| 摘要 |
<p>The present invention relates a microwave applicator for heating a sample by microwave radiation comprising a source of microwave radiation, and a transmission duct for transmitting said microwave radiation from said source to said sample, said transmission duct having at least one external wall defining an internal space for the propagation of said microwave radiation, said at least one wall comprising an interface which is at least partially permeable to said microwave radiation, said transmission duct comprising a tapering portion having an internal cross-section perpendicular to a direction of propagation of said microwave radiation, wherein said internal cross-section tapers along the direction of propagation of said microwave radiation, said interface being at least partially arranged within said tapering portion.</p> |
