In the illustrated embodiment, {TAIL ~ a plurality} of fiber sensing cables 42 are disposed along the rotor shaft 50 of {HEAD ~ the steam turbine} 22 
In the illustrated embodiment , { TAIL ~ a plurality } of fiber sensing cables 42 are disposed along the rotor shaft 50 of { HEAD ~ the steam turbine } 22
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH