A 30 - 300 Ghz broad band dispersive Fourier transform spectrometer for the direct measurement of complex dielectric permittivity and magnetic permeability

Hua Chi

doi:10.1117/12.2301446

1 December 1990 A 30 - 300 Ghz broad band dispersive Fourier transform spectrometer for the direct measurement of complex dielectric permittivity and magnetic permeability

Hua Chi

Author Affiliations +

Proceedings Volume 1514, 15th International Conference on Infrared and Millimeter Waves; 151410 (1990) https://doi.org/10.1117/12.2301446
Event: 15th International Conference on Infrared and Millimeter Waves, 1990, Orlando, FL, United States

Abstract

A new dispersive Fourier transform spectrometer is designed to measure some ferrimagnetic properties such as the resonance line position, the real and imaginary parts of complex magnetic permeability and real and imaginary parts of complex dielectric permittivity as a continuous function of frequency, for the first time in the microwave frequency range as well as up to one millimeter wave frequency range. Our experimental results show that this spectrometer system has enough energy throughput and sensitivity to measure some very lossy and comparatively thicker ferrimagnetic materials.

Citation Download Citation

Hua Chi "A 30 - 300 Ghz broad band dispersive Fourier transform spectrometer for the direct measurement of complex dielectric permittivity and magnetic permeability", Proc. SPIE 1514, 15th International Conference on Infrared and Millimeter Waves, 151410 (1 December 1990); https://doi.org/10.1117/12.2301446

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