# 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: |
    Crystran Ltd.
    <a href="https://issuu.com/crystran/docs/handbook_2023_website">
    The Crystran handbook of infra-red and ultra-violet optical materials (5th edition, 2023)
    </a><br>
    See also
    <a href="https://www.crystran.com/optical-materials/caesium-iodide-csi">
    Crystran CsI online data sheet
    </a>
COMMENTS: |
    Caesium Iodide is grown by sealed ampoule Stockbarger techniques with ingots of approximately 70mm diameter. CsI is very soft and pliable. IUPAC International Union of Pure and applied Chemistry recommends the spelling as Cesium. UK Useage is Caesium.<br>
    REFERENCES:<br>
    (1) Handbook Optical Constants, ed Palik, V2, ISBN 0-12-544422-2<br>
    (2) Rodney, J.Opt.Soc.Am. V45, p987, 1955<br>
    (3) Combes et al, J.Opt.Soc.Am. V41, p215, 1951<br>
    (4) Kelly, Bureau of Mines Bulletin, No371, p51, 1934<br>
PROPERTIES:
    density:
      - value: 4510
    thermal_dispersion:
      - type: constant
        value: -9.93e-05
    thermal_expansion:
      - temperature: 293
        value: 48.3e-06
    hardness:
      - type: Knoop
        indenter_mass: 0.2
        value: 1.96e8
    melting_point:
      - value: 894
    thermal_conductivity:
      - temperature: 298
        value: 1.1
    youngs_modulus:
      - value: 5.3e9
    poissons_ratio:
      - value: 0.214
    solubility:
      - temperature: 293
        value: 440
DATA:
  - type: tabulated n
    data: |
        0.5 1.8064
        1.0 1.7572
        2.0 1.7466
        3.0 1.7440
        4.0 1.7431
        5.0 1.7424
        6.0 1.7418
        7.0 1.7412
        8.0 1.7406
        9.0 1.7399
        10.0 1.7392
        11.0 1.7384
        12.0 1.7375
        13.0 1.7365
        14.0 1.7355
        15.0 1.7344
        16.0 1.7332
        17.0 1.7319
        18.0 1.7306
        19.0 1.7291
        20.0 1.7276
        21.0 1.7260
        22.0 1.7244
        23.0 1.7226
        24.0 1.7207
        25.0 1.7188
        26.0 1.7168
        27.0 1.7147
        28.0 1.7125
        29.0 1.7101
        30.0 1.7077
        31.0 1.7052
        32.0 1.7027
        33.0 1.7000
        34.0 1.6972
        35.0 1.6943
        36.0 1.6913
        37.0 1.6882
        38.0 1.6849
        39.0 1.6816
        40.0 1.6781
        41.0 1.6746
        42.0 1.6709
        43.0 1.6671
        44.0 1.6631
        45.0 1.6591
        46.0 1.6549
        47.0 1.6505
        48.0 1.6460
        49.0 1.6414
        50.0 1.6366
  - type: tabulated k
    data: |
        0.238 2.11E-05
        0.239 1.84E-05
        0.240 1.21E-05
        0.241 7.75E-06
        0.242 5.20E-06
        0.243 3.60E-06
        0.244 2.65E-06
        0.245 2.04E-06
        0.246 1.67E-06
        0.247 1.42E-06
        0.248 1.30E-06
        0.249 1.23E-06
        0.250 1.18E-06
        0.251 1.14E-06
        0.252 1.12E-06
        0.253 1.10E-06
        0.254 1.09E-06
        0.255 1.08E-06
        0.256 1.06E-06
        0.257 1.05E-06
        0.258 1.04E-06
        0.259 1.04E-06
        0.260 1.03E-06
        0.261 1.02E-06
        0.262 1.01E-06
        0.263 9.97E-07
        0.264 9.90E-07
        0.265 9.86E-07
        0.266 9.84E-07
        0.267 9.84E-07
        0.268 9.83E-07
        0.269 9.82E-07
        0.270 9.80E-07
        0.271 9.76E-07
        0.272 9.71E-07
        0.273 9.66E-07
        0.274 9.62E-07
        0.275 9.59E-07
        0.276 9.57E-07
        0.277 9.54E-07
        0.278 9.49E-07
        0.279 9.44E-07
        0.280 9.41E-07
        0.281 9.37E-07
        0.282 9.34E-07
        0.283 9.29E-07
        0.284 9.24E-07
        0.285 9.18E-07
        0.286 9.14E-07
        0.287 9.11E-07
        0.288 9.09E-07
        0.289 9.06E-07
        0.290 9.02E-07
        0.291 8.99E-07
        0.292 8.96E-07
        0.293 8.95E-07
        0.294 8.94E-07
        0.295 8.95E-07
        0.296 8.97E-07
        0.297 8.99E-07
        0.298 9.01E-07
        0.299 8.99E-07
        0.300 8.94E-07
        0.301 8.89E-07
        0.302 8.86E-07
        0.303 8.85E-07
        0.304 8.81E-07
        0.305 8.70E-07
        0.306 8.59E-07
        0.307 8.57E-07
        0.308 8.58E-07
        0.309 8.55E-07
        0.310 8.48E-07
        0.311 8.40E-07
        0.312 8.33E-07
        0.313 8.31E-07
        0.314 8.32E-07
        0.315 8.35E-07
        0.316 8.37E-07
        0.317 8.38E-07
        0.318 8.36E-07
        0.319 8.31E-07
        0.320 8.25E-07
        0.321 8.20E-07
        0.322 8.19E-07
        0.323 8.21E-07
        0.324 8.23E-07
        0.325 8.25E-07
        0.326 8.24E-07
        0.327 8.21E-07
        0.328 8.16E-07
        0.329 8.12E-07
        0.330 8.11E-07
        0.331 8.12E-07
        0.332 8.13E-07
        0.333 8.14E-07
        0.334 8.12E-07
        0.335 8.07E-07
        0.336 8.08E-07
        0.337 8.12E-07
        0.338 8.18E-07
        0.339 8.20E-07
        0.340 8.15E-07
        0.341 6.76E-07
        0.342 6.68E-07
        0.343 6.69E-07
        0.344 6.70E-07
        0.345 6.71E-07
        0.346 6.70E-07
        0.347 6.69E-07
        0.348 6.66E-07
        0.349 6.63E-07
        0.350 6.61E-07
        0.351 6.60E-07
        0.352 6.59E-07
        0.353 6.59E-07
        0.354 6.60E-07
        0.355 6.60E-07
        0.356 6.60E-07
        0.357 6.59E-07
        0.358 6.58E-07
        0.359 6.57E-07
        0.360 6.55E-07
        0.361 6.53E-07
        0.362 6.52E-07
        0.363 6.50E-07
        0.364 6.49E-07
        0.365 6.49E-07
        0.366 6.48E-07
        0.367 6.48E-07
        0.368 6.48E-07
        0.369 6.48E-07
        0.370 6.49E-07
        0.371 6.49E-07
        0.372 6.49E-07
        0.373 6.49E-07
        0.374 6.49E-07
        0.375 6.49E-07
        0.376 6.49E-07
        0.377 6.50E-07
        0.378 6.50E-07
        0.379 6.50E-07
        0.380 6.50E-07
        0.381 6.51E-07
        0.382 6.52E-07
        0.383 6.52E-07
        0.384 6.53E-07
        0.385 6.53E-07
        0.386 6.53E-07
        0.387 6.52E-07
        0.388 6.52E-07
        0.389 6.52E-07
        0.390 6.52E-07
        0.391 6.53E-07
        0.392 6.53E-07
        0.393 6.53E-07
        0.394 6.53E-07
        0.395 6.51E-07
        0.396 6.50E-07
        0.397 6.50E-07
        0.398 6.50E-07
        0.399 6.51E-07
        0.400 6.53E-07
        2.500 2.81E-07
        2.506 2.72E-07
        2.513 2.62E-07
        2.519 2.49E-07
        2.525 2.32E-07
        2.532 2.09E-07
        2.538 1.98E-07
        2.545 1.91E-07
        2.551 1.87E-07
        2.558 1.83E-07
        2.564 1.79E-07
        2.571 1.75E-07
        2.577 1.71E-07
        2.584 1.66E-07
        2.591 1.60E-07
        2.597 1.53E-07
        2.604 1.44E-07
        2.611 1.33E-07
        2.618 1.19E-07
        2.625 1.00E-07
        2.632 7.16E-08
        2.639 2.50E-08
        2.646 0.00E+00
        2.653 0.00E+00
        2.660 0.00E+00
        2.667 0.00E+00
        2.674 0.00E+00
        2.681 0.00E+00
        2.688 0.00E+00
        2.695 0.00E+00
        2.703 0.00E+00
        2.710 0.00E+00
        2.717 0.00E+00
        2.725 0.00E+00
        2.732 0.00E+00
        2.740 0.00E+00
        2.747 0.00E+00
        2.755 0.00E+00
        2.762 0.00E+00
        2.770 0.00E+00
        2.778 0.00E+00
        2.786 0.00E+00
        2.793 0.00E+00
        2.801 0.00E+00
        2.809 0.00E+00
        2.817 0.00E+00
        2.825 0.00E+00
        2.833 0.00E+00
        2.841 0.00E+00
        2.849 0.00E+00
        2.857 0.00E+00
        2.865 0.00E+00
        2.874 0.00E+00
        2.882 0.00E+00
        2.890 0.00E+00
        2.899 0.00E+00
        2.907 0.00E+00
        2.915 0.00E+00
        2.924 0.00E+00
        2.933 0.00E+00
        2.941 0.00E+00
        2.950 0.00E+00
        2.959 0.00E+00
        2.967 0.00E+00
        2.976 0.00E+00
        2.985 0.00E+00
        2.994 0.00E+00
        3.003 0.00E+00
        3.012 0.00E+00
        3.021 0.00E+00
        3.030 0.00E+00
        3.040 0.00E+00
        3.049 0.00E+00
        3.058 0.00E+00
        3.067 0.00E+00
        3.077 0.00E+00
        3.086 0.00E+00
        3.096 0.00E+00
        3.106 0.00E+00
        3.115 0.00E+00
        3.125 0.00E+00
        3.135 0.00E+00
        3.145 0.00E+00
        3.155 0.00E+00
        3.165 0.00E+00
        3.175 0.00E+00
        3.185 0.00E+00
        3.195 0.00E+00
        3.205 0.00E+00
        3.215 0.00E+00
        3.226 0.00E+00
        3.236 0.00E+00
        3.247 0.00E+00
        3.257 0.00E+00
        3.268 0.00E+00
        3.279 0.00E+00
        3.289 0.00E+00
        3.300 0.00E+00
        3.311 0.00E+00
        3.322 0.00E+00
        3.333 0.00E+00
        3.344 0.00E+00
        3.356 0.00E+00
        3.367 0.00E+00
        3.378 0.00E+00
        3.390 0.00E+00
        3.401 0.00E+00
        3.413 0.00E+00
        3.425 0.00E+00
        3.436 0.00E+00
        3.448 0.00E+00
        3.460 0.00E+00
        3.472 0.00E+00
        3.484 0.00E+00
        3.497 0.00E+00
        3.509 0.00E+00
        3.521 0.00E+00
        3.534 0.00E+00
        3.546 0.00E+00
        3.559 0.00E+00
        3.571 0.00E+00
        3.584 0.00E+00
        3.597 0.00E+00
        3.610 0.00E+00
        3.623 0.00E+00
        3.636 0.00E+00
        3.650 0.00E+00
        3.663 0.00E+00
        3.676 0.00E+00
        3.690 0.00E+00
        3.704 0.00E+00
        3.717 0.00E+00
        3.731 0.00E+00
        3.745 0.00E+00
        3.759 0.00E+00
        3.774 0.00E+00
        3.788 0.00E+00
        3.802 0.00E+00
        3.817 0.00E+00
        3.831 0.00E+00
        3.846 0.00E+00
        3.861 0.00E+00
        3.876 0.00E+00
        3.891 0.00E+00
        3.906 0.00E+00
        3.922 0.00E+00
        3.937 0.00E+00
        3.953 0.00E+00
        3.968 0.00E+00
        3.984 0.00E+00
        4.000 0.00E+00
        4.016 0.00E+00
        4.032 0.00E+00
        4.049 0.00E+00
        4.065 0.00E+00
        4.082 0.00E+00
        4.098 0.00E+00
        4.115 0.00E+00
        4.132 0.00E+00
        4.149 0.00E+00
        4.167 0.00E+00
        4.184 0.00E+00
        4.202 0.00E+00
        4.219 0.00E+00
        4.237 0.00E+00
        4.255 0.00E+00
        4.274 0.00E+00
        4.292 0.00E+00
        4.310 0.00E+00
        4.329 0.00E+00
        4.348 0.00E+00
        4.367 0.00E+00
        4.386 0.00E+00
        4.405 0.00E+00
        4.425 0.00E+00
        4.444 0.00E+00
        4.464 0.00E+00
        4.484 0.00E+00
        4.505 0.00E+00
        4.525 0.00E+00
        4.545 0.00E+00
        4.566 0.00E+00
        4.587 0.00E+00
        4.608 0.00E+00
        4.630 0.00E+00
        4.651 0.00E+00
        4.673 0.00E+00
        4.695 0.00E+00
        4.717 0.00E+00
        4.739 0.00E+00
        4.762 0.00E+00
        4.785 0.00E+00
        4.808 0.00E+00
        4.831 0.00E+00
        4.854 0.00E+00
        4.878 0.00E+00
        4.902 0.00E+00
        4.926 0.00E+00
        4.950 0.00E+00
        4.975 0.00E+00
        5.000 0.00E+00
        5.025 0.00E+00
        5.051 0.00E+00
        5.076 0.00E+00
        5.102 0.00E+00
        5.128 0.00E+00
        5.155 0.00E+00
        5.181 0.00E+00
        5.208 0.00E+00
        5.236 0.00E+00
        5.263 0.00E+00
        5.291 0.00E+00
        5.319 0.00E+00
        5.348 0.00E+00
        5.376 0.00E+00
        5.405 0.00E+00
