--- /dev/null
+Schott BaSF 52, 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 1.63872281E+00;\r
+B2 1.84589266E-01;\r
+B3 1.00747347E+00;\r
+C1 9.93238976E-03;\r
+C2 4.62893289E-02;\r
+C3 8.16163799E+01;
\ No newline at end of file