Title :
A light diffraction technique for measuring dielectric constants at microwave frequencies
Author :
Auth, D.C. ; Mayer, W.G. ; Thaler, W.J.
Author_Institution :
Georgetown University, Washington D.C., USA
Abstract :
Light diffraction from spatially periodic temperature variations in a transparent solid is reported. Local microwave heating at the antinodes of a standing wave diffracts light; thus a determination of dielectric constant by measurement of the microwave phase velocity is possible.
Keywords :
Dielectric constant; Dielectric measurements; Diffraction; Electromagnetic heating; Frequency measurement; Microwave frequencies; Microwave measurements; Solids; Temperature; Velocity measurement;
Journal_Title :
Proceedings of the IEEE
DOI :
10.1109/PROC.1969.6888
