Abstract
This chapter discusses the atom interference using microfabricated structures. It considers Talbot effect and other interference phenomena as a consequence of the recoil effect. Microfabricated structures provide 100% modulation of the incident atomic beam. They offer the additional advantage that their period and duty cycle (ratio of slit opening to period) can be chosen arbitrarily within the limits of current lithographic technology. The chapter discusses conditions necessary for the observation of matter–wave interference in different regimes. It provides rigorous proof of the equivalence of theories based on Fresnel–Kirchhoff integrals and on the recoil effect. The chapter also discusses a theory of the Talbot-Lau effect. It considers the Talbot and Talbot-Lau effect for a thermal beam in the limit where the characteristic length scale in the problem is larger than the Talbot length.
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