摘要 |
A light source comprising a lucent waveguide of solid dielectric material having: an at least partially light transmitting Faraday cage surrounding the waveguide, a bulb cavity within the waveguide and the Faraday cage and an antenna re-entrant within the waveguide and the Faraday cage and a bulb having a microwave excitable fill, the bulb being received in the bulb cavity.
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