In {TAIL ~ one embodiment}, {HEAD ~ the fiber sensing cables} 42 are configured inside the rotor shaft 50 or casing such as in a bore, cavity, or channel 
In
In { TAIL ~ one embodiment } , { HEAD ~ the fiber sensing cables } 42 are configured inside the rotor shaft 50 or casing such as in a bore , cavity , or channel
REL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH