# 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, 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)</a><br>
    [<a href="https://github.com/polyanskiy/refractiveindex.info-scripts/blob/main/scripts/Rakic%201998%20-%20Ni%20(BB%20model).py">Calculation script (Python)</a>]
COMMENTS: |
    Fit of experimental data from several sources to Brendel-Bormann (BB) model
DATA:
  - type: tabulated nk
    data: |
        2.4797e-01 1.4724e+00 2.0065e+00
        2.5201e-01 1.5068e+00 2.0205e+00
        2.5612e-01 1.5408e+00 2.0308e+00
        2.6030e-01 1.5737e+00 2.0373e+00
        2.6454e-01 1.6046e+00 2.0403e+00
        2.6886e-01 1.6330e+00 2.0404e+00
        2.7324e-01 1.6585e+00 2.0378e+00
        2.7770e-01 1.6804e+00 2.0333e+00
        2.8222e-01 1.6987e+00 2.0275e+00
        2.8683e-01 1.7130e+00 2.0211e+00
        2.9150e-01 1.7234e+00 2.0146e+00
        2.9626e-01 1.7299e+00 2.0088e+00
        3.0109e-01 1.7327e+00 2.0042e+00
        3.0600e-01 1.7321e+00 2.0015e+00
        3.1099e-01 1.7284e+00 2.0010e+00
        3.1606e-01 1.7221e+00 2.0032e+00
        3.2121e-01 1.7136e+00 2.0084e+00
        3.2645e-01 1.7034e+00 2.0167e+00
        3.3177e-01 1.6919e+00 2.0283e+00
        3.3718e-01 1.6796e+00 2.0433e+00
        3.4268e-01 1.6670e+00 2.0616e+00
        3.4827e-01 1.6545e+00 2.0832e+00
        3.5395e-01 1.6424e+00 2.1077e+00
        3.5972e-01 1.6311e+00 2.1352e+00
        3.6559e-01 1.6207e+00 2.1654e+00
        3.7155e-01 1.6116e+00 2.1980e+00
        3.7761e-01 1.6039e+00 2.2327e+00
        3.8377e-01 1.5977e+00 2.2695e+00
        3.9002e-01 1.5930e+00 2.3079e+00
        3.9638e-01 1.5900e+00 2.3479e+00
        4.0285e-01 1.5886e+00 2.3891e+00
        4.0942e-01 1.5889e+00 2.4315e+00
        4.1609e-01 1.5908e+00 2.4747e+00
        4.2288e-01 1.5942e+00 2.5188e+00
        4.2977e-01 1.5991e+00 2.5635e+00
        4.3678e-01 1.6055e+00 2.6088e+00
        4.4390e-01 1.6133e+00 2.6545e+00
        4.5114e-01 1.6224e+00 2.7005e+00
        4.5850e-01 1.6328e+00 2.7468e+00
        4.6598e-01 1.6443e+00 2.7934e+00
        4.7358e-01 1.6570e+00 2.8401e+00
        4.8130e-01 1.6708e+00 2.8869e+00
        4.8915e-01 1.6856e+00 2.9338e+00
        4.9712e-01 1.7013e+00 2.9807e+00
        5.0523e-01 1.7179e+00 3.0277e+00
        5.1347e-01 1.7354e+00 3.0747e+00
        5.2184e-01 1.7536e+00 3.1216e+00
        5.3035e-01 1.7726e+00 3.1686e+00
        5.3900e-01 1.7923e+00 3.2156e+00
        5.4779e-01 1.8127e+00 3.2625e+00
        5.5672e-01 1.8337e+00 3.3094e+00
        5.6580e-01 1.8552e+00 3.3562e+00
        5.7503e-01 1.8773e+00 3.4031e+00
        5.8440e-01 1.9000e+00 3.4499e+00
        5.9393e-01 1.9230e+00 3.4967e+00
        6.0362e-01 1.9466e+00 3.5434e+00
        6.1346e-01 1.9705e+00 3.5902e+00
        6.2346e-01 1.9949e+00 3.6369e+00
        6.3363e-01 2.0196e+00 3.6837e+00
        6.4396e-01 2.0446e+00 3.7305e+00
        6.5446e-01 2.0700e+00 3.7773e+00
        6.6514e-01 2.0956e+00 3.8241e+00
        6.7598e-01 2.1215e+00 3.8710e+00
        6.8701e-01 2.1476e+00 3.9179e+00
        6.9821e-01 2.1740e+00 3.9650e+00
        7.0959e-01 2.2006e+00 4.0120e+00
        7.2117e-01 2.2273e+00 4.0592e+00
        7.3292e-01 2.2543e+00 4.1065e+00
        7.4488e-01 2.2813e+00 4.1539e+00
        7.5702e-01 2.3085e+00 4.2015e+00
        7.6937e-01 2.3358e+00 4.2492e+00
        7.8191e-01 2.3632e+00 4.2971e+00
        7.9466e-01 2.3907e+00 4.3451e+00
        8.0762e-01 2.4182e+00 4.3934e+00
        8.2079e-01 2.4458e+00 4.4418e+00
        8.3418e-01 2.4734e+00 4.4905e+00
        8.4778e-01 2.5010e+00 4.5395e+00
        8.6160e-01 2.5287e+00 4.5887e+00
        8.7565e-01 2.5563e+00 4.6382e+00
        8.8993e-01 2.5839e+00 4.6880e+00
        9.0445e-01 2.6115e+00 4.7381e+00
        9.1919e-01 2.6390e+00 4.7885e+00
        9.3418e-01 2.6665e+00 4.8394e+00
        9.4942e-01 2.6938e+00 4.8905e+00
        9.6490e-01 2.7211e+00 4.9421e+00
        9.8063e-01 2.7483e+00 4.9941e+00
        9.9662e-01 2.7754e+00 5.0465e+00
        1.0129e+00 2.8024e+00 5.0994e+00
        1.0294e+00 2.8293e+00 5.1528e+00
        1.0462e+00 2.8560e+00 5.2067e+00
        1.0632e+00 2.8825e+00 5.2611e+00
        1.0806e+00 2.9089e+00 5.3160e+00
        1.0982e+00 2.9351e+00 5.3715e+00
        1.1161e+00 2.9612e+00 5.4276e+00
        1.1343e+00 2.9871e+00 5.4843e+00
        1.1528e+00 3.0127e+00 5.5417e+00
        1.1716e+00 3.0382e+00 5.5997e+00
        1.1907e+00 3.0634e+00 5.6584e+00
        1.2101e+00 3.0884e+00 5.7178e+00
        1.2299e+00 3.1132e+00 5.7779e+00
        1.2499e+00 3.1377e+00 5.8389e+00
        1.2703e+00 3.1620e+00 5.9006e+00
        1.2910e+00 3.1861e+00 5.9631e+00
        1.3121e+00 3.2098e+00 6.0265e+00
        1.3335e+00 3.2333e+00 6.0908e+00
        1.3552e+00 3.2565e+00 6.1559e+00
        1.3773e+00 3.2795e+00 6.2220e+00
        1.3998e+00 3.3021e+00 6.2891e+00
        1.4226e+00 3.3245e+00 6.3571e+00
        1.4458e+00 3.3465e+00 6.4262e+00
        1.4694e+00 3.3683e+00 6.4963e+00
        1.4933e+00 3.3897e+00 6.5675e+00
        1.5177e+00 3.4108e+00 6.6399e+00
        1.5424e+00 3.4316e+00 6.7133e+00
        1.5676e+00 3.4521e+00 6.7880e+00
        1.5931e+00 3.4722e+00 6.8639e+00
        1.6191e+00 3.4920e+00 6.9410e+00
        1.6455e+00 3.5114e+00 7.0194e+00
        1.6723e+00 3.5306e+00 7.0992e+00
        1.6996e+00 3.5493e+00 7.1803e+00
        1.7273e+00 3.5677e+00 7.2628e+00
        1.7555e+00 3.5858e+00 7.3467e+00
        1.7841e+00 3.6035e+00 7.4321e+00
        1.8132e+00 3.6209e+00 7.5191e+00
        1.8428e+00 3.6379e+00 7.6075e+00
        1.8728e+00 3.6545e+00 7.6976e+00
        1.9034e+00 3.6708e+00 7.7892e+00
        1.9344e+00 3.6868e+00 7.8826e+00
        1.9660e+00 3.7024e+00 7.9776e+00
        1.9980e+00 3.7176e+00 8.0744e+00
        2.0306e+00 3.7325e+00 8.1730e+00
        2.0637e+00 3.7471e+00 8.2735e+00
        2.0974e+00 3.7613e+00 8.3758e+00
        2.1316e+00 3.7751e+00 8.4800e+00
        2.1663e+00 3.7886e+00 8.5862e+00
        2.2016e+00 3.8018e+00 8.6944e+00
        2.2375e+00 3.8147e+00 8.8047e+00
        2.2740e+00 3.8272e+00 8.9171e+00
        2.3111e+00 3.8394e+00 9.0316e+00
        2.3488e+00 3.8513e+00 9.1483e+00
        2.3871e+00 3.8629e+00 9.2673e+00
        2.4260e+00 3.8742e+00 9.3885e+00
        2.4656e+00 3.8853e+00 9.5121e+00
        2.5058e+00 3.8960e+00 9.6381e+00
        2.5467e+00 3.9065e+00 9.7665e+00
        2.5882e+00 3.9167e+00 9.8974e+00
        2.6304e+00 3.9266e+00 1.0031e+01
        2.6733e+00 3.9364e+00 1.0167e+01
        2.7169e+00 3.9459e+00 1.0306e+01
        2.7612e+00 3.9552e+00 1.0447e+01
        2.8062e+00 3.9642e+00 1.0591e+01
        2.8520e+00 3.9731e+00 1.0738e+01
        2.8985e+00 3.9819e+00 1.0888e+01
        2.9457e+00 3.9904e+00 1.1040e+01
        2.9938e+00 3.9988e+00 1.1196e+01
        3.0426e+00 4.0071e+00 1.1355e+01
        3.0922e+00 4.0153e+00 1.1516e+01
        3.1426e+00 4.0234e+00 1.1681e+01
        3.1939e+00 4.0314e+00 1.1849e+01
        3.2460e+00 4.0393e+00 1.2021e+01
        3.2989e+00 4.0472e+00 1.2195e+01
        3.3527e+00 4.0551e+00 1.2373e+01
        3.4074e+00 4.0630e+00 1.2554e+01
        3.4629e+00 4.0709e+00 1.2739e+01
        3.5194e+00 4.0788e+00 1.2927e+01
        3.5768e+00 4.0868e+00 1.3119e+01
        3.6351e+00 4.0948e+00 1.3315e+01
        3.6944e+00 4.1030e+00 1.3514e+01
        3.7546e+00 4.1113e+00 1.3717e+01
        3.8159e+00 4.1197e+00 1.3923e+01
        3.8781e+00 4.1283e+00 1.4134e+01
        3.9413e+00 4.1371e+00 1.4349e+01
        4.0056e+00 4.1462e+00 1.4567e+01
        4.0709e+00 4.1554e+00 1.4790e+01
        4.1373e+00 4.1650e+00 1.5016e+01
        4.2048e+00 4.1748e+00 1.5247e+01
        4.2733e+00 4.1849e+00 1.5483e+01
        4.3430e+00 4.1955e+00 1.5722e+01
        4.4138e+00 4.2063e+00 1.5966e+01
        4.4858e+00 4.2176e+00 1.6214e+01
        4.5589e+00 4.2294e+00 1.6467e+01
        4.6333e+00 4.2416e+00 1.6725e+01
        4.7088e+00 4.2543e+00 1.6987e+01
        4.7856e+00 4.2675e+00 1.7254e+01
        4.8637e+00 4.2813e+00 1.7525e+01
        4.9430e+00 4.2956e+00 1.7802e+01
        5.0236e+00 4.3106e+00 1.8083e+01
        5.1055e+00 4.3263e+00 1.8370e+01
        5.1888e+00 4.3426e+00 1.8661e+01
        5.2734e+00 4.3597e+00 1.8958e+01
        5.3594e+00 4.3776e+00 1.9260e+01
        5.4468e+00 4.3962e+00 1.9567e+01
        5.5356e+00 4.4157e+00 1.9880e+01
        5.6258e+00 4.4360e+00 2.0198e+01
        5.7176e+00 4.4573e+00 2.0521e+01
        5.8108e+00 4.4795e+00 2.0850e+01
        5.9056e+00 4.5027e+00 2.1185e+01
        6.0019e+00 4.5270e+00 2.1526e+01
        6.0997e+00 4.5523e+00 2.1873e+01
        6.1992e+00 4.5788e+00 2.2225e+01