        5.435 0.00E+00
        5.464 0.00E+00
        5.495 0.00E+00
        5.525 0.00E+00
        5.556 0.00E+00
        5.587 0.00E+00
        5.618 0.00E+00
        5.650 0.00E+00
        5.682 0.00E+00
        5.714 0.00E+00
        5.747 0.00E+00
        5.780 0.00E+00
        5.814 0.00E+00
        5.848 0.00E+00
        5.882 0.00E+00
        5.917 0.00E+00
        5.952 0.00E+00
        5.988 0.00E+00
        6.024 0.00E+00
        6.061 0.00E+00
        6.098 0.00E+00
        6.135 0.00E+00
        6.173 0.00E+00
        6.211 0.00E+00
        6.250 0.00E+00
        6.289 0.00E+00
        6.329 0.00E+00
        6.369 0.00E+00
        6.410 0.00E+00
        6.452 0.00E+00
        6.494 0.00E+00
        6.536 0.00E+00
        6.579 0.00E+00
        6.623 0.00E+00
        6.667 0.00E+00
        6.711 0.00E+00
        6.757 0.00E+00
        6.803 0.00E+00
        6.849 0.00E+00
        6.897 0.00E+00
        6.944 0.00E+00
        6.993 0.00E+00
        7.042 0.00E+00
        7.092 0.00E+00
        7.143 0.00E+00
        7.194 0.00E+00
        7.246 0.00E+00
        7.299 0.00E+00
        7.353 0.00E+00
        7.407 0.00E+00
        7.463 0.00E+00
        7.519 0.00E+00
        7.576 0.00E+00
        7.634 0.00E+00
        7.692 0.00E+00
        7.752 0.00E+00
        7.813 0.00E+00
        7.874 0.00E+00
        7.937 0.00E+00
        8.000 0.00E+00
        8.065 0.00E+00
        8.130 0.00E+00
        8.197 0.00E+00
        8.264 0.00E+00
        8.333 0.00E+00
        8.403 0.00E+00
        8.475 0.00E+00
        8.547 0.00E+00
        8.621 0.00E+00
        8.696 0.00E+00
        8.772 0.00E+00
        8.850 0.00E+00
        8.929 0.00E+00
        9.009 0.00E+00
        9.091 0.00E+00
        9.174 0.00E+00
        9.259 0.00E+00
        9.346 0.00E+00
        9.434 0.00E+00
        9.524 0.00E+00
        9.615 0.00E+00
        9.709 0.00E+00
        9.804 0.00E+00
        9.901 0.00E+00
        10.000 0.00E+00
        10.101 0.00E+00
        10.204 0.00E+00
        10.309 0.00E+00
        10.417 0.00E+00
        10.526 0.00E+00
        10.638 0.00E+00
        10.753 0.00E+00
        10.870 0.00E+00
        10.989 0.00E+00
        11.111 0.00E+00
        11.236 0.00E+00
        11.364 0.00E+00
        11.494 0.00E+00
        11.628 0.00E+00
        11.765 0.00E+00
        11.905 0.00E+00
        12.048 0.00E+00
        12.195 0.00E+00
        12.346 0.00E+00
        12.500 0.00E+00
        12.658 0.00E+00
        12.821 0.00E+00
        12.987 0.00E+00
        13.158 0.00E+00
        13.333 0.00E+00
        13.514 0.00E+00
        13.699 0.00E+00
        13.889 0.00E+00
        14.085 0.00E+00
        14.286 0.00E+00
        14.493 0.00E+00
        14.706 0.00E+00
        14.925 0.00E+00
        15.152 0.00E+00
        15.385 0.00E+00
        15.625 0.00E+00
        15.873 0.00E+00
        16.129 0.00E+00
        16.393 0.00E+00
        16.667 0.00E+00
        16.949 0.00E+00
        17.241 0.00E+00
        17.544 0.00E+00
        17.857 0.00E+00
        18.182 0.00E+00
        18.519 0.00E+00
        18.868 0.00E+00
        19.231 0.00E+00
        19.608 0.00E+00
        20.000 0.00E+00
        20.408 0.00E+00
        20.833 0.00E+00
        21.277 0.00E+00
        21.739 0.00E+00
        22.222 0.00E+00
        22.727 0.00E+00
        23.256 0.00E+00
        23.810 0.00E+00
        24.390 0.00E+00
        25.000 0.00E+00
        25.641 0.00E+00
        26.316 0.00E+00
        27.027 0.00E+00
        27.778 0.00E+00
        28.571 0.00E+00
        29.412 0.00E+00
        30.303 0.00E+00
        31.250 0.00E+00
        32.258 0.00E+00
        33.333 0.00E+00
        34.483 0.00E+00
        35.714 0.00E+00
        37.037 0.00E+00
        38.462 0.00E+00
        40.000 0.00E+00