The Agilent 81525A High Powered Optical Head Interface is a precision optical power sensor designed for accurate measurement across the near-infrared spectrum. This tested and calibrated unit integrates with Agilent lightwave multimeter mainframes to deliver stable, repeatable results in telecom, fiber optic, and component validation environments. The InGaAs sensor element operates across 800 nm to 1650 nm, supporting power measurements from -70 dBm to +27 dBm with ±3% accuracy.
Technical Specifications
• Sensor Type: InGaAs (Indium Gallium Arsenide)
• Wavelength Range: 800 nm to 1650 nm
• Power Measurement Range:
– 1250–1650 nm: -70 dBm to +27 dBm
– 800–1250 nm: -70 dBm to +23 dBm
• Measurement Accuracy: ±3%
• Sensor Element Size: 5 mm
• Connector Interface: Magnetic D-shape adapter with stable stand
• Attenuation at 850 nm (AL-type): Laser-printed on lens; requires CAL parameter entry into mainframe
– Key Features
• Low polarization-dependent loss (PDL) optimized for precision optical component testing
• Minimal spectral ripple and high return loss characteristics
• Magnetic mounting adapter for repeatable sensor positioning
• Fresh calibration to OEM specifications with label and calibration report
• NIST traceable calibration available
– Typical Applications
• Production line testing of optical transmitters and receivers
• Research and development fiber optic characterization
• Validation of precision optical component performance
• High-power laser and amplifier output measurement
– Compatibility & Integration
• Mainframe Interface: Via 81533B Optical Head Interface Module
• Compatible Mainframes: 8153A, 8163, and 8166 Agilent/HP series
• Required Module: 81533B Optical Head Interface Module
