The Santec PEM-320 Polarization Extinction Ratio Meter is a specialized optical instrument for precise measurement of polarization extinction ratio (PER) in optical fibers and components. It simultaneously measures PER, optical power, and polarization angle – essential capabilities for optimizing performance in advanced optical communication systems and R&D applications. The instrument enables accurate alignment of polarization-maintaining fibers to optical components, serving laboratories, system integrators, and manufacturing environments with compact, reliable design built for long-term production use.
Technical Specifications
• PER Measurement Range: 0–30 dB (dynamic range up to 40 dB)
• PER Resolution: 0.1 dB for PER 30 dB
• Optical Power Measurement: mW or dBm display modes
• Polarization Angle Measurement: Degrees; 0° indicates vertical polarization aligned with input connector notch
• Measurement Refresh Rate: 0.1, 0.2, or 0.4 seconds (2.5 Hz)
• Input Power Range (High Power): −10 to +20 dBm
• Wavelength Options: 980 nm, 1310 nm, 1480 nm, 1550 nm
• Photodiode Output: Direct PD analog output with 1 kHz response time for laser diode alignment automation – Key Features • Simultaneous triple-parameter measurement: PER, optical power, and polarization angle
• Selectable measurement speed optimizes capture rate for production or lab workflows
• Direct analog photodiode output enables closed-loop alignment systems
• Wavelength-specific models accommodate diverse fiber optic architectures
• Compact design rated for continuous production-line deployment – Typical Applications • Alignment of optical components to polarization-maintaining fiber (PMF)
• Production-line automation and quality verification
• System integration and component characterization in optical networks – Compatibility & Integration • Control Interfaces: GPIB and RS-232C for remote operation and automated test systems
• Connector Options: FC/APC, FC/SPC; interchangeable connectors (FC, SC, LC) available for specific models
