{TAIL ~ Data} from {HEAD ~ the look up table} drives a piezoelectric positioning mechanism that is physically coupled to a substrate carrying both the detector and the image source 
{ TAIL ~ Data } from { HEAD ~ the look up table } drives a piezoelectric positioning mechanism that is physically coupled to a substrate carrying both the detector and the image source
TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH