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Tunable liquid crystal cylindrical micro-optical array for aberration compensation

Abstract: A tunable aberration compensation device for rectangular micro-optical systems is proposed and demonstrated. This device, which is based in nematic liquid crystal and a micro-electrode structure, forms gradients in the index of refraction as a function of voltage. We have developed a fringe skeletonizing application in order to extract the 3D wavefront from an interference pattern. This software tool obtains the optical aberrations using Chebyshev polynomials. By using phase shifted electrical signals the aberrations can be controlled independently. A complete independent control over the spherical and coma aberration has been demonstrated. Also, an independent control over the astigmatism aberration has been demonstrated in a broad range. This device has promising applications where aberration compensation is required. The independent compensation achieved for some coefficients, such as astigmatism for example, is more than 2.4 waves.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Fuente: Optics Express, 2015, 23(11), 13899-13915

Editorial: Optica Publishing Group

 Fecha de publicación: 01/06/2015

Nº de páginas: 17

Tipo de publicación: Artículo de Revista

 DOI: 10.1364/OE.23.013899

ISSN: 1094-4087

 Proyecto español: TEC2013-47342-C2-2-R

Url de la publicación: https://doi.org/10.1364/OE.23.013899

Autoría

URRUCHI DEL POZO, VIRGINIA

BENNIS, NOUREDDINE

JOSE MANUEL SANCHEZ PENA

OTÓN SÁNCHEZ, JOSÉ MANUEL