TY - CONF AU - Jon Geist AU - M. Stapelbroek AU - M. Petroff C2 - SPIE, International Society for Optical Engineering, Test and Evaluation of Infrared Detectors and Arrays, Orlando, FL DA - 1989-12-31 LA - en M1 - 1108 PB - SPIE, International Society for Optical Engineering, Test and Evaluation of Infrared Detectors and Arrays, Orlando, FL PY - 1989 TI - The Absorption Cross Section of As in Si ER -