10.17862/cranfield.rd.5589817.v1
Christopher King
Christopher
King
S.A.R. Horsley
S.A.R.
Horsley
T.G. Philbin
T.G.
Philbin
Invisible Random Media and Diffraction Gratings That Don’t Diffract
Cranfield Online Research Data (CORD)
2017
Invisibility
Wave propagation
Graded-index
DSDS17 technical paper
DSDS17
Electrical and Electromagnetic Methods in Geophysics
2017-11-15 12:00:54
Journal contribution
https://cord.cranfield.ac.uk/articles/journal_contribution/Invisible_Random_Media_and_Diffraction_Gratings_That_Don_t_Diffract/5589817
<div>Technical paper presented at the 2017 Defence and Security Doctoral Symposium.</div><div><br></div><div>Electromagnetic waves propagating through inhomogeneous media will, in general, be scattered in multiple directions. In practical situations this is often undesirable. In this work we discuss ways to mathematically design lossless linear isotropic graded index permittivity profiles in one and two dimensions which suppress scattering. This has some counter-intuitive implications, such as disordered media exhibiting perfect transmission, and periodic gratings which don’t diffract.</div><div><br></div>