@conference{765101, author = {Paul Hale and David Humphreys and A. Gifford}, title = {Photodetector Frequency Response Measurements at NIST US and NPL UK: Preliminary Results of a Standards Laboratory Comparison}, year = {1994}, number = {2149}, month = {1994-01-01 00:01:00}, publisher = {Proc., SPIE, Technologies for Optical Fiber Communications, , Los Angeles, CA}, language = {en}, }