Paraxial ray optics cloaking

Abstract

Despite much interest and progress in optical spatial cloaking, a three-dimensional (3D), transmitting, continuously multidirectional cloak in the visible regime has not yet been demonstrated. Here we experimentally demonstrate such a cloak using ray optics, albeit with some edge effects. Our device requires no new materials, uses isotropic off-the-shelf optics, scales easily to cloak arbitrarily large objects, and is as broadband as the choice of optical material, all of which have been challenges for current cloaking schemes. In addition, we provide a concise formalism that quantifies and produces perfect optical cloaks in the small-angle (`paraxial') limit.

References in corpus (6)

• Hiding Under the Carpet: a New Strategy for Cloaking
• Macroscopic Invisibility Cloaking of Visible Light
• Macroscopic Invisibility Cloak for Visible Light
• Demonstration of temporal cloaking
• Experimental Verification of 3D Plasmonic Cloaking in Free-Space
• Simple, broadband, optical spatial cloaking of very large objects

Cited by in corpus (7)

• Analytical, numerical and experimental investigation of Luneburg lens system for directional cloaking
• Invisibility Cloak Printed on a Photonic Chip
• Extended symmetries in geometrical optics
• A paraxial cloak with four lenses of different focal lengths
• Line of sight paraxial gravitational cloaking
• Paraxial full-field cloaking
• A simple projective setup to study optical cloaking in the classroom