Low-Cost, High-Performance Visible/(V)UV/Near-IR Photon Detection

a. Low-Cost, High-Performance Visible/(V)UV/Near-IR Photon Detection Detectors for particle physics need to cover large areas with highly sensitive photodetectors. Experiments require combinations of the following properties: 1) Wavelength sensitivity in the range 100 to 1100 nm over large photosensitive areas; 2) Fast response, radiation hardness, magnetic field compatibility, and high quantum efficiency for collider and intensity frontier experiments; 3) Compatible with cryogenic operation and built with low-radioactivity materials for neutrino and dark matter experiments; and 4) Low cost and high reliability. Technologies using modern manufacturing processes and low cost materials are of interest. These include use of semiconductor-based avalanche photodiodes (APD) and Geiger mode APD arrays, SiPM arrays, large area microchannel plate-based systems (highly-pixilated, fast readback with position resolution of less than 0.3 mm and time resolution of less than 100 ps), new alkali and non-alkali photocathode materials, and high volume manufacturing of large-area, ultra clean, sealed vacuum assemblies. For collider and intensity frontier experiments, grant applications are sought to develop and advance the wide-band gap solid-state photodetector technology with internal gain that has low dark current, good radiation hardness, and reduced gain sensitivity to temperature. Questions Contact: Helmut Marsiske, helmut.marsiske@science.doe.gov