# data from www.luxpop.com database
# ;  Optical constants for cubic KBr
# ; 
# ;   taken from:
# ;
# ;   'Handbook of Optical Constants of Solids II', Ed. by Edward D. Palik,
# ;   Academic Press, Inc., 1991.
# ;   
# ;    Lambda (A)            n            k
# ;-----------------------------------------
310.027008 1.638860
320.031006 1.630710
329.997009 1.623570
339.951019 1.617270
350.028015 1.611670
359.988007 1.606680
369.979004 1.602200
379.957001 1.598160
389.997009 1.594500
399.935028 1.591170
419.985992 1.585370
439.957001 1.580480
460.037018 1.576320
479.985016 1.572740
499.919006 1.569640
520.049988 1.566940
539.983032 1.564560
559.981995 1.562470
579.888000 1.560600
600.097046 1.558940
619.900024 1.557440
640.062012 1.556100
659.819031 1.554880
680.088013 1.553780
700.056030 1.552780
719.976990 1.551860
740.179016 1.551020
760.147034 1.550250
779.747986 1.549540
799.871033 1.548880
819.974060 1.548280
839.973083 1.547720
859.778015 1.547200
879.915039 1.546710
899.709961 1.546260