In this paper, the Talbot effect under illuminated by ultrashort laser pulses with complex spectral distribution has been studied. By using a Michelson interferometer, ultrashort laser pulses with complex spectral distribution can be generated based on the spectral interference of ultrashort laser ...
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Through numerical calculation, we find the temporal Talbot effect is both time-dependent and distance-dependent. For the width of the input pulse Δτ within a few decade femtoseconds, the shorter Talbot distance, and /or the longer length of the input pulse, the more similar the outline of...
Talbot effectctphase-only sampledctarbitrarily chirpedctFiber Bragg gratingsctwavelength-divisionmultiplexing (WDM)In this work, we demonstrate that the spectral self-imaging phenomenon is not restricted to phase-only sampled andlinearly chirped fiber Bragg gratings(LCFBGs), rather they can be ...
talbot effectfemtosecond phenomenaExperimental investigation of Talbot self-imaging effect of an amplitude grating under illumination of femtosecond laser pulse — the FemtoTalbot effect is reported. Theoretical analyzed results show that Talbot images under illumination of femtosecond laser pulses are not ...
The Talbot effect has been previously examined in the millimeter-wave band. This paper presents an experimental investigation into the application of the Talbot effect to perform millimeter-wave power amplification at 30 GHz. Power splitting and combining using the Talbot effect holds the potential ...
Commonly the Talbot effect only consider the scalar nature of the fields, however the vectorial nature of the fields also plays an important role in free propagation. In this work, we study theoretically and experimentally the free propagation at fractional Talbot distances of inhomogeneous ...
The communicate presents a new interpretation of the Talbot effect for periodical objects limited by finite apertures. According to the proposed approach, a self-image of a real, finite object is a superposition of deformed images of an elementary cell. The singular elementary cell image is ...
talbot effectA generalization of the fractional Talbot effect to the case of a tapered gradient-index medium for uniform illumination is considered. A unit cell of the fractional Talbot image contains the superposition of unit cell images of the periodic object.R.Fernandez-Pousa, C....
Talbot focusingThe features of the Talbot effect using the phase diffraction gratings have been considered. A phase grating, unlike an amplitude grating, gives a constant light intensity in the observation plane at a distance multiple to half of the Talbot length Z_T. In this case, the ...