# 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: |
    A. D. Rakić, A. B. Djurišic, J. M. Elazar, and M. L. Majewski.
    Optical properties of metallic films for vertical-cavity optoelectronic devices.
    <a href="https://doi.org/10.1364/AO.37.005271"><i>Appl. Opt.</i> <b>37</b>, 5271-5283 (1998)<br>
    [<a href="https://github.com/polyanskiy/refractiveindex.info-scripts/blob/main/scripts/Rakic%201998%20-%20W%20(BB%20model).py">Calculation script (Python)</a>]</a>
COMMENTS: |
    Fit of experimental data from several sources to Brendel-Bormann (BB) model
DATA:
  - type: tabulated nk
    data: |
        2.4797e-01 2.6972e+00 2.6847e+00
        2.5289e-01 2.7358e+00 2.6738e+00
        2.5791e-01 2.7728e+00 2.6627e+00
        2.6303e-01 2.8083e+00 2.6514e+00
        2.6825e-01 2.8422e+00 2.6400e+00
        2.7358e-01 2.8745e+00 2.6286e+00
        2.7901e-01 2.9052e+00 2.6173e+00
        2.8455e-01 2.9345e+00 2.6063e+00
        2.9020e-01 2.9622e+00 2.5955e+00
        2.9596e-01 2.9884e+00 2.5851e+00
        3.0184e-01 3.0132e+00 2.5752e+00
        3.0783e-01 3.0365e+00 2.5658e+00
        3.1394e-01 3.0585e+00 2.5571e+00
        3.2017e-01 3.0791e+00 2.5492e+00
        3.2653e-01 3.0984e+00 2.5421e+00
        3.3301e-01 3.1165e+00 2.5360e+00
        3.3962e-01 3.1334e+00 2.5308e+00
        3.4637e-01 3.1492e+00 2.5268e+00
        3.5324e-01 3.1641e+00 2.5239e+00
        3.6025e-01 3.1780e+00 2.5224e+00
        3.6741e-01 3.1911e+00 2.5221e+00
        3.7470e-01 3.2035e+00 2.5233e+00
        3.8214e-01 3.2153e+00 2.5259e+00
        3.8973e-01 3.2267e+00 2.5301e+00
        3.9746e-01 3.2378e+00 2.5357e+00
        4.0535e-01 3.2489e+00 2.5429e+00
        4.1340e-01 3.2600e+00 2.5517e+00
        4.2161e-01 3.2713e+00 2.5619e+00
        4.2998e-01 3.2831e+00 2.5735e+00
        4.3852e-01 3.2955e+00 2.5864e+00
        4.4722e-01 3.3086e+00 2.6004e+00
        4.5610e-01 3.3227e+00 2.6154e+00
        4.6515e-01 3.3377e+00 2.6311e+00
        4.7439e-01 3.3539e+00 2.6474e+00
        4.8381e-01 3.3713e+00 2.6639e+00
        4.9341e-01 3.3897e+00 2.6804e+00
        5.0321e-01 3.4092e+00 2.6966e+00
        5.1320e-01 3.4297e+00 2.7121e+00
        5.2339e-01 3.4510e+00 2.7269e+00
        5.3378e-01 3.4728e+00 2.7405e+00
        5.4437e-01 3.4949e+00 2.7528e+00
        5.5518e-01 3.5170e+00 2.7637e+00
        5.6620e-01 3.5388e+00 2.7730e+00
        5.7744e-01 3.5599e+00 2.7806e+00
        5.8891e-01 3.5799e+00 2.7867e+00
        6.0060e-01 3.5986e+00 2.7911e+00
        6.1252e-01 3.6154e+00 2.7940e+00
        6.2468e-01 3.6301e+00 2.7956e+00
        6.3709e-01 3.6423e+00 2.7960e+00
        6.4973e-01 3.6517e+00 2.7955e+00
        6.6263e-01 3.6580e+00 2.7944e+00
        6.7579e-01 3.6611e+00 2.7929e+00
        6.8920e-01 3.6605e+00 2.7915e+00
        7.0289e-01 3.6563e+00 2.7904e+00
        7.1684e-01 3.6481e+00 2.7900e+00
        7.3107e-01 3.6358e+00 2.7908e+00
        7.4559e-01 3.6195e+00 2.7932e+00
        7.6039e-01 3.5989e+00 2.7977e+00
        7.7549e-01 3.5741e+00 2.8047e+00
        7.9088e-01 3.5452e+00 2.8148e+00
        8.0658e-01 3.5120e+00 2.8285e+00
        8.2260e-01 3.4748e+00 2.8464e+00
        8.3893e-01 3.4338e+00 2.8690e+00
        8.5558e-01 3.3892e+00 2.8971e+00
        8.7257e-01 3.3414e+00 2.9314e+00
        8.8989e-01 3.2909e+00 2.9726e+00
        9.0756e-01 3.2385e+00 3.0214e+00
        9.2557e-01 3.1849e+00 3.0785e+00
        9.4395e-01 3.1314e+00 3.1447e+00
        9.6269e-01 3.0795e+00 3.2205e+00
        9.8180e-01 3.0309e+00 3.3061e+00
        1.0013e+00 2.9878e+00 3.4015e+00
        1.0212e+00 2.9528e+00 3.5059e+00
        1.0414e+00 2.9282e+00 3.6177e+00
        1.0621e+00 2.9166e+00 3.7345e+00
        1.0832e+00 2.9197e+00 3.8526e+00
        1.1047e+00 2.9381e+00 3.9676e+00
        1.1266e+00 2.9712e+00 4.0743e+00
        1.1490e+00 3.0162e+00 4.1678e+00
        1.1718e+00 3.0687e+00 4.2440e+00
        1.1951e+00 3.1229e+00 4.3002e+00
        1.2188e+00 3.1719e+00 4.3358e+00
        1.2430e+00 3.2090e+00 4.3523e+00
        1.2677e+00 3.2281e+00 4.3534e+00
        1.2929e+00 3.2247e+00 4.3447e+00
        1.3185e+00 3.1959e+00 4.3327e+00
        1.3447e+00 3.1411e+00 4.3243e+00
        1.3714e+00 3.0618e+00 4.3264e+00
        1.3986e+00 2.9612e+00 4.3446e+00
        1.4264e+00 2.8440e+00 4.3835e+00
        1.4547e+00 2.7155e+00 4.4457e+00
        1.4836e+00 2.5814e+00 4.5322e+00
        1.5130e+00 2.4469e+00 4.6424e+00
        1.5431e+00 2.3163e+00 4.7743e+00
        1.5737e+00 2.1928e+00 4.9252e+00
        1.6050e+00 2.0784e+00 5.0920e+00
        1.6368e+00 1.9743e+00 5.2717e+00
        1.6693e+00 1.8806e+00 5.4617e+00
        1.7025e+00 1.7969e+00 5.6599e+00
        1.7363e+00 1.7228e+00 5.8644e+00
        1.7707e+00 1.6573e+00 6.0740e+00
        1.8059e+00 1.5998e+00 6.2877e+00
        1.8417e+00 1.5493e+00 6.5049e+00
        1.8783e+00 1.5052e+00 6.7251e+00
        1.9156e+00 1.4668e+00 6.9480e+00
        1.9536e+00 1.4335e+00 7.1734e+00
        1.9924e+00 1.4048e+00 7.4012e+00
        2.0319e+00 1.3804e+00 7.6315e+00
        2.0723e+00 1.3597e+00 7.8641e+00
        2.1134e+00 1.3426e+00 8.0993e+00
        2.1554e+00 1.3288e+00 8.3370e+00
        2.1982e+00 1.3179e+00 8.5774e+00
        2.2418e+00 1.3099e+00 8.8204e+00
        2.2863e+00 1.3045e+00 9.0663e+00
        2.3317e+00 1.3017e+00 9.3152e+00
        2.3780e+00 1.3013e+00 9.5671e+00
        2.4252e+00 1.3032e+00 9.8222e+00
        2.4734e+00 1.3073e+00 1.0081e+01
        2.5225e+00 1.3136e+00 1.0342e+01
        2.5725e+00 1.3219e+00 1.0608e+01
        2.6236e+00 1.3324e+00 1.0876e+01
        2.6757e+00 1.3449e+00 1.1149e+01
        2.7288e+00 1.3594e+00 1.1426e+01
        2.7830e+00 1.3758e+00 1.1706e+01
        2.8383e+00 1.3943e+00 1.1991e+01
        2.8946e+00 1.4148e+00 1.2279e+01
        2.9521e+00 1.4372e+00 1.2572e+01
        3.0107e+00 1.4617e+00 1.2870e+01
