Abstract
ABSTRACT The free-space evolution of a conically refracted Gaussian beam after being imaged by a lens is studied both theoretically and experimentally. It is shown that, in contrast to the longitudinal symmetry of a regular conically refracted beam with respect to its focal plane, the imaged beam acquires a strong longitudinal asymmetry, similarly to other known coherent beams with complex internal structure evolving upon propagation. Paraxial amplitude expressions for the two conical refraction components of the imaged beam are derived as functions of the imaging lens focal length and of the magnification value. A very good agreement between theoretical and experimental results is demonstrated.
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