Bragg Scattering of Surface Waves by a Photo-Induced Array
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.
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- 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.G.F. Brand, Remote millimeter-wave beam control by the illumination of a semiconductor IEEE Trans. Microwave Theory Tech. (in press).Google Scholar
- 3.W.L. Bragg, The diffraction of short electromagnetic waves by a crystal Proc. Cambridge Phil. Soc. 17 43 (1913).Google Scholar
- 4.for example, R.E. Collin, “Field Theory of Guided Waves” (McGraw-Hill, New York, 1960) pp453ff.Google Scholar