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"Thermal Effect during Laser-Induced Plasmonic Heating of Polyelectroly" by Sujin Jiracheewanun, Michael B. Cortie et al. - Vimarsana News

"Thermal Effect during Laser-Induced Plasmonic Heating of Polyelectroly" by Sujin Jiracheewanun, Michael B. Cortie et al.

We examined the generation and transfer of heat when laser irradiation is applied to water containing a suspension of gold nanorods coated with different polyelectrolytes. The ubiquitous well plate was used as the geometry for these studies. The predictions of a finite element model were compared to experimental measurements. It is found that relatively high fluences must be applied in order to generate biologically relevant changes in temperature. This is due to the significant lateral heat transfer from the sides of the well, which strongly limits the temperature that can be achieved. A 650 ...

Source: uow.edu.au
Researchers Shrink Dimensions in Which Light Can Be Manipulated | Research & Technology | Mar 2023 - Vimarsana News

Researchers Shrink Dimensions in Which Light Can Be Manipulated | Research & Technology | Mar 2023

The degree to which light can be confined determines the intensity and precision of light-based devices. It also sets the limits within which nanopart

Using Cathodoluminescence to Investigate Nanophotonic Material - Vimarsana News

Using Cathodoluminescence to Investigate Nanophotonic Material

Cathodoluminescence in an SEM was used to reveal the optical properties of nanophotonic materials far below the diffraction limit.

Source: azom.com
Undergrads Present Posters at Research Festival - Vimarsana News

Undergrads Present Posters at Research Festival

Physics and Astronomy students presented 11 posters at the Fall Undergraduate Research Festival (FURF) Nov. 2 at the University Capitol Centre. The Iowa Center for Research by Undergraduates hosts FURF, held in celebration and recognition of undergraduate researchers' contributions to research, scholarly, and creative work at the University of Iowa.

Source: uiowa.edu
Elliptical Nanohole Arrays Improve Beaming Effect of Plasmonic Metalenses - Vimarsana News

Elliptical Nanohole Arrays Improve Beaming Effect of Plasmonic Metalenses

A recent study in Optical Materials investigates the beaming effect of a plasmonic metalens with elliptical nanohole arrays in a metal film using experimental techniques and geometric simulations.