{HEAD ~ A device} includes a stationary, rotary component, and {TAIL ~ a fiber optic sensing system} 
{ HEAD ~ A device } includes a stationary , rotary component , and { TAIL ~ a fiber optic sensing system }
HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL