This Calculator Will Help You To Calculate phase retardation of light at non-normal incidence of birefringent crystal when the optical axis is parallel to the crystal surface and perpendicular to the plane of incidence

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$\delta$ =$\frac{2 \pi d}{\lambda}$ (n$_e$- n$_o$)

The ordinary Refraction Refractive Index n$_o$; The extra-ordinary refraction refractive index n$_e$; Wavelength $\lambda$; Thickness of The Crystal d;Phase retardation $\delta$;


Input
Ordinary refraction refractive index, n$_0$:
Extra-ordinary refraction refractive index, n$_e$:
Wavelength, $\lambda$:
 
nm
Thickness of the crystal, d:
 
mm




Output
Phase Retardation, $\delta$:
radian