--- /dev/null
+Schott SSK 50, 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 1.45562999E+00;\r
+B2 1.13575966E-01;\r
+B3 9.69520910E-01;\r
+C1 8.70103680E-03;\r
+C2 3.78429476E-02;\r
+C3 1.10109218E+02;
\ No newline at end of file