TY - CONF AU - Jinan Zeng AU - Leonard Hanssen AU - Ibrahim Reda AU - Jonathan Scheuch C2 - SPIE Optics + Photonics, San Diego, CA DA - 2010-11-15 LA - en PB - SPIE Optics + Photonics, San Diego, CA PY - 2010 TI - Preliminary characterization study of a gold-coated concentrator for hemispherical longwave irradiance measurements ER -