On the other hand, a small tuning coefficient will yield {TAIL ~ small changes} in {HEAD ~ center wavelength} with temperature 
On the other hand , a small tuning coefficient will yield { TAIL ~ small changes } in { HEAD ~ center wavelength } with temperature
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH