Ice refractive index from Browell and Anderson (1975), real index only
 
 
 
 
 
Wavelength (microns) 	 real  imaginary
   1.59710e-01   1.65460e+00   0.00000e+00
   1.78990e-01   1.45900e+00   0.00000e+00
   2.09350e-01   1.38690e+00   0.00000e+00
   2.40130e-01   1.36850e+00   0.00000e+00
   2.79490e-01   1.35130e+00   0.00000e+00
   3.20230e-01   1.34040e+00   0.00000e+00