Abstract

We demonstrate an efficient approach for the investigation of polarization states of a Bessel beam along the propagation direction. Furthermore, we propose a method to generate Bessel–moiré using a birefringent lens and Wollaston prism. The analysis showed that an experimentally generated incoherent moiré pattern is analogous to a theoretically simulated pattern. Moreover, we verified that inhomogeneous polarization states of a Bessel beam are still present in Bessel–moiré along its propagation direction. Our observation of Bessel–moiré due to mechanical vibration depicts the fact that incoherent moiré is stable, whereas the coherent moiré is sensitive to external vibration only along its propagation direction.

© 2018 Optical Society of America

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Supplementary Material (2)

NameDescription
» Visualization 1       Effect of vibration on coherent Bessel-moiré (off-central view).
» Visualization 2       Effect of vibration on coherent Bessel-moiré (central view).

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