Agilent HP AGILENT 81521B 900 to 1700 nm Ge Optical Head

The Agilent 81521B Optical Head with Sensor Element cooled Ge PIN diode and a Sensor Diameter of 5mm. Specifications. Wavelength Range: 900 to 1700 nm. Power Range: +3 to -80 dBm (-64 dBm Option 001). Uncertainty (Accuracy) at Reference Conditions: ±2.2% (1000 to 1650 nm). Total Uncertainty: ±4% ±50pW (±600pW Option 001), 1000 to 1650 nm. Linearity (Power) 18° to 28°C, Constant Temperature: +0 to -60 dBm (-44 dBm Option 001), ±0.04 dB, ±50 pW (±600pW Option 001). Noise (Peak-to-Peak) (Avg. Time 1 second): <0 pW (<00pW Option 001), 1200 to 1600 nm.