Transverse shifts of a reflected light beam from the air-chiral interface
- Department of Physics, Suzhou University of Science and Technology, Suzhou 215009 (China)
Based on a general beam-propagation model, we derive in the paraxial approximation the analytical expressions for the spatial transverse shift (TS) and the angular TS of a beam reflected from the air-chiral interface. The results show that the TSs are closely related to the propagation behaviors of the right-circularly polarized (RCP) and the left-circularly polarized (LCP) waves in the chiral medium. When the L(R)CP wave becomes evanescent, the left (right)-elliptically polarized incident beam suffers a smaller TS. When the L(R)CP wave propagates, the left (right)-elliptically polarized incident beam experiences a greater TS. When the total internal reflection happens, neither of the two elliptically polarized incident beams suffers TSs. TSs can be controlled not only by adjusting the central angle of incidence, but also by tailoring the permittivity, permeability, and chirality parameter of the chiral medium.
- OSTI ID:
- 21546877
- Journal Information:
- Physical Review. A, Vol. 83, Issue 5; Other Information: DOI: 10.1103/PhysRevA.83.053828; (c) 2011 American Institute of Physics; ISSN 1050-2947
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
GENERAL PHYSICS
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
AIR
APPROXIMATIONS
CHIRALITY
INCIDENCE ANGLE
INTERFACES
PERMEABILITY
PERMITTIVITY
PHOTON BEAMS
POLARIZED BEAMS
REFLECTION
VISIBLE RADIATION
BEAMS
CALCULATION METHODS
DIELECTRIC PROPERTIES
ELECTRICAL PROPERTIES
ELECTROMAGNETIC RADIATION
FLUIDS
GASES
PARTICLE PROPERTIES
PHYSICAL PROPERTIES
RADIATIONS