Microwave Heating of a Luneberg Lens

distribution along the axis of the lens is computed both when the focus is at the surface, and also when it is outside the surface at a distance equal to one-tenth of the lens radius. The numerical residts are given in such a form that (he maximum temperature rise is easily deduced when the loss tangent is any linear function of the refractive index of the lens material. In general the maximum steady-state temperature occurs on the axis at some interior point between the center of the lens and the focus. The total power dissipated in the lens is also computed. Finally, a brief discussion is given of the time scale associated 'with transient healing of the lens.