# 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: |
    K. Luke, Y. Okawachi, M. R. E. Lamont, A. L. Gaeta, M. Lipson.
    Broadband mid-infrared frequency comb generation in a Si<sub>3</sub>N<sub>4</sub> microresonator.
    <a href="https://doi.org/10.1364/OL.40.004823"><i>Opt. Lett.</i> <b>40</b>, 4823-4826 (2015)</a>
COMMENTS: |
    340 nm Si<sub>3</sub>N<sub>4</sub> on 3.1 μm of thermal SiO<sub>2</sub> on silicon.
DATA:
  - type: formula 1
    wavelength_range: 0.310 5.504
    coefficients: 0 3.0249 0.1353406 40314 1239.842