A Fabry-Perot resonator system for mm-wave dielectric measurements at cryogenic temperatures

R. Heidinger

doi:10.1117/12.2301447

1 December 1990 A Fabry-Perot resonator system for mm-wave dielectric measurements at cryogenic temperatures

R. Heidinger

Proceedings Volume 1514, 15th International Conference on Infrared and Millimeter Waves; 151411 (1990) https://doi.org/10.1117/12.2301447
Event: 15th International Conference on Infrared and Millimeter Waves, 1990, Orlando, FL, United States

Abstract

A measurement system is presented which analyzes between 143 GHz and 146 GHz three consecutive TEM_ooq modes of a hemispherical Fabry-Perot resonator mounted into a gas flow cryostat. The major factors that determine the accuracy of the observed dielectric parameters are discussed. It is found that low dielectric loss can be measured at a level of tan δ = 10^-5 which is exemplified for AI₂O₃ studied between 90 K and 330 K.

Citation Download Citation

R. Heidinger "A Fabry-Perot resonator system for mm-wave dielectric measurements at cryogenic temperatures", Proc. SPIE 1514, 15th International Conference on Infrared and Millimeter Waves, 151411 (1 December 1990); https://doi.org/10.1117/12.2301447

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