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Intrinsic Quality Factor Extraction of Multi-Port Cavity with Arbitrary Coupling
Accelerator Physics · Submitted 14 May 2020
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim The resulting formulas can be used to extract intrinsic quality factor of normal conducting and superconducting cavities directly from calibrated S-parameter measurements.
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The abstract, sentence by sentence
We derived S-parameter based expressions for the intrinsic quality factor of an arbitrary coupled multiport microwave cavity and non-ideal test fixture. Practical accuracy limitations of the obtained expressions specifically for superconducting accelerator cavities were evaluated both analytically and with the simulation software. The resulting formulas can be used to extract intrinsic quality factor of normal conducting and superconducting cavities directly from calibrated S-parameter measurements.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | We derived S-parameter based expressions for the intrinsic quality factor of an arbitrary coupled multiport microwave cavity and non-ideal test fixture. | contribution 0.86 | 0.96 | 0.22 | asserted 1.00 |
| s1 | Practical accuracy limitations of the obtained expressions specifically for superconducting accelerator cavities were evaluated both analytically and with the simulation software. | limitation 0.33 | 0.94 | 0.10 | asserted 1.00 |
| s2 | The resulting formulas can be used to extract intrinsic quality factor of normal conducting and superconducting cavities directly from calibrated S-parameter measurements. | interpretation 0.45 | 0.74 | 0.67 | asserted 0.81 |
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The paper
Original abstract
We derived S-parameter based expressions for the intrinsic quality factor of an arbitrary coupled multiport microwave cavity and non-ideal test fixture. Practical accuracy limitations of the obtained expressions specifically for superconducting accelerator cavities were evaluated both analytically and with the simulation software. The resulting formulas can be used to extract intrinsic quality factor of normal conducting and superconducting cavities directly from calibrated S-parameter measurements.
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