We apply a (rigorous) Green’s function theory to study the Doppler effects of a light source placed on top of a metamaterial slab. When the receiver is in motion with the source and the slab, we find that, in addition to a conventional Doppler mode, there are several other frequency components that do not obey the standard frequency-shift rule. We show that such new effects are caused by the coupling between the radiated electromagnetic waves and the surface modes of the metamaterial slab, whose dispersion relation varies as a function of velocity in the moving reference frame.
© 2008 Optical Society of America
Original Manuscript: October 12, 2007
Revised Manuscript: January 10, 2008
Manuscript Accepted: January 14, 2008
Published: February 14, 2008
Weihua Wang, Xueqin Huang, Lei Zhou, and C. T. Chan, "Doppler effects of a light source on a metamaterial slab: a rigorous Green's function approach," Opt. Lett. 33, 369-371 (2008)