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Photonic Band Structure of Nanochannel Glass Materials

Published online by Cambridge University Press:  10 February 2011

A. Rosenberg ,
R. J. Tonucci  and
H.-B. Lin
A. Rosenberg
Affiliation:
Naval Research Laboratory, Washington, DC 20375
R. J. Tonucci
Affiliation:
Naval Research Laboratory, Washington, DC 20375
H.-B. Lin
Affiliation:
Naval Research Laboratory, Washington, DC 20375
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Abstract

We demonstrate that nanochannel glass (NCG) materials are ideal for investigating twodimensional (2D) photonic band-structure effects. The NCG materials we have studied consist of triangular arrays of glass cylinders embedded in a glass matrix, having center-tocenter nearest-neighbor separations from 0.54 to 1.08 μm. The indices of refraction of the two glasses differ by less than 0.02 in the relevant spectral region. Narrow attenuation features occur whenever the dispersion relation for light propagating within such a periodic dielectric structure crosses a Brillouin zone boundary. The attenuations corresponding to the first Brillouin zone appear in the near-infrared (IR), at wavelengths between 1 and 3 μm, in good agreement with calculations.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 431: Symposium P – Microporous and Macroporous Materials , 1996 , 449
Copyright
Copyright © Materials Research Society 1996

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