# this file is part of refractiveindex.info database
# refractiveindex.info database is in the public domain
# copyright and related rights waived via CC0 1.0

REFERENCES: |
    G. Perotto, Y. Zhang, D. Naskar, N. Patel, D. L. Kaplan, S. C. Kundu, F. G. Omenetto.
    The optical properties of regenerated silk fibroin films obtained from different sources.
    <a href="https://doi.org/10.1063/1.4998950"><i>Appl. Phys. Lett.</i> <b>111</b>, 103702 (2017)</a>
COMMENTS: |
    Uncrystallized Bombyx mori (silkworm) fibroin film
DATA:
  - type: formula 5
    wavelength_range: 0.3 1.7
    coefficients: 1.5303 0.0066 -2 1.1e-4 -4
  - type: tabulated k
    data: |
        0.300 3.910000E-3
        0.310 3.200000E-3
        0.320 2.650000E-3
        0.330 2.230000E-3
        0.340 1.890000E-3
        0.350 1.610000E-3
        0.360 1.390000E-3
        0.370 1.210000E-3
        0.380 1.060000E-3
        0.390 9.352940E-4
        0.400 8.301700E-4
        0.410 7.411600E-4
        0.420 6.652760E-4
        0.430 6.001690E-4
        0.440 5.439750E-4
        0.450 4.952010E-4
        0.460 4.526450E-4
        0.470 4.153320E-4
        0.480 3.824620E-4
        0.490 3.533820E-4
        0.500 3.275470E-4
        0.510 3.045060E-4
        0.520 2.838810E-4
        0.530 2.653540E-4
        0.540 2.486570E-4
        0.550 2.335620E-4
        0.560 2.198750E-4
        0.570 2.074290E-4
        0.580 1.960810E-4
        0.590 1.857080E-4
        0.600 1.762020E-4
        0.610 1.674710E-4
        0.620 1.594340E-4
        0.630 1.520200E-4
        0.640 1.451660E-4
        0.650 1.388190E-4
        0.660 1.329290E-4
        0.670 1.274530E-4
        0.680 1.223550E-4
        0.690 1.175990E-4
        0.700 1.131570E-4
        0.710 1.090000E-4
        0.720 1.051050E-4
        0.730 1.014510E-4
        0.740 9.801730E-5
        0.750 9.478680E-5
        0.760 9.174370E-5
        0.770 8.887360E-5
        0.780 8.616340E-5
        0.790 8.360150E-5
        0.800 8.117690E-5
        0.810 7.887990E-5
        0.820 7.670160E-5
        0.830 7.463390E-5
        0.840 7.266910E-5
        0.850 7.080050E-5
        0.860 6.902170E-5
        0.870 6.732700E-5
        0.880 6.571100E-5
        0.890 6.416890E-5
        0.900 6.269600E-5
        0.910 6.128820E-5
        0.920 5.994150E-5
        0.930 5.865250E-5
        0.940 5.741780E-5
        0.950 5.623420E-5
        0.960 5.509890E-5
        0.970 5.400930E-5
        0.980 5.296280E-5
        0.990 5.195710E-5
        1.000 5.099000E-5
        1.010 5.005960E-5
        1.020 4.916390E-5
        1.030 4.830120E-5
        1.040 4.746970E-5
        1.050 4.666800E-5
        1.060 4.589460E-5
        1.070 4.514810E-5
        1.080 4.442720E-5
        1.090 4.373080E-5
        1.100 4.305760E-5
        1.110 4.240670E-5
        1.120 4.177700E-5
        1.130 4.116750E-5
        1.140 4.057730E-5
        1.150 4.000570E-5
        1.160 3.945180E-5
        1.170 3.891480E-5
        1.180 3.839400E-5
        1.190 3.788880E-5
        1.200 3.739850E-5
        1.210 3.692250E-5
        1.220 3.646020E-5
        1.230 3.601100E-5
        1.240 3.557460E-5
        1.250 3.515020E-5
        1.260 3.473750E-5
        1.270 3.433610E-5
        1.280 3.394550E-5
        1.290 3.356520E-5
        1.300 3.319500E-5
        1.310 3.283440E-5
        1.320 3.248310E-5
        1.330 3.214080E-5
        1.340 3.180710E-5
        1.460 2.837770E-5
        1.470 2.813280E-5
        1.480 2.789330E-5
        1.490 2.765900E-5
        1.500 2.742980E-5
        1.510 2.720550E-5
        1.520 2.698590E-5
        1.530 2.677090E-5
        1.540 2.656040E-5
        1.550 2.635430E-5
        1.560 2.615230E-5
        1.570 2.595450E-5
        1.580 2.576060E-5
        1.590 2.557060E-5
        1.600 2.538430E-5
        1.610 2.520170E-5
        1.620 2.502260E-5
        1.630 2.484690E-5
        1.640 2.467470E-5
        1.650 2.450560E-5
        1.660 2.433980E-5
        1.670 2.417700E-5
        1.680 2.401730E-5
        1.690 2.386040E-5
        1.700 2.370650E-5