Title :
The Absolute Determination of Near Millimetre Wave Power in Free Space
Author :
Moss, D G ; Birch, J.R. ; Martin, D H ; Poulson, G W
Author_Institution :
National Physical Laboratory, Teddington, England.
Abstract :
An absolute power measuring facility for the calibration of free-field power meters at near millimetre wavelengths, is described. Accuracy is two percent at the one milliwatt level, a tenfold improvement over present free field methods. The measuring principle is based on a photo-acoustic cell and is absolutely calibrated by substitution of low frequency a.c. power. This calibration facility is available at the National Physical Laboratory, Teddington, England.
Keywords :
Acoustic beams; Calibration; Electromagnetic measurements; Extraterrestrial measurements; Frequency; Optical films; Plasma measurements; Power measurement; Structural beams; Wavelength measurement;
Conference_Titel :
Microwave Conference, 1988. 18th European
Conference_Location :
Stockholm, Sweden
DOI :
10.1109/EUMA.1988.333898
