| Issue |
J. Eur. Opt. Soc.-Rapid Publ.
Volume 6, 2011
|
|
|---|---|---|
| Article Number | 11055 | |
| Number of page(s) | 7 | |
| DOI | https://doi.org/10.2971/jeos.2011.11055 | |
| Published online | 08 December 2011 | |
Regular papers
Effect of fill-factor on the Talbot effect of diffraction gratings
Applied Optics Complutense Group, Optics Department Universidad Complutense de Madrid, Facultad de Ciencias Físicas, Ciudad Universitaria s.n., 28040, Madrid ( Spain )
Received:
1
July
2011
We analyze the effect of the fill factor of binary diffraction gratings on the Talbot effect under a scalar approach. We show that the location of the best-visibility planes changes with the configuration parameters of the grating, that is, the amplitude and phase modulation and the fill factor. Moreover, different intensity patterns and contrast shapes can be obtained when different configurations are used. Analytical expressions describing the contrast of the diffracted field are obtained, that agree with numerical simulations.
Key words: diffracting gratings / fill factor
© The Author(s) 2011. All rights reserved.
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