Controlling surface effects in extremely high aspect ratio gold plasmonic electrodes

Riccardi, Marco; Santschi, Christian; Martin, Olivier J. F.

doi:10.1016/j.mee.2022.111856

Cited by 1 publication

(2 citation statements)

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“…On the technological side, a full integration of DEP and optical technologies will require the downscaling of DEP devices to match the submicron size of typical photonic components or, alternatively, an upscaling of optical components to sizes comparable with the typical wavelengths of RF fields. To this end, the downscaling of DEP components�to create, for example, plasmonic nanoelectrodes 142 �seems to be in a more mature stage than the upscaling of photonic devices. In this work, we greatly referred to the amazing light-shaping properties of SLMs.…”

Section: Discussionmentioning

confidence: 99%

“…Unfortunately, the use of plasmonic tweezers requires access to cleanroom fabrication techniques that makes their realization very costly and time-consuming. , For this reason, in applications that do not require nanoscale analyte confinement, optical tweezers are usually used. These are optical intensity gradients created at the focal point of an objective lens, as shown in Figure e.…”

Section: Forcesmentioning

confidence: 99%

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Electromagnetic Forces and Torques: From Dielectrophoresis to Optical Tweezers

Riccardi

Martin

2023

Chem. Rev.

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Electromagnetic forces and torques enable many key technologies, including optical tweezers or dielectrophoresis. Interestingly, both techniques rely on the same physical process: the interaction of an oscillating electric field with a particle of matter. This work provides a unified framework to understand this interaction both when considering fields oscillating at low frequencies�dielectrophoresis�and high frequencies�optical tweezers. We draw useful parallels between these two techniques, discuss the different and often unstated assumptions they are based upon, and illustrate key applications in the fields of physical and analytical chemistry, biosensing, and colloidal science.

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Section: Discussionmentioning

confidence: 99%

Section: Forcesmentioning

confidence: 99%