Talbot interferometry in the measurement of the refractive indices of a doubly refracting crystal.
The Talbot effect and moiré fringes are combined to measure the refractive indices of a birefringent material. Techniques based on the visibility of moiré fringes in finite fringe mode and based on fringe count are presented. These techniques are sensitive and advantageous. They are described and analyzed.
Bhattacharya
J C
JC