The HP/Agilent 81530A is a single-channel optical power sensor module designed for integration with Agilent/HP lightwave multimeters and mainframes including the 8153A, 8163, and 8166 series. Built around a Silicon photodiode sensor element, this module delivers accurate optical power measurements across the visible and near-infrared spectrum. It operates across a broad dynamic range, making it suitable for fiber optics testing, research, and telecommunications applications where precise power characterization is critical.
Technical Specifications
• Sensor Type: Si photodiode
• Wavelength Range: 450 nm to 1020 nm
• Power Range: +3 dBm to -100 dBm
• Measurement Accuracy: ±2.5% (600 nm to 1020 nm at reference conditions)
• Power Linearity: ±0.015 dB ±0.3 pW (18 °C to 28 °C, constant temperature); ±0.03 dB calibration uncertainty
• Noise (peak-to-peak, 1 second averaging): <0.5 pW (700 nm to 900 nm)
• Noise Equivalent Power: <10 pW/√Hz
• Rise Time: <1.5 ns
• Analog Output: DC to 4000 Hz bandwidth; 0–2 V into open circuit; 600 Ω output impedance typical
• Warm-up Time: 20 minutes
• Recalibration Interval: 2 years
– Key Features
• Single-channel architecture optimized for point measurements
• Covers 450 nm to 1020 nm wavelength span with ±2.5% accuracy
• Extended dynamic range from +3 dBm to -100 dBm
• Sub-nanosecond rise time enables fast transient capture
• Low noise floor (<0.5 pW) suitable for low-level optical detection
• Analog output compatible with standard test equipment interfaces
– Typical Applications
• Fiber optic power budget and loss measurement
• Visible and near-infrared light source characterization
• Optical component testing and validation
• Research and development in photonics
– Compatibility & Integration
Module interfaces directly with HP/Agilent 8153A, 8163, and 8166 series mainframes. Standard Agilent optical connectors are included; 81000xI Series optical interface connectors are available separately.
