Determination of the complex permittivity of materials with transmission/reflection measurements in rectangular waveguides
✍ Scribed by Serkan Şimşek; Cevdet Işık; Ercan Topuz; Bayram Esen
- Book ID
- 108051217
- Publisher
- Elsevier Science
- Year
- 2006
- Tongue
- English
- Weight
- 193 KB
- Volume
- 60
- Category
- Article
- ISSN
- 1434-8411
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## Abstract A new measurement technique is presented to determine the complex permittivity of a dielectric material. The dielectric sample is loaded in a short‐circuited rectangular waveguide. The reflection coefficient of the waveguide is measured by Network analyzer and calculated as a function o
output power is lower, as predicted by both approaches. When the reflectivity is small, the oscillation energy is small. Thus, the lasing wavelength has a lower number of photons available for feedback and energy accumulation. At higher reflectivities, although the energy within the cavity is large,