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Material Characterization Improvement in High Temperature Rectangular Waveguide Measurements

Material Characterization Improvement in High Temperature Rectangular Waveguide Measurements

Paperback

Technology & EngineeringGeneral EducationPhysics

ISBN10: 1249595495
ISBN13: 9781249595496
Publisher: Biblioscholar
Published: Oct 9 2012
Pages: 100
Weight: 0.33
Height: 0.21 Width: 6.14 Depth: 9.21
Language: English
This research presents a method using modal analysis by which electromagnetic characterization of materials in a partially filled rectangular waveguide, having a single top air gap, can be accurately performed. Thermal expansion of waveguides commonly occurs during high-temperature measurements, resulting in air gaps between the sample and waveguide walls. Higher order modes are excited by the discontinuous geometry, which are not accounted for in most closed form extraction algorithms.

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