--- /dev/null
+Schott LaF N23, 365nm - 2325nm\r
+USER\r
+2 1\r
+SQRT(1+B1*wvl^2/(wvl^2-C1)+B2*wvl^2/(wvl^2-C2)+B3*wvl^2/(wvl^2-C3))\r
+0\r
+B1 1.65263149E+00;\r
+B2 1.39745768E-01;\r
+B3 9.38734334E-01;\r
+C1 9.31143124E-03;\r
+C2 3.91167497E-02;\r
+C3 9.82388615E+01;
\ No newline at end of file