| 摘要 |
A re-entrant radio frequency cavity geometry for a low-pressure microwave electrodeless lamp such as a compact fluorescent lamp is described. The re-entrant cavity makes use of the properties of a re-entrant coaxial cavity resonator. The electrodeless lamp may be fabricated to have a constant input impedance in both the on and off states. In addition, the lamp starts at a lower drive power than present high efficacy, compact fluorescent lamps.
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