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The Advantest Q82215 Long Wavelength General-Purpose optical sensor for the Q8221 assures high accuracy of ±2.5% at calibration point. In broad band wavelength region, it assures ±4.5% accuracy by compensating the sensitivity curve over wavelengths of each sensors. Further more, the linearity of ±0.5% is assured. Specifications. Wavelength Range: 800 to 1750 nm. Power Range: -60 to +10 dBm. Power Max: 20 mW (CW), 20 mW (CHOP). Sensor Element: Ge 5mm. Measurement Accuracy At Calibration Wavelength: ±3.0% (CW), ±4.0% (CHOP) 1300 nm 1 mW. Linearity (At Averange Time 1 sec.): ±0.5%±1 nW -37 to +10 dBm 23±3°C. Noise Level At Averaging Time 1 sec: -60 dBm. Polarization Dependence (at wavelength 1550 nm): 0.03 dBp-p (Typical). Return Loss With APC,or slanted Rubbed Connector: 60 dB or more.
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