Polarizations controllers Upeka Trading Products Polarizations controllers MPC-202 – Advanced Multifunction Polarization Controller PMD-1000 – PMD Source PDLE-101 – PDL Emulator PSY-201 – Polarization Synthesizer-Analyzer POS-203 – Polarization Stabilizer, 3 Port POS-202 – Polarization Stabilizer, 2 Port PCD-104 – Polarization Scrambler OFDR-1000A – Polarization Analyzing Optical Frequency Domain Reflectometer PSGA-101 – Polarization Measurement System