The processing optic tiles the first optical field into {HEAD ~ a plurality} of {TAIL ~ second optical fields} 
of
The processing optic tiles the first optical field into { HEAD ~ a plurality } of { TAIL ~ second optical fields }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL