wavel.	cross section	standard deviation
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380	4.04e-19	6.0e-21
390	4.28e-19	2.4e-20
400	4.52e-19	3.3e-20
410	4.82e-19	1.8e-20
420	4.68e-19	1.6e-20
430	4.48e-19	1.5e-20
440	4.31e-19	2.7e-20
450	3.95e-19	2.2e-20
460	3.72e-19	1.8e-20
470	3.29e-19	1.8e-20
480	3.10e-19	2.4e-20
490	2.83e-19	2.0e-20
500	2.33e-19	1.5e-20
510	2.39e-19	1.5e-20
520	2.04e-19	1.3e-20
530	1.88e-19	1.4e-20
540	1.62e-19	1.2e-20
550	1.53e-19	1.1e-20
560	1.18e-19	8.2e-21
570	1.22e-19	1.0e-20
580	1.06e-19	8.6e-21
590	9.97e-20	5.2e-21
600	8.63e-20	4.5e-21
610	7.14e-20	0.00
620	6.96e-20	7.4e-22
630	5.73e-20	7.4e-22
640	5.06e-20	1.1e-21
650	4.50e-20	1.1e-21
660	3.65e-20	1.3e-21
670	3.61e-20	8.6e-22
680	3.61e-20	8.9e-22
690	2.82e-20	7.1e-22
700	2.48e-20	9.7e-22
710	2.28e-20	9.7e-22
720	1.90e-20	3.7e-23
730	1.74e-20	2.2e-22
740	1.57e-20	4.8e-22
750	1.44e-20	1.5e-22
760	1.13e-20	2.2e-22