# 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: |
    M. D. Ewbank, P. R. Newman, N. L. Mota, S. M. Lee, W. L. Wolfe, A. G. DeBell, W. A. Harrison.
    The temperature dependence of optical and mechanical properties of Tl<sub>3</sub>AsSe<sub>3</sub>.
    <a href="https://doi.org/10.1063/1.328128"><i>J. Appl. Phys.</i> <b>51</b>, 3848-3852  (1980)</a>
COMMENTS: |
    Extraordinary ray (e)
CONDITIONS:
    direction: e
DATA:
  - type: formula 1
    wavelength_range: 2 12
    coefficients: 0 8.993 0.444 0.308 25.0