Analysis of a quasi-periodical structure through its autocorrelation function

Yobani Mejia; Vladimir B. Markov; Roman Castaneda

doi:10.1117/1.600970

1 October 1996 Analysis of a quasi-periodical structure through its autocorrelation function

Yobani Mejia, Vladimir B. Markov, Roman Castaneda

Optical Engineering, Vol. 35, Issue 10, (October 1996). https://doi.org/10.1117/1.600970

The method of analysis and reconstruction of the structure for a 1-D nonregular grating composed of N identical apertures is discussed. The transmittance function of the grating is expressed as the sum of transmittance functions of pairs of the apertures, and the classes of these pairs are determined through their separation. Applying the autocorrelation technique to the function of intensity distribution in the far field of such a grating’s transmittance, it is possible to determine grating autocorrelation function. This function contains complete information concerning the actual structure of the grating itself, i.e., classes of the pairs of the apertures and their populations. With such information, it is possible to reconstruct the structure of the object.

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Yobani Mejia, Vladimir B. Markov, and Roman Castaneda "Analysis of a quasi-periodical structure through its autocorrelation function," Optical Engineering 35(10), (1 October 1996). https://doi.org/10.1117/1.600970

Published: 1 October 1996

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