@conference{11596, author = {Jinan Zeng and Leonard Hanssen and Ibrahim Reda and Jonathan Scheuch}, title = {Preliminary characterization study of a gold-coated concentrator for hemispherical longwave irradiance measurements}, year = {2010}, month = {2010-11-15}, publisher = {SPIE Optics + Photonics, San Diego, CA}, language = {en}, }