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Fabry–Perot‐based approach for the measurement of complex permittivity of samples inserted in resonant cavities
Author(s) -
André P. S.,
Costa L. C.,
Devesa S.
Publication year - 2004
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.20390
Subject(s) - permittivity , microwave , resonant cavity , microwave cavity , materials science , measure (data warehouse) , dielectric permittivity , dielectric , optoelectronics , relative permittivity , fabry–pérot interferometer , optics , electronic engineering , physics , engineering , computer science , telecommunications , wavelength , database , laser
A new approach to measure the complex dielectric permittivity of materials placed inside a microwave resonant cavity is presented. We exploit the similarity between the microwave cavity and an optical cavity to develop a new measurement technique, which is used to obtain the complex permittivity of a polybutylene terephtalate (PBT). © 2004 Wiley Periodicals, Inc. Microwave Opt Technol Lett 43: 106–108, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20390