Microwave Properties of Liquids and Solids, Using a Resonant Microwave Cavity as a Probe

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The frequency shifts and Q changes of a resonant microwave cavity were utilized as a basis for determining microwave properties of solids and liquids. The method employed consisted of varying the depth of penetration of a cylindrical sample of the material into a cavity operating in the TM0 1 0 Mode. The liquid samples were contained in a thin-walled quartz tube. The perturbation of the cavity was achieved by advancing the sample into the cavity along the symmetry axis by employing a micrometer drive appropriately calibrated for depth of penetration of the sample. A differentiation method was used to obtain ... continued below

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v, 66 leaves: ill.

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Hong, Ki H. May 1974.

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  • Hong, Ki H.

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The frequency shifts and Q changes of a resonant microwave cavity were utilized as a basis for determining microwave properties of solids and liquids. The method employed consisted of varying the depth of penetration of a cylindrical sample of the material into a cavity operating in the TM0 1 0 Mode. The liquid samples were contained in a thin-walled quartz tube. The perturbation of the cavity was achieved by advancing the sample into the cavity along the symmetry axis by employing a micrometer drive appropriately calibrated for depth of penetration of the sample. A differentiation method was used to obtain the half-power points of the cavity resonance profile at each depth of penetration. The perturbation techniques for resonant cavities were used to reduce the experimental data obtained to physical parameters for the samples. The probing frequency employed was near 9 gHz.

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v, 66 leaves: ill.

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  • May 1974

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  • May 10, 2015, 6:16 a.m.

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  • March 2, 2017, 11:13 a.m.

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Hong, Ki H. Microwave Properties of Liquids and Solids, Using a Resonant Microwave Cavity as a Probe, dissertation, May 1974; Denton, Texas. (digital.library.unt.edu/ark:/67531/metadc504294/: accessed October 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .