# this file is part of refractiveindex.info database
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REFERENCES: "J. J. Carvajal, P. Segonds, A. Peña, J. Zaccaro, B. Boulanger, F. Díaz and M. Aguiló. Structural and optical properties of RbTiOPO<sub>4</sub>:Nb crystals , <a href=\"https://doi.org/10.1088/0953-8984/19/11/116214\"><i>J. Phys.: Condens. Matter</i> <b>19</b>, 116214, 2007</a>"
COMMENTS: "n<sub>γ</sub>; 293 K (20 °C)."
DATA:
  - type: formula 4
    wavelength_range: 0.4 1.5
    coefficients: 2.2864 1.1280 2 0.0562 1 0 0 0 1 -0.0188 2
