Poly-methyl methacrylate optical constants
nm
NK
250	1.5174	0.00025001
260	1.5148	0.00021
270	1.5125	0.0002
280	1.5104	0.00018999
290	1.5086	0.00017
300	1.5069	0.00015
310	1.5054	0.00014
320	1.5041	0.00012
330	1.5028	0.00011
340	1.5017	9.8817e-005
350	1.5007	8.6936e-005
360	1.4997	6.1332e-005
370	1.4988	2.8278e-005
380	1.498	7.0929e-006
390	1.4973	1.2871e-006
400	1.4966	3.1527e-007
410	1.496	2.2039e-007
420	1.4954	1.2641e-007
430	1.4948	1.6996e-007
440	1.4943	1.3823e-007
450	1.4938	1.2682e-007
460	1.4934	0
470	1.4929	0
480	1.4925	0
490	1.4922	0
500	1.4918	0
510	1.4915	0
520	1.4912	0
530	1.4909	0
540	1.4906	0
550	1.4903	0
560	1.4901	0
570	1.4899	0
580	1.4896	0
590	1.4894	0
600	1.4892	0
610	1.489	0
620	1.4888	0
630	1.4887	0
640	1.4885	0
650	1.4883	0
660	1.4882	0
670	1.488	0
680	1.4879	0
690	1.4878	0
700	1.4876	0
710	1.4875	0
720	1.4874	0
730	1.4873	0
740	1.4872	0
750	1.4871	0
760	1.487	0
770	1.4869	0
780	1.4868	0
790	1.4867	0
800	1.4866	0
810	1.4865	0
820	1.4865	0
830	1.4864	0
840	1.4863	0
850	1.4862	0
860	1.4862	0
870	1.4861	0
880	1.486	0
890	1.486	0
900	1.4859	0
910	1.4859	0
920	1.4858	0
930	1.4858	0
940	1.4857	0
950	1.4857	0
960	1.4856	0
970	1.4856	0
980	1.4855	0
990	1.4855	0
1000	1.4854	0