Table 1 Fitting parameters of power-law and Murnaghan-type models for the refractive index of water (0.05–1.29 GPa) and ice VI (1.17–2.21 GPa).

From: Interferometric measurements of refractive index and dispersion at high pressure

Phase

\(a_{1}\) (fixed)

\(b_{1}\)

\(c_{1}\)

\(d_{1}\)

\(a_{2}\)

\(b_{2}\)

\(c_{2}\) (fixed)

Water

0.900

0.432 ± 0.0001

2.653 ± 0.044

0.126 ± 0.001

1.327 ± 0.002

30.182 ± 2.036

6

Ice VI

0.425

0.995 ± 0.008

0.555 ± 0.479

0.065 ± 0.029

1.398 ± 0.0009

36.607 ± 0.961

14

  1. The subscripts 1 and 2 refer to power-law and Murnaghan-type models, respectively.