The PDL multimeter PolaChex simultaneously measures the Polarization Dependent Loss (PDL), Insertion Loss (IL), and optical power of a device under test (DUT) in just 30 ms.
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Using a patented maximum and minimum search method (compliant with TIA/EIA-455-198; ref. "Automatic Maximum-Minimum Search Method for Accurate PDL and DOP characterization"), PolaCHEX™ systematically searches for the maximum and minimum transmissions to assure measurement accuracy at all times for devices with both low and high PDL values. It is therefore the most accurate PDL meter available. Even more impressively, PolaCHEX covers a wide wavelength range from 1260 to 1620 nm without wavelength calibration, a clear advantage over PDL meters based on the Mueller Matrix method.