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Updated Results of Singlet Oxygen Modeling Incorporating Local Vascular Diffusion for PDT - new

R. Penjweini[1], M. M. Kim[1], T. C. Zhu[1]
[1]Department of Radiation Oncology, University of Pennsylvania, Philadelphia, PA, USA

Introduction: Singlet oxygen (¹O₂) has a critical role in the cell-killing mechanism of photodynamic therapy (PDT). Therefore, in this study, the ...

Simulation, Fabrication and Observation of Plasmonic Halos

F. Ye[1], M. Burns[1], J. Merlo[1], M. Naughton[1]
[1]Department of Physics, Boston College, Chestnut Hill, MA, USA

We present the simulation, observation and systematic study of a novel optical phenomenon, a “plasmonic halo”, wherein optically pumped surface ...

3D Modeling of Plasmon Excitation by Grating

G.G. Gentili[1], S. Pietralunga[2], M. Bolzoni[1]
[1]Politecnico di Milano, Dipartimento di Elettronica e Informazione, Milano, Italy
[2]INFN-CNR, Istituto di Fotonica e Nanotecnologie, Milano, Italy

Grating-assisted optical coupling into long-range modes of strip plasmonic waveguides is analyzed by a 3D numerical simulation with COMSOL ...

AlGaInAs/InP Hexagonal Resonator Microlasers with a Center Hole

H. Weng [1], Y. Yang [1], B. Liu [1], X. Ma [1]
[1] Institute of Semiconductors, Chinese Academy of Science, Beijing, China

In the past decades, equilateral polygonal microcavity lasers with whispering-gallery modes (WGMs) have attracted great attentions due to their ...

Fruit Optical Properties Assessment by Means of Spatially Resolved Spectroscopy

E. Madieta[1], V. Piron[2], A. Flament[1], J.P. L’Huillier[2], and E. Mehinagic[1]
[1]PRES L’UNAM, ESA, Grappe, Angers, France
[2]ENSAM Paristech, Angers, France

Since the invention of laser sources, understanding the interaction between the laser and biological tissues is a subject of great importance because ...

FEM Simulations of Rod-Type Photonic Crystal Slabs as Resonant Microsystems for Optical Gas Sensors

C. Kraeh, and H. Hedler
Siemens AG, Munich
Munich, Germany

We are developing a solid state gas sensor that combines a small form factor with the high sensitivity of optical gas detection. The gas sensor is ...

Design of Tunable Metamaterial Operating Near 90 GHz

K. Tarnowski[1], W. Salejda[1]
[1]Institute of Physics, Wroclaw University of Technology, Wroclaw, Poland

Currently there is much interest in electromagnetic metamaterials [1-9]. In our work we have focused on design of tunable metamaterial