{HEAD ~ A laser carrier} is passive aligned to an MT interface using {TAIL ~ alignments structures} on a low cost replicated carrier 
{ HEAD ~ A laser carrier } is passive aligned to an MT interface using { TAIL ~ alignments structures } on a low cost replicated carrier
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH