The SXUV UV/extreme UV photodiodes from International Radiation Detectors (IRD) Inc., Torrance, CA, has very high radiation hardness and are designed for long lifetime operation in high particle flux environments with no loss of responsivity. SXUV 100 photodiodes feature a 10 by 10 mm square active area. Diodes with single active areas are available from 1–576 mm2; quadrant diodes with several central openings may also be specified. Other features include a nitrided metal silicide front window, no observable responsivity loss after exposure to billions of 157 and 193 nm pulses and exposure to 8 W/cm2 of CW 248 nm laser irradiance for 3 weeks.
International Radiation Detectors (IRD) Inc.