Spatially resolved temperature data are obtained through correlation of {HEAD ~ the detected photoluminescence signal} with {TAIL ~ location} within the glass 
Spatially resolved temperature data are obtained through correlation of { HEAD ~ the detected photoluminescence signal } with { TAIL ~ location } within the glass
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH