image: Ghost image generated by helicity-dependent metasurface holography offers a promising optical encryption. This material relates to a paper that appeared in the 08 Sept. 2017, issue of Science Advances, published by AAAS. The paper, by H.-C. Liu at University of Birmingham in Birmingham, UK, and colleagues was titled, "Single-pixel computational ghost imaging with helicity-dependent metasurface hologram." view more
Credit: [Credit: Hongchao Liu]