# 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 1.340000
326.263000 1.340000
344.389008 1.310000
364.647003 1.270000
387.437988 1.180000
413.266998 1.180000
442.785980 1.170000
476.846008 1.150000
516.583008 1.120000
539.044006 1.040000
563.545044 0.826000
590.381042 0.468000
619.900024 0.272000
652.526001 0.214000
670.162048 0.215000
688.778015 0.213000
708.456970 0.214000
729.294006 0.223000
826.533020 0.260000