Newport 918D-IR-OD3R Optical Head

The 918D-IR-OD3 Germanium Photodetector for low optical power measurements. Features include integrated calibration-data storage, built-in OD3 attenuation filter with automatic On/Off detection, and temperature sensing electronics for temperature drift compensation. Germanium (Ge) photodetector NIST-traceable calibrated for 780-1800 nm optical power measurements. Compatible with DB15 based Newport Power Meters. Includes a certificate of calibration with calibration curves and data for both attenuator on and off conditions.