Antenna arrangements
A microwave reflector includes a substrate 4 which is transparent to visible radiation. An array of cavities 5 is distributed over the front surface of the substrate 4 and has dimensions such that thermal radiation is affected by the surface deviations whilst microwave radiation is substantially una...
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | A microwave reflector includes a substrate 4 which is transparent to visible radiation. An array of cavities 5 is distributed over the front surface of the substrate 4 and has dimensions such that thermal radiation is affected by the surface deviations whilst microwave radiation is substantially unaffected. This reduces solar heating at the microwave focus. Other arrangements include projecting elements and arrays an both the front and rear surface of a substrate. |
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