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REFERENCES: |
    <a href="https://refractiveindex.info/download/data/2015/PI_EpoCore_Clad_2015.pdf">Micro resist EpoCore and EpoClad datasheet</a>, 2015
COMMENTS: |
    Micro resist EpoClad negative photoresist for waveguide manufacturing
DATA:
  - type: formula 5
    wavelength_range: 0.45 1.55
    coefficients: 1.560 0.0073 -2 0.00038 -4