The LeCroy OE325 is an Optical-to-Electrical (O/E) converter module that transforms optical signals into electrical signals for analysis on LeCroy oscilloscopes equipped with ProBus intelligent probe interfaces. It enables direct measurement of modulated and continuous optical power in telecommunications and fiber-optic applications, with calibration optimized for 1310 nm single-mode fiber transmission.
Technical Specifications
• Bandwidth: DC to 1.5 GHz
• Wavelength Range: 950 nm to 1600 nm
• Optical Input: Single-mode fiber
• Operating Temperature: 0°C to 50°C
• Operating Altitude: Up to 6000 m
• Relative Humidity: Up to 95%, non-condensing
• Weight: 85 g
– Key Features
• Accepts single-mode fiber optical input and outputs electrical signals compatible with oscilloscope vertical channels
• Measures DC, AC, and impulse light intensities with automatic unit conversion to Watts
• Calibrated for 1310 nm wavelength light propagating in single-mode fiber; calibration referenced to the probe’s electrical connector
• Functions as an Optical Reference Receiver (ORR) when filtered to ITU-T G.957 specifications on designated oscilloscope channels
• ORR capability requires vertical scale settings between 0.7 mW/div and 0.01 mW/div and sampling rates of 4 GS/s or 6 GS/s
• ORR transfer function based on Fourth order Thompson-Bessel Polynomial
• Certificate of calibration supplied; recalibration recommended at regular intervals
– Typical Applications
• Telecommunications signal analysis using 1310 nm modulated light
• Optical power measurement in fiber-optic systems
• ITU-T G.957 compliant optical receiver characterization
– Compatibility & Integration
• ProBus intelligent probe interface for connection to LeCroy oscilloscopes
• ORR capability supported on LC564, LC584, and WMA-120 instruments
• Compatible with most Teledyne LeCroy instruments featuring ProBus connectors
• ORR characteristics apply to one designated channel per matched oscilloscope

















