Keywords: Metamaterial (14714807731).jpg Schematic of NIST's one-way metamaterial Forward travelling green light left or red light passes through the multilayered block and comes out at an angle due to diffraction off of grates on the surface of the material Light travelling in the opposite direction right is almost completely filtered by the metamaterial and can't pass through See also http //www nist gov/cnst/light-070114 cfm www nist gov/cnst/light-070114 cfm Credit Xu/NIST Disclaimer Any mention of commercial products within NIST web pages is for information only; it does not imply recommendation or endorsement by NIST Use of NIST Information These World Wide Web pages are provided as a public service by the National Institute of Standards and Technology NIST With the exception of material marked as copyrighted information presented on these pages is considered public information and may be distributed or copied Use of appropriate byline/photo/image credits is requested https //www flickr com/photos/usnistgov/14714807731/ Metamaterial 2014-06-30 16 28 https //www flickr com/people/63059536 N06 National Institute of Standards and Technology PD-USGov National Institute of Standards and Technology https //flickr com/photos/63059536 N06/14714807731 2016-09-07 01 31 32 United States Government Work Uncategorized 2016 December 21 |