Flipping photons backward: reversed Cherenkov radiation
Name
Chen-2011-Flipping photons bac.pdf
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1.31 MB
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faefc235605f236f3bdd29e1f1a41aca
Author(s)
Chen, Hongsheng
Chen, Min
Date Issued
January 2011
Journal
Materials Today
Publisher
Elsevier B.V.
Citation
Chen, Hongsheng, and Min Chen. “Flipping Photons Backward: Reversed Cherenkov Radiation.” Materials Today 14, no. 1–2 (January 2011): 34–41.© 2011 Elsevier Ltd.
Version
Final published version
Abstract
Charged particles moving faster than light in a medium produce Cherenkov radiation. In traditional, positive index-of-refraction materials this radiation travels forward. Metamaterials, with negative indices of refraction, flip the radiation backward. This readily separates it from the particles, providing higher flexibility in photon manipulation and is useful for particle identification and counting. Here we review recent advances in reversed Cherenkov radiation research, including the first demonstration of backward emission. We also discuss the potential for developing new types of devices, such as ones that pierce invisibility cloaks.
MIT Department
Massachusetts Institute of Technology. Department of Physics
Massachusetts Institute of Technology. Research Laboratory of Electronics
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DOI of Published Version
https://doi.org/10.1016/S1369-7021(11)70020-7
