Working Principle of the Chiral Photonic Crystal Mirror (IMAGE)

Light Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS

Working Principle of the Chiral Photonic Crystal Mirror

Caption

An illustrative description of the performance of the photonic crystal mirror. The chiral photonic crystal structure can be printed on banknotes and official documents against counterfeiting. Upon applying purely circularly polarized lights of a certain handedness, the patters would be revealed.

Credit

by Semnani, Behrooz, Jeremy Flannery, Rubayet Al Maruf, and Michal Bajcsy

Usage Restrictions

None

License

Licensed content

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.