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