Structurally perturbed chiral Bragg reflectors for elliptically polarized light.
The structure of an inorganic chiral medium represented as a stack of identical form-birefringent layers that twist steadily with increasing thickness is perturbed by realigning a fraction of each layer to a fixed direction. Experimental results show that the resulting chiral-birefringent composite medium exhibits Bragg resonance with elliptically polarized light, and simulations indicate that Bragg reflectors can be designed for any polarization including linear.
Hodgkinson
Ian
I
Department of Physics, University of Otago, PO Box 56, Dunedin, New Zealand. ijh@physics.otago.ac.nz
Wu
Qi Hong
QH
De Silva
Lakshman
L
Arnold
Matthew
M
Lakhtakia
Akhlesh
A
McCall
Martin
M