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