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Asian Journal of Physics Vol. 30 Nos 8 & 9 (2021) 1277-1282

Tunable focalizers as nonconventional phase filters
Cristina M Gómez-Sarabia1, Ángel Sauceda-Carvajal2 and Jorge Ojeda-Castañeda3

Abstract

We disclose the use of tunable focusing elements as phase-only spatial filters for designing nonconventional optical systems. We revisit the use of a pair of masks with helically phase variations implementing a spherical varifocal lens. This result is extended to the design of another pair of phase masks that can control astigmatism. © Anita Publications. All rights reserved.
Keywords: Varifocal lenses, Spatial Filters, Phase-only Masks, Generalized pupil functions.

Peer Review Information
Method: Single- anonymous; Screened for Plagiarism? Yes
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