Ice refractive index from Perovich and Govoni (1991), imaginary index only
 
 
 
 
 
Wavelength (microns) 	 real  imaginary
   2.50000e-01   0.00000e+00   1.33000e-08
   2.55000e-01   0.00000e+00   1.32000e-08
   2.60000e-01   0.00000e+00   1.31000e-08
   2.65000e-01   0.00000e+00   1.32000e-08
   2.70000e-01   0.00000e+00   1.31000e-08
   2.75000e-01   0.00000e+00   1.28000e-08
   2.80000e-01   0.00000e+00   1.26000e-08
   2.85000e-01   0.00000e+00   1.23000e-08
   2.90000e-01   0.00000e+00   1.17000e-08
   2.95000e-01   0.00000e+00   1.15000e-08
   3.00000e-01   0.00000e+00   1.11000e-08
   3.05000e-01   0.00000e+00   1.02000e-08
   3.10000e-01   0.00000e+00   9.28000e-09
   3.15000e-01   0.00000e+00   8.65000e-09
   3.20000e-01   0.00000e+00   8.32000e-09
   3.25000e-01   0.00000e+00   7.73000e-09
   3.30000e-01   0.00000e+00   7.73000e-09
   3.35000e-01   0.00000e+00   7.34000e-09
   3.40000e-01   0.00000e+00   7.12000e-09
   3.45000e-01   0.00000e+00   6.46000e-09
   3.50000e-01   0.00000e+00   6.27000e-09
   3.55000e-01   0.00000e+00   5.49000e-09
   3.60000e-01   0.00000e+00   5.18000e-09
   3.65000e-01   0.00000e+00   4.58000e-09
   3.70000e-01   0.00000e+00   4.13000e-09
   3.75000e-01   0.00000e+00   3.79000e-09
   3.80000e-01   0.00000e+00   3.43000e-09
   3.85000e-01   0.00000e+00   3.25000e-09
   3.90000e-01   0.00000e+00   3.12000e-09
   3.95000e-01   0.00000e+00   2.99000e-09
   4.00000e-01   0.00000e+00   2.93000e-09