L. Labrunie, G. Pauliat, J. C. Launay, S. Leidenbach, and G. Roosen, Real-time double exposure holographic phase shifting interferometer using a photorefractive crystal, Optics Communications, vol.140, issue.1-3, p.119, 1997.
DOI : 10.1016/S0030-4018(97)00121-1

B. Sugg, K. V. Shcherbin, and J. Frejlich, Determination of the time constant of fast photorefractive materials using the phase modulation technique, Applied Physics Letters, vol.66, issue.24, p.3257, 1995.
DOI : 10.1063/1.113396