The extraction efficiency of {HEAD ~ LED} 100 can be further understood by considering {TAIL ~ the Fourier transform} of the dielectric function that varies spatially according to pattern 150 
The extraction efficiency of { HEAD ~ LED } 100 can be further understood by considering { TAIL ~ the Fourier transform } of the dielectric function that varies spatially according to pattern 150
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH