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Abstract
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In this work, the Imbert–Fedorov (IF) shift of an optical beam with a Gaussian profile
reflected from a dielectric/air interface and an air/Epsilon-Near-Zero material interface is
studied. The IF shift has been theoretically and numerically investigated for different incident
angles and different dielectric constants at the incident wavelength of 633 nm. The
results showed that by changing the polarization and angle of the incident light, as well as
changing the dielectric constant of the matter, the behavior and amount of IF shift changes.
Furthermore, for different dielectric constants, the peaks of the IF shift occur at different
incidence angles. In addition, the amplitude and phase of the Fresnel reflection coefficients
for both p and s polarizations, as well as the difference of the IF shift of the right- and lefthanded
circular components for incident p and s polarizations have been studied in terms
of different incident angles. It is found that making a small variation in the values of each
of the mentioned parameters changes the value of the IF shift.
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