Self-imaging, self-healing beams generated by photorefractive volume holography

Jonathan P. Manigo; Raphael A. A. Guerrero

doi:10.1117/1.OE.54.10.104113

28 October 2015 Self-imaging, self-healing beams generated by photorefractive volume holography

Jonathan P. Manigo, Raphael A. A. Guerrero

Author Affiliations +

Optical Engineering, Vol. 54, Issue 10, 104113 (October 2015). https://doi.org/10.1117/1.OE.54.10.104113

Abstract

Self-imaging beams consisting of three-dimensional intensity voids are generated via photorefractive volume holography. Reconstruction of a volume hologram recorded at 594 nm is performed with a Bessel readout beam. The holographic output is similar in appearance to a Bessel beam, with the central spot oscillating between maximum and zero intensity over a propagation distance of 10 to 55 cm. The oscillation period for the on-axis intensity is 30 cm. The reconstruction is capable of self-healing, with a fully recovered central core after the beam propagates 40 cm. Dual-wavelength reconstruction at 632.8 nm produces an output beam with similar self-imaging and self-healing properties. A theoretical framework based on the interference of a plane wave and a Bessel beam simultaneously reconstructed from a volume hologram is able to describe our experimental results.

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Jonathan P. Manigo and Raphael A. A. Guerrero "Self-imaging, self-healing beams generated by photorefractive volume holography," Optical Engineering 54(10), 104113 (28 October 2015). https://doi.org/10.1117/1.OE.54.10.104113

Published: 28 October 2015

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