Non-contact thermometer behavior of (Y0.5In0.5)2O3:Yb3+,Er3+ solid solution

The optical temperature sensitivity of the non-contact thermometer (Y 0.5 In 0.5 ) 2 O 3 :Yb 3+ ,Er 3+ oxide solid solution is investigated systematically. The maximum absolute sensitivity is 0.316% K −1 at 503 K.