The temperature tuning coefficient is a measure of {HEAD ~ the center wavelength dependence} on {TAIL ~ temperature} 
on
The temperature tuning coefficient is a measure of { HEAD ~ the center wavelength dependence } on { TAIL ~ temperature }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL