Bragg Scattering of Surface Waves by a Photo-Induced Array

  • G. F. Brand
  • J. T. Lizier
Article

Abstract

A pattern of spots of light projected on to a semiconductor wafer creates an array of scatterers that can diffract millimeter-wavelength surface waves through 90° in agreement with the expression for Bragg reflection.

Bragg reflection millimeter waves surface waves photo-induced electron-hole plasma photonic crystal 

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REFERENCES

  1. 1.
    G.F. Brand, Diffraction of millimeter waves by projecting a shadow pattern onto a semiconductor Int. J. Infrared Millimeter Waves 17 1253–1262 (1996).Google Scholar
  2. 2.
    G.F. Brand, Remote millimeter-wave beam control by the illumination of a semiconductor IEEE Trans. Microwave Theory Tech. (in press).Google Scholar
  3. 3.
    W.L. Bragg, The diffraction of short electromagnetic waves by a crystal Proc. Cambridge Phil. Soc. 17 43 (1913).Google Scholar
  4. 4.
    for example, R.E. Collin, “Field Theory of Guided Waves” (McGraw-Hill, New York, 1960) pp453ff.Google Scholar

Copyright information

© Plenum Publishing Corporation 2000

Authors and Affiliations

  • G. F. Brand
    • 1
  • J. T. Lizier
    • 1
  1. 1.School of PhysicsUniversity of SydneyAustralia

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