TY - JOUR AU - Alan Migdall AU - A Frenkel AU - Daniel Kelleher C2 - Journal of Research of the National Institute of Standards and Technology DA - 1993-01-01 LA - en M1 - 98 PB - Journal of Research of the National Institute of Standards and Technology PY - 1993 TI - Filter Transmittance Measurements in the Infrared ER -