Abstract
We demonstrate three amplitude cloaks that can hide very large spatial objects over the entire visible spectrum using only passive, off-the-shelf optics. The cloaked region for all of the devices exceeds , with the largest exceeding . Although unidirectional, these cloaks can hide the cloaked object, even if the object is transversely illuminated or self-illuminated. Due to the small usable solid angle, but simple scaling, these cloaks may be of value in hiding small field-of-view objects such as mid- to high-earth orbit satellites from earth-based observation. Active phase front manipulation can also make these cloaks invisible to some forms of image homodyning.
© 2014 Optical Society of America
Full Article | PDF ArticleMore Like This
Ran Duan, Elena Semouchkina, and Ravi Pandey
Opt. Express 22(22) 27193-27202 (2014)
Joseph S. Choi and John C. Howell
Opt. Express 22(24) 29465-29478 (2014)
Qiluan Cheng, Kedi Wu, and Guo Ping Wang
Opt. Express 19(23) 23240-23248 (2011)