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