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Beam steering accuracy in holographic optical tweezers

Precisión del direccionamiento de haces en pinzas òpticas holográficas
Authors: Català i Castro, Frederic;

Beam steering accuracy in holographic optical tweezers

Abstract

[CASTELLÀ] El uso de moduladores espaciales de luz con tal de llevar a cabo el control de pinzas ópticas proporciona precisión subnanométrica en el posicionamiento de trampas individuales. No obstante, ciertos aspectos relacionados con la estructura digital de estos dispositivos son la causa de una disminución de la precisión en algunas situaciones experimentales. En este trabajo estudiaremos en profundidad el posicionamiento de pinzas ópticas holográficas i propondremos una metodología para la mejora de su precisión.

[CATALÀ] L'ús de moduladors espacials de llum per tal de dur a terme el control de pinces òptiques ens proporciona precisió subnanomètrica en el posicionament de trampes individuals. Tanmateix, certs aspectes relacionats amb l'estructura digital d'aquests dispositius són la causa d'una disminució de la precisió en algunes situacions experimentals. En aquest treball estudiarem en profunditat el posicionament de pinces òptiques hologràfiques i proposarem una metodologia per a la millora de la seva precisió.

[ANGLÈS] The use of spatial light modulators (SLMs) to achieve dynamic control of optical tweezers is observed to provide subnanometer precision in single trap positioning. However, some features concerning the digitalized structure of SLMs cause a loss of precision in certain kinds of experiments. In this work, positioning accuracy of holographic optical tweezers (HOTs) is profoundly analysed in these cases, and a correction methodology is proposed in order to improve trap positioning.

Country
Spain
Keywords

seguimiento de micropartículas, Holografia, wavefront modulation, bead tracking, modulación de frente de onda, Holography, optical trapping, trampas ópticas, Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Telecomunicació òptica::Fotònica, :Enginyeria de la telecomunicació::Telecomunicació òptica::Fotònica [Àrees temàtiques de la UPC], digital holography

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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