| 摘要 |
<p>A radiation applicator with a dielectric body 2 surrounding the antenna. The dielectric body 2 is comprised of three sections 3, 4 and 5 with different dielectric constants to provide broad-band matching of the applicator to surrounding material. Washers 10 and 11 are mounted on the antenna to act as reflectors. The reflector 11 preferably has a larger area that reflector 10 so as to reduce the transmission of radiation to the tip of the applicator. The intermediate section of the dielectric body between the reflectors is intended to emit the radiation into the surrounding material. Preferably the radiation is microwave radiation, particularly at frequency of 2.45 Gigahertz and a power of 50 Watts.</p> |
