Abstract
Negative refractive optics is considered to bring forth new optical functions that have been out of reach for classical optics. Since materials with a negative refractive index are difficult to find or fabricate, the photonic crystal (PhC) is currently deemed the most potential candidate bringing negative refraction into the optical regime without requiring the material's refractive index itself being negative. In this work, we first look at the optical properties of a slab lens and then analyze a common PhC structure with negative refractive behavior with respect to optical transmission, dispersion and wavefront aberration. By taking a PhC slab we determine the geometrical and physical conditions that allow it to provide imaging similar to a lens.
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