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Talbot Carpet for a Ronchi Grating
A Ronchi grating is a set of equally spaced parallel wires that creates a diffraction pattern known as a Talbot carpet. The pattern is repeated at multiples of a fixed distance
(the Talbot distance).
Contributed by:
Enrique Zeleny
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The wave in the carpet has the functional form
,
where
is the separation between slits in the Ronchi grating. Here the series is approximated with
terms and evaluated in steps of size
.
References
[1] M. V. Berry, I. Marzoli, and W. Schleich, "Quantum Carpets, Carpets of Light,"
Physics World
,
14
(6), 2001 pp. 39–44.
[2] M. S. Kim, T. Scharf, C. Menzel, C. Rockstuhl, and H. P. Herzig, "
Talbot Images of Wavelength-Scale Amplitude Gratings
,"
Optics Express
,
20
(5), 2012 pp. 4903–4920.
RELATED LINKS
Diffraction
(
ScienceWorld
)
PERMANENT CITATION
Enrique Zeleny
"
Talbot Carpet for a Ronchi Grating
"
http://demonstrations.wolfram.com/TalbotCarpetForARonchiGrating/
Wolfram Demonstrations Project
Published: August 13, 2013
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