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