The extraction efficiency is proportional to {HEAD ~ the magnitude} of {TAIL ~ the corresponding Fourier component} of the dielectric function ∈G given by 
of
The extraction efficiency is proportional to { HEAD ~ the magnitude } of { TAIL ~ the corresponding Fourier component } of the dielectric function ∈G given by
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH