{HEAD ~ IR light} from the laser is directed to the spring region of {TAIL ~ the suspension} by optical fibers 
{ HEAD ~ IR light } from the laser is directed to the spring region of { TAIL ~ the suspension } by optical fibers
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH