# 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: |
    Dr. Errol F. I. Roberts <i>private communications</i>. Unpublished data measured at City of London Polytechnic in 1986.
COMMENTS: |
    Solid iridium (Johnson Matthew): polycrystalline, annealed. n,k pairs measured by scanning automatic nulling spectro-ellipsometer. Room temperature.
DATA:
  - type: tabulated nk
    data: |
        0.250 1.701 3.882
        0.260 1.569 3.687
        0.270 1.416 3.369
        0.280 1.394 3.247
        0.290 1.415 3.113
        0.300 1.452 3.077
        0.310 1.482 3.039
        0.320 1.501 3.042
        0.330 1.485 3.064
        0.340 1.473 3.120
        0.350 1.469 3.201
        0.360 1.476 3.283
        0.370 1.498 3.380
        0.380 1.523 3.464
        0.390 1.563 3.549
        0.400 1.599 3.624
        0.410 1.636 3.704
        0.420 1.667 3.770
        0.430 1.698 3.845
        0.440 1.725 3.913
        0.450 1.757 3.992
        0.460 1.780 4.083
        0.470 1.813 4.141
        0.480 1.847 4.218
        0.490 1.885 4.296
        0.500 1.924 4.371
        0.510 1.969 4.451
        0.520 2.011 4.513
        0.530 2.059 4.584
        0.540 2.100 4.641
        0.550 2.149 4.704
        0.560 2.187 4.754
        0.570 2.228 4.824
        0.580 2.276 4.892
        0.590 2.317 4.946
        0.600 2.354 4.985
        0.610 2.409 5.050
        0.620 2.431 5.083
        0.630 2.481 5.169
        0.640 2.506 5.200
        0.650 2.531 5.234
        0.660 2.560 5.274
        0.670 2.562 5.278
        0.680 2.615 5.357
        0.690 2.615 5.357
        0.700 2.655 5.409
        0.710 2.656 5.421
        0.720 2.658 5.420
        0.730 2.658 5.420
        0.740 2.625 5.381
        0.750 2.613 5.362