# this file is part of refractiveindex.info database
# refractiveindex.info database is in the public domain
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REFERENCES: |
    T. A. F. König, P. A. Ledin, J. Kerszulis, M. A. Mahmoud, M. A. El-Sayed, J. R. Reynolds, V. V. Tsukruk.
    Electrically tunable plasmonic behavior of nanocube-polymer nanomaterials induced by a redox-active electrochromic polymer.
    <a href="https://doi.org/10.1021/nn501601e"><i>ACS Nano</i> <b>8</b>, 6182-6192 (2014)</a>
    (Numerical data kindly provided by Tobias König)
COMMENTS: |
    Optical constants of poly(vinylpyrrolidone) (PVP)
DATA:
  - type: formula 5
    wavelength_range: 0.375 1
    coefficients: 1.5151 0.00279 -2 5.0756E-4 -4
  - type: tabulated nk
    data: |
        0.375 1.56059344395062 0.00455436776929469
        0.4 1.5523528125 0.00397496253061592
        0.425 1.54609360975084 0.00352525340562765
        0.45 1.54124651425088 0.00316840927242193
        0.475 1.53742808158317 0.00287985790209615
        0.5 1.53437376 0.0026427
        0.525 1.53189705225703 0.00244500223267869
        0.55 1.52986391503313 0.00227814062415041
        0.575 1.52817630432996 0.00213575411562198
        0.6 1.52676135802469 0.00201306476960699
        0.625 1.525564137216 0.00190642500259867
        0.65 1.52454266377228 0.00181300921429985
        0.675 1.52366446920731 0.0017305994949535
        0.7 1.52290415660142 0.0016574339738713
        0.725 1.52224165306293 0.00159209770771666
        0.75 1.52166094024691 0.00153344298128158
        0.775 1.52114912061556 0.00148053028133477
        0.8 1.52069572265625 0.00143258402173329
        0.825 1.52029217829855 0.0013889589415553
        0.85 1.51993142586894 0.00134911432527732
        0.875 1.51960760556435 0.00131259402416015
        0.9 1.51931582380735 0.00127901082789572
        0.925 1.51905196937723 0.00124803413220817
        0.95 1.51881256881086 0.0012193801277216
        0.975 1.51859467184164 0.00119280393490076
        1 1.51839576 0.00116809325380068