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Appl. Sci. 2018, 8(11), 2310; https://doi.org/10.3390/app8112310

Microparticle Manipulation and Imaging through a Self-Calibrated Liquid Crystal on Silicon Display

1
Departamento de Física, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
2
Leibniz Institute of Photonic Technology, Albert-Einstein-Straße 9, 07745 Jena, Germany
3
School of Physics and Astronomy, Kelvin Building, University of Glasgow, Glasgow G12 8QQ, UK
4
Instituto de Ciencias Aplicadas y Tecnología (ICAT), Universidad Nacional Autónoma de México, 04510 Mexico City, Mexico
5
Departamento de Física, Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas, 1428 Buenos Aires, Argentina
*
Author to whom correspondence should be addressed.
Received: 24 October 2018 / Revised: 13 November 2018 / Accepted: 16 November 2018 / Published: 20 November 2018
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Abstract

We present in this paper a revision of three different methods we conceived in the framework of liquid crystal on silicon (LCoS) display optimization and application. We preliminarily demonstrate an LCoS self-calibration technique, from which we can perform a complete LCoS characterization. In particular, two important characteristics of LCoS displays are retrieved by using self-addressed digital holograms. On the one hand, we determine its phase-voltage curve by using the interference pattern generated by a digital two-sectorial split-lens configuration. On the other hand, the LCoS surface profile is also determined by using a self-addressed dynamic micro-lens array pattern. Second, the implementation of microparticle manipulation through optical traps created by an LCoS display is demonstrated. Finally, an LCoS display based inline (IL) holographic imaging system is described. By using the LCoS display to implement a double-sideband filter configuration, this inline architecture demonstrates the advantage of obtaining dynamic holographic imaging of microparticles independently of their spatial positions by avoiding the non-desired conjugate images. View Full-Text
Keywords: Liquid Crystal on Silicon display; phase modulation; optical manipulation; calibration; holography; diffractive optics Liquid Crystal on Silicon display; phase modulation; optical manipulation; calibration; holography; diffractive optics
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Zhang, H.; Lizana, A.; Van Eeckhout, A.; Turpin, A.; Ramirez, C.; Iemmi, C.; Campos, J. Microparticle Manipulation and Imaging through a Self-Calibrated Liquid Crystal on Silicon Display. Appl. Sci. 2018, 8, 2310.

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