--- /dev/null
+Schott SF L6, 405nm - 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 1.78922056E+00;\r
+B2 3.28427448E-01;\r
+B3 2.01639441E+00;\r
+C1 1.35163537E-02;\r
+C2 6.22729599E-02;\r
+C3 1.68014713E+02;
\ No newline at end of file