-illumination detection with visual LED indicator
• Environmental sealing designed for low-loss, low-reflection signal coupling

– Physical Characteristics

• Dimensions: 12 × 12 × 12 in
• Weight: 9.1 lbs

– Compatibility & Integration

The 83411C functions as an accessory module for HP/Agilent 8702 Series and 8703A Lightwave Component Analyzers. Standard Agilent optical interface connectors are included; Agilent 81000xI Series optical interface connectors are available separately.