# data from www.luxpop.com database
# ;  Optical constants for Cu
# ; 
# ;   taken from:
# ;
# ;   'Handbook of Optical Constants of Solids', Ed. by Edward D. Palik,
# ;   Academic Press, Inc., 1985.
# ;   
# ;    Lambda (A)            n            k
# ;-----------------------------------------
309.950012 1.720000
326.263000 1.810000
344.389008 1.870000
364.647003 1.950000
387.437988 2.210000
413.266998 2.210000
442.785980 2.360000
476.846008 2.500000
516.583008 2.600000
539.044006 2.590000
563.545044 2.600000
590.381042 2.810000
619.900024 3.240000
652.526001 3.670000
670.162048 3.860000
688.778015 4.050000
708.456970 4.240000
729.294006 4.430000
826.533020 5.260000