Tunable sinusoidal Phase Gratings and sinusoidal Phase Zone Plates

Jorge Ojeda-Castaneda, Cristina M. Gómez-Sarabia, Miguel Torres-Cisneros, Luis M. Ledesma-Carrillo, Rafael Guzmán-Cabrera, Cipriano Guzmán-Cano

Abstract


We disclose the use of a suitable pair of phase-only masks for generating sinusoidal phase gratings, or sinusoidal phase zone plates, with tunable optical path delays. We show that these gratings can have either 1-D structure or a 2-D radial structure.

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Photonics Letters of Poland - A Publication of the Photonics Society of Poland
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