TY - CONF AU - Jinan Zeng AU - George Eppeldauer AU - Leonard Hanssen AU - Vyacheslav Podobedov C2 - Proceedings of SPIE, Baltimore, MD DA - 2012-08-15 LA - en PB - Proceedings of SPIE, Baltimore, MD PY - 2012 TI - Spectral responsivity calibrations of two type pyroelectric radiometers using three different methods ER -