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Volume 21, Issue 4, Pages 259-263

Material Dispersion in Intrinsic GaAs for the Far-Infrared Range

Scientific Consultants, C/Julio Palacios, 11, 9-B, Madrid 28029, Spain

Received 25 July 1998; Accepted 4 September 1998

Copyright © 1998 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


An expression for the coefficient of material dispersion in intrinsic gallium arsenide for the far-infrared range is derived. From this result, the variation of the group index in the above range is discussed.