Instrumentation, Techniques, and Measurement

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

[+] Author Affiliations
Jonathan P. Manigo, Raphael A. Guerrero

Ateneo de Manila University, Department of Physics, Loyola Heights, Quezon City 1108, Philippines

Opt. Eng. 54(10), 104113 (Oct 28, 2015). doi:10.1117/1.OE.54.10.104113
History: Received August 12, 2015; Accepted September 25, 2015
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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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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Jonathan P. Manigo and Raphael A. Guerrero
"Self-imaging, self-healing beams generated by photorefractive volume holography", Opt. Eng. 54(10), 104113 (Oct 28, 2015). ; http://dx.doi.org/10.1117/1.OE.54.10.104113


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