title: Invisibility cloak with image projection capability.
abstract: Investigations of invisibility cloaks have been led by rigorous theories and such cloak structures, in general, require extreme material parameters. Consequently, it is challenging to realize them, particularly in the full visible region. Due to the insensitivity of human eyes to the polarization and phase of light, cloaking a large object in the full visible region has been recently realized by a simplified theory. Here, we experimentally demonstrate a device concept where a large object can be concealed in a cloak structure and at the same time any images can be projected through it by utilizing a distinctively different approach; the cloaking via one polarization and the image projection via the other orthogonal polarization. Our device structure consists of commercially available optical components such as polarizers and mirrors, and therefore, provides a significant further step towards practical application scenarios such as transparent devices and see-through displays.
authors.affiliation: Toyota Research Institute of North America, Toyota Motor North America, Ann Arbor, MI 48105, USA.
authors.forename: Debasish
authors.initials: D
authors.lastname: Banerjee
authors.affiliation: Toyota Research Institute of North America, Toyota Motor North America, Ann Arbor, MI 48105, USA.|Department of Electrical Engineering &Computer Science, University of Michigan, Ann Arbor, MI 48109, USA.
authors.forename: Chengang
authors.initials: C
authors.lastname: Ji
authors.affiliation: Toyota Central Research &Development Labs., Nagakute, Aichi 480 1192, Japan.
authors.forename: Hideo
authors.initials: H
authors.lastname: Iizuka