The derived imaginary parts of the refractive indices, k, for the JSC Mars-1 sample using the model framework with GRS2 particle shapes as presented in Martikainen et al. 2023, ApJS. 

The real part of the refractive index, n, was fixed to 1.5.

The uncertainties were computed by assuming a maximum error of 15% in the measured reflectance over the 200 to 2000 nm wavelength range.


wavelength	k		error
200		0.001550		±0.00010
225		0.001792		±0.00047
250		0.001792		±0.00047
275		0.001913		±0.00035
300		0.001809		±0.00046
325		0.001804		±0.00015
350		0.001597		±0.00028
375		0.001475		±0.00017
400		0.001292		±0.00020
450		0.001017		±0.00017
500		0.000926		±0.00014
550		0.000773		±0.00014
600		0.000681		±0.00013
650		0.000643		±0.00013
700		0.000632		±0.00014
750		0.000634		±0.00014
800		0.000693		±0.00016
850		0.000767		±0.00018
900		0.000840		±0.00019
950		0.000929		±0.00018
1000		0.000978		±0.00021
1050		0.001039		±0.00022
1100		0.001095		±0.00022
1150		0.001143		±0.00024
1200		0.001192		±0.00023
1250		0.001251		±0.00024
1300		0.001290		±0.00028
1350		0.001329		±0.00027
1400		0.001368		±0.00028
1450		0.001407		±0.00032
1500		0.001427		±0.00030
1550		0.001456		±0.00031
1600		0.001466		±0.00032
1650		0.001485		±0.00032
1700		0.001524		±0.00032
1750		0.001522		±0.00032
1800		0.001524		±0.00036
1850		0.001544		±0.00036
1900		0.001602		±0.00035
1950		0.001661		±0.00037
2000		0.001622		±0.00037