--- /dev/null
+Schott LaK N14, 334nm - 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 1.50781212E+00;\r
+B2 3.18866829E-01;\r
+B3 1.14287213E+00;\r
+C1 7.46098727E-03;\r
+C2 2.42024834E-02;\r
+C3 8.09565165E+01;
\ No newline at end of file