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Updated: Jul 3, 2025

High Speed Sub-GHz Spectrometer for Brillouin Scattering Analysis
Published on: December 22, 2015
Development of a high-frequency dielectric spectrometer using a portable vector network analyzer
Aitor Erkoreka1, Josu Martinez-Perdiguero1
1Department of Physics, Faculty of Science and Technology, University of the Basque Country UPV/EHU, Bilbao, Spain.
Abstract:
A simple and novel setup for high-frequency dielectric spectroscopy of materials has been developed using a portable vector network analyzer. The measurement principle is based on radio frequency reflectometry, and both its capabilities and limitations are discussed. The results obtained on a typical liquid crystal prove that the device can provide reliable spectra between 107 and 109 Hz, thus extending the capabilities of conventional impedance analyzers.
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