Each plurality of optical elements further tiles {TAIL ~ its received corrected optical field} into a plurality of {HEAD ~ third optical fields} 
Each plurality of optical elements further tiles { TAIL ~ its received corrected optical field } into a plurality of { HEAD ~ third optical fields }
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD