Hybrid Photo Diodes PHOTONIS products have led the industry in electro-optics and image intensiers for over 35 years. We supply standard and custom products and offer expert, personal service designed to meet the rigorous demands of signal amplication and night vision applications. Our unrivaled expertise in designing and manufacturing Hybrid Photo Diodes and related technologies allows us to combine the sensitivity of photomultiplier tubes with the excellent spatial and energy resolution of silicon sensors. PHOTONIS HPDs ensure the most sensitive and highly-integrated systems available.

PHOTONIS brings you the most advanced detection solutions in the world. Photon counters are used to detect each photo-electron almost without any noise in many different types of applications. A photon counter is able to record each event. Each event will then be judged by the electronics: low gain events will be rejected. The low gain tail of the Pulse Height Distrubition (PHD) is noise. The peaked part represents the real events. By putting the discrimination level in the valley, the optimal setting for a photon counter is achieved. A low valley characterises a high quality photon counter....

Hybrid Photo Diodes HPD Overview • Electrostatically focused HPDs 1 pixel • Proximity focused HPDs Multi-pixel HPD Photon Electron Spectrum Other (custom designed) pixel layouts are possible HPD Uniformity Plot Typical Dark Count Rate Levels Photocathode DCR (counts/cm²/sec) at 20°C Solar blind <5 S20UV < 150 S-20 < 1500 Hot-S25 < 50000 Photocathode Spectrum Characteristics (on quartz) HPD 72mm HPD 72 mm Photocathodes deposited on Fiber Optic window are ~20% less sensitive and cut at 400 nm

For more information, please visit www.photonis.com PHOTONIS USA Inc. Visit address Dwazziewegen 2 9301 ZR Roden The Netherlands Visit address Sturbridge Business Park 660 Main street Sturbridge, MA 01566 United States of America Mail address P.O. Box 60 9300 AB Roden The Netherlands Mail address P.O. Box 1159 Sturbridge, MA 01566 United States of America T +33 (0)50 501 8808 F +33 (0)50 501 1456 T +1 800 648 1800 (US & Can) T +1 508 347 4000 (Intl calls) F +1 508 347 3849 Email: [email protected] Email: [email protected] The information furnished is believed to be accurate and reliable,...