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