        3.0704e+00 1.4881e+00 1.3172e+01
        3.1314e+00 1.5166e+00 1.3479e+01
        3.1936e+00 1.5472e+00 1.3790e+01
        3.2570e+00 1.5798e+00 1.4106e+01
        3.3216e+00 1.6146e+00 1.4428e+01
        3.3876e+00 1.6516e+00 1.4754e+01
        3.4548e+00 1.6908e+00 1.5086e+01
        3.5234e+00 1.7322e+00 1.5422e+01
        3.5934e+00 1.7759e+00 1.5765e+01
        3.6647e+00 1.8220e+00 1.6112e+01
        3.7375e+00 1.8706e+00 1.6466e+01
        3.8117e+00 1.9216e+00 1.6825e+01
        3.8873e+00 1.9752e+00 1.7190e+01
        3.9645e+00 2.0314e+00 1.7561e+01
        4.0432e+00 2.0903e+00 1.7938e+01
        4.1235e+00 2.1519e+00 1.8322e+01
        4.2053e+00 2.2164e+00 1.8712e+01
        4.2888e+00 2.2839e+00 1.9108e+01
        4.3740e+00 2.3544e+00 1.9510e+01
        4.4608e+00 2.4280e+00 1.9920e+01
        4.5494e+00 2.5049e+00 2.0336e+01
        4.6397e+00 2.5850e+00 2.0758e+01
        4.7318e+00 2.6686e+00 2.1188e+01
        4.8257e+00 2.7557e+00 2.1625e+01
        4.9216e+00 2.8464e+00 2.2069e+01
        5.0193e+00 2.9410e+00 2.2521e+01
        5.1189e+00 3.0393e+00 2.2980e+01
        5.2205e+00 3.1417e+00 2.3446e+01
        5.3242e+00 3.2482e+00 2.3920e+01
        5.4299e+00 3.3590e+00 2.4402e+01
        5.5377e+00 3.4741e+00 2.4891e+01
        5.6476e+00 3.5938e+00 2.5389e+01
        5.7597e+00 3.7182e+00 2.5894e+01
        5.8741e+00 3.8474e+00 2.6408e+01
        5.9907e+00 3.9816e+00 2.6929e+01
        6.1096e+00 4.1209e+00 2.7459e+01
        6.2309e+00 4.2655e+00 2.7998e+01
        6.3546e+00 4.4156e+00 2.8545e+01
        6.4808e+00 4.5713e+00 2.9100e+01
        6.6094e+00 4.7328e+00 2.9664e+01
        6.7407e+00 4.9003e+00 3.0237e+01
        6.8745e+00 5.0740e+00 3.0819e+01
        7.0110e+00 5.2540e+00 3.1409e+01
        7.1502e+00 5.4406e+00 3.2009e+01
        7.2921e+00 5.6338e+00 3.2617e+01
        7.4369e+00 5.8341e+00 3.3235e+01
        7.5845e+00 6.0414e+00 3.3861e+01
        7.7351e+00 6.2561e+00 3.4497e+01
        7.8887e+00 6.4784e+00 3.5142e+01
        8.0453e+00 6.7083e+00 3.5796e+01
        8.2050e+00 6.9463e+00 3.6460e+01
        8.3679e+00 7.1925e+00 3.7132e+01
        8.5340e+00 7.4470e+00 3.7815e+01
        8.7034e+00 7.7102e+00 3.8506e+01
        8.8762e+00 7.9823e+00 3.9207e+01
        9.0524e+00 8.2634e+00 3.9917e+01
        9.2322e+00 8.5538e+00 4.0637e+01
        9.4154e+00 8.8538e+00 4.1366e+01
        9.6024e+00 9.1635e+00 4.2104e+01
        9.7930e+00 9.4833e+00 4.2851e+01
        9.9874e+00 9.8133e+00 4.3608e+01
        1.0186e+01 1.0154e+01 4.4374e+01
        1.0388e+01 1.0505e+01 4.5150e+01
        1.0594e+01 1.0867e+01 4.5934e+01
        1.0804e+01 1.1240e+01 4.6728e+01
        1.1019e+01 1.1625e+01 4.7530e+01
        1.1238e+01 1.2021e+01 4.8341e+01
        1.1461e+01 1.2429e+01 4.9161e+01
        1.1688e+01 1.2849e+01 4.9990e+01
        1.1920e+01 1.3282e+01 5.0828e+01
        1.2157e+01 1.3726e+01 5.1674e+01
        1.2398e+01 1.4184e+01 5.2528e+01