{HEAD ~ A laser carrier} is passively aligned to an MT interface using alignment structures on {TAIL ~ a replicated carrier} 
is passively aligned on
{ HEAD ~ A laser carrier } is passively aligned to an MT interface using alignment structures on { TAIL ~ a replicated carrier }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL