Reflectance (R) for 6614 nm to 6746 nm from high resolution FT-IR spectrum.

Supplementary Table 2: Reflectance (R) for 6614 nm to 6746 nm from high resolution FT-IR spectrum.

Wavelength	6614	6618.4	6622.8	6627.2	6631.6	6636	6640.4	6644.8
R	0.877	0.877	0.878	0.88	0.883	0.885	0.887	0.887
Wavelength	6649.2	6653.6	6658	6662.4	6666.8	6671.2	6675.6	6680
R	0.89	0.891	0.893	0.895	0.896	0.898	0.9	0.901
Wavelength	6684.4	6688.8	6693.2	6697.6	6702	6706.4	6710.8	6715.2
R	0.903	0.905	0.907	0.908	0.91	0.912	0.913	0.915
Wavelength	6719.6	6724	6728.4	6732.8	6737.2	6741.6	6746
R	0.917	0.918	0.92	0.922	0.923	0.925	0.927