( Faraday Rotator Glass Technical Index) Tb-20 Tb-23 Tb-26 （Verdet)V（Min/Oe.cm) -0.076 -0.066 -0.096 λ=1.06um Retractive Index(n) 1.6998 1.7355 1.7464 Abbe-number 52.4 51 50.07 K Opical Absorption Coefli ...Read More