Analysis of wavefront propagation using the Talbot effect

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

Talbot imaging is a well-known effect that causes sinusoidal patterns to be reimaged by diffraction with characteristic period that varies inversely with both wavelength and the square of the spatial frequency. This effect is treated using the Fresnel diffraction integral for fields with sinusoidal ripples in amplitude or phase. The periodic nature is demonstrated and explained, and a sinusoidal approximation is made for the case where the phase or amplitude ripples are small, which allows direct determination of the field for arbitrary propagation distance. Coupled with a straightforward method for calculating the effect in a diverging or converging beam, the Talbot method provides a useful approximation for a class of diffraction problems.

Original languageEnglish (US)
Pages (from-to)5351-5359
Number of pages9
JournalApplied Optics
Volume49
Issue number28
DOIs
StatePublished - Oct 1 2010

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Wavefronts
Diffraction
ripples
propagation
Fresnel diffraction
approximation
diffraction
Imaging techniques
Wavelength
causes
wavelengths

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Analysis of wavefront propagation using the Talbot effect. / Zhou, Ping; Burge, James H.

In: Applied Optics, Vol. 49, No. 28, 01.10.2010, p. 5351-5359.

Research output: Contribution to journalArticle

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