Goos-Hanchen-like displacement of finite-sized light beams through a thin dielectric slab

It was investigated that the finite-sized light beam transmitting through a thin dielectric slab would experiences four non-geometric effects, such as Goos-Hanchen-like (GHL) displacement, angular deflection, modification of waist width,and longitudinal focal shift. Necessary conditions were advanced for the GHL displacement to be backward. The experimental observations of the backward GHL displacement in the microwave region were reported for the first time. These novel phenomena will have potential applications in optical devices and integrated optics