TY - CONF AU - Paul Hale AU - David Humphreys AU - A. Gifford C2 - Proc., SPIE, Technologies for Optical Fiber Communications, , Los Angeles, CA DA - 1994-01-01 00:01:00 LA - en M1 - 2149 PB - Proc., SPIE, Technologies for Optical Fiber Communications, , Los Angeles, CA PY - 1994 TI - Photodetector Frequency Response Measurements at NIST US and NPL UK: Preliminary Results of a Standards Laboratory Comparison ER -