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Design of a Nucleic Acid Biosensor Using COMSOL Multiphysics®

L. Velmanickam [1], D. Nawarathna [1], V. Jayasooriya [1],
[1] Department of Electrical and Computer Engineering, North Dakota State University, Fargo, ND, USA

Cancer is one of the leading causes of deaths worldwide. According to the American Cancer Society, there will be about 700,000 cancer related deaths ...

Thermal-Optical Modeling of a Signal Enhancement Approach for Paper-Based Diagnostics

D. Gasperino [1]
[1] Intellectual Ventures Laboratory, Bellevue, WA, USA

INTRODUCTION: Point of care diagnostics aimed at low-resource settings need to be relatively simple, robust and low-cost. The most commonly-used ...

Tunable Resonance of Star Shaped Nanostructures

R. Díaz de León-Zapata [1,2], B. Mora [2], M. Jose-Yacaman [3], F. J. Gonzalez [2]
[1] Instituto Tecnológico de San Luis Potosí, Av. Tecnológico s/n, San Luis Potosí, S.L.P., Mexico
[2] Universidad Autónoma de San Luis Potosí, CIACyT, San Luis Potosí, S.L.P., Mexico
[3] University of Texas at San Antonio, San Antonio, TX, USA

Auto assembled Ag-ZnO [1] star shaped nanostructures depicted in figure 1, presents their natural electromagnetic resonance at 60 THz. In this work we present that is possible to change this value by covering it with a variable in thickness layer of gold. The analysis is performed by numerical simulations using COMSOL Multiphysics® software.

Towards Easily Tunable Mid-infrared Surface Plasmon Resonance With Gold Nano-crescent Structures

F. Liu [1],
[1] St. Mary's Ryken High School, Leonardtown, MD, USA

Mid-infrared, which interacts with most of the chemicals and creates spectra with functional group and fingerprint information, is widely used as a ...

Modelling Ultra-short Pulse Laser Ablation of Dielectric Materials Using multiple Rate Equations - new

P. Boerner[1], K. Wegener[1]
[1]Institute of Machine Tools and Manufacturing, ETH Zurich, Zurich, Switzerland

Ultrafast lasers are widely applied in micromachining, material science and physics. In industry, picosecond lasers are becoming more and more ...

Investigation of Ablation of a Copper Surface Caused by 220 Nanosecond Laser Pulse

M. Dillmann [1], B. Braun [1], M. Kottcke [1],
[1] Technische Hochschule Georg-Simon-Ohm, Nuernberg, Germany

This work investigates the ablation of a copper surface caused by the irradiation of a 220 ns laser pulse. Our focus is on the heat transport within ...

Determination of the Optical Properties of Individual Gold Nanorods through Numerical Modeling and Experiment

Y. Davletshin[1], J.C. Kumaradas[1]
[1]Ryerson University, Toronto, ON, Canada

The optical scattering and absorption of gold nanorods (GNRs) depends on its size, shape, and surroundings. This dependence is due to both intrinsic ...

Product Design of Macro Optical Clocking by Ray Optics

V. Vinothkumar[1], R. C. Thiagarajan [1],
[1] ATOA Scientific Technologies Pvt Ltd, Bangalore, India.

Optical cloaking was considered as fictional. Recent developments shows that macro scale optical cloaking is practical and functional. Brief review of ...

Demonstration of a Novel Surface Plasmon Based Interferometer with COMSOL

D. Carrier, and J.J. Dubowski
Université de Sherbrooke, Sherbrooke, QC, Canada

In order to provide swift and precise diagnostics, physicians and medical doctors require an adequate amount of information about the patient\'s ...

Modal Characterization of the Plasmonic Slot Waveguide Using COMSOL Multiphysics

F. Frezza[1], P. Nocito[2], and E. Stoja[1]
[1]Department of Information Engineering, Electronics and Telecommunications, Sapienza University of Rome, Rome, Italy
[2]MISE, Communication Department, ISCOM, Rome, Italy

We investigate and compare the characteristics of the fundamental guided mode sustained by a subwavelength plasmonic slot waveguide for three types of ...