Patent ID: 8823163

Claim:
An antimony-free glass comprising: V 2 O 5 ≧30 and ≦60 mole %; P 2 O 5 ≧5 mole % and ≦20 mole %; ZnO 0-10 mole %; Bi 2 O 3 0-5 mole %; Fe 2 O 3 ≧10 mole % and ≦25 mole %; TiO 2 ≧5 mole % and ≦20 mole %; TeO 2 ≧5 mole % and ≦20 mole %; and wherein TiO 2 +Fe 2 O 3 is in a range from 20 mole % to 35 mole %.