Abstract
The panoramic lens is a special kind of lens, which is applied to observe full view. In this letter, we theoretically present a panoramic lens (PL) using transformation optics method. The lens is designed with inhomogeneous and anisotropic constitutive parameters, which has the ability to gather light from all directions and confine light within the visual angle of observer. Simulation results validate our theoretical design.
Highlights
MethodsBased on the light trajectory inside the panoramic lens (PL), we use transformation optics to satisfy the above requirement. (r, θ, z) and (r′, θ′,z′) are the coordinates in virtual space and physical space, respectively
The panoramic lens is a special kind of lens, which is applied to observe full view
Due to the limit of average visual angle, the observer has to move his/her head in order to get a full view if an annular lens is used directly
Summary
Based on the light trajectory inside the PL, we use transformation optics to satisfy the above requirement. (r, θ, z) and (r′, θ′,z′) are the coordinates in virtual space and physical space, respectively. In this virtual space, the observer in region A needs to rotate his/her head in order to get a full view because of the annular shape of the screen. The screen is changed into an arc in physical space, where the corresponding angle is chosen as the visual angle of average person.
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