Diffraction patterns generated by conducting Cantor gratings

Silvia A. Ledesma; Claudio C. Iemmi; Vera L. Brudny

doi:10.1117/12.231059

5 February 1996 Diffraction patterns generated by conducting Cantor gratings

Silvia A. Ledesma, Claudio C. Iemmi, Vera L. Brudny

Proceedings Volume 2730, Second Iberoamerican Meeting on Optics; (1996) https://doi.org/10.1117/12.231059
Event: Second Iberoamerican Meeting on Optics, 1995, Guanajuato, Mexico

Abstract

We present here a study of the Fraunhofer diffraction patterns produced by perfectly conducting surfaces that have a fractal profile of the Cantor bars type. The wavelength- minimum diffractive element ratio of this object is chosen in such a way that the scalar approximation for calculating the intensity distribution in the Fraunhofer plane is in principle no longer valid. We evaluate the diffraction pattern from both the FFT method and an electromagnetic vectorial method. The self-similarity features of the diffraction patterns obtained from these methods are calculated and the results are compared.

Citation Download Citation

Silvia A. Ledesma, Claudio C. Iemmi, and Vera L. Brudny "Diffraction patterns generated by conducting Cantor gratings", Proc. SPIE 2730, Second Iberoamerican Meeting on Optics, (5 February 1996); https://doi.org/10.1117/12.231059

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