This directory contains refractive index files that can be used with the bhmie
code. Other files can also be used: the files should contain no header, and
three columns:

 - the wavelength in microns
 - the real part of the refractive index
 - the imaginary part of the refractive index

Silicate
========

silicate_ld93                 Astronomical silicates
                              Laor & Draine 1993, ApJ, 402, 441

silicate_wd00                 Astronomical silicates
                              Weingartner & Draine 2000

silicate_d03                  Astronomical silicates
                              (currently recommended by B. Draine)
                              Draine 2003, ApJ, 598, 1026

Graphite
========

graphite_par_ld93             Graphite, E parallel
                              Laor & Draine 1993, ApJ, 402, 441
graphite_per_ld93             Graphite, E perpendicular
                              Laor & Draine 1993, ApJ, 402, 441

graphite_per_d03_0.01         Graphite, E perpendicular (a = 0.01 microns)
                              (currently recommended by B. Draine)
                              Draine 2003, ApJ, 598, 1026

graphite_per_d03_0.10         Graphite, E perpendicular (a = 0.10 microns)
                              (currently recommended by B. Draine)
                              Draine 2003, ApJ, 598, 1026

graphite_par_d03_0.01         Graphite, E parallel (a = 0.01 microns)
                              (currently recommended by B. Draine)
                              Draine 2003, ApJ, 598, 1026

graphite_par_d03_0.10         Graphite, E parallel (a = 0.10 microns)
                              (currently recommended by B. Draine)
                              Draine 2003, ApJ, 598, 1026
