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Lightman S, Gvishi R, Hurvitz G, et al. Shaping of light beams by 3D direct laser writing on facets of nonlinear crystals. Opt Lett. 2015;40(19):4460-3doi: 10.1364/OL.40.004460.
Lightman, S., Gvishi, R., Hurvitz, G., & Arie, A. (2015). Shaping of light beams by 3D direct laser writing on facets of nonlinear crystals. Optics letters, 40(19), 4460-3. https://doi.org/10.1364/OL.40.004460
Lightman, Shlomi, et al. "Shaping of light beams by 3D direct laser writing on facets of nonlinear crystals." Optics letters vol. 40,19 (2015): 4460-3. doi: https://doi.org/10.1364/OL.40.004460
Lightman S, Gvishi R, Hurvitz G, Arie A. Shaping of light beams by 3D direct laser writing on facets of nonlinear crystals. Opt Lett. 2015 Oct 01;40(19):4460-3. doi: 10.1364/OL.40.004460. PMID: 26421556.
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Opt Lett. 2015 Oct 01;40(19):4460-3. doi: 10.1364/OL.40.004460.

Shaping of light beams by 3D direct laser writing on facets of nonlinear crystals.

Optics letters

Shlomi Lightman, Raz Gvishi, Gilad Hurvitz, Ady Arie

PMID: 26421556 DOI: 10.1364/OL.40.004460

Abstract

We demonstrate experimentally spatial-mode conversions of light beams generated in a quadratic nonlinear process by micron-scale structures placed on the facets of nonlinear crystals. These structures were printed on the crystal facets using a three-dimensional (3D) direct laser writing system. The functional structures were designed to modify the phase of the beam at specific wavelengths, thereby enabling conversion of a fundamental Gaussian laser beam into different high-order Hermite-Gaussian modes, Laguerre-Gaussian modes, and zeroth-order Bessel beams of the second harmonic. This facet functionalization opens exciting new opportunities for robust and compact beam shaping in a nonlinear interaction without compromising the conversion efficiency.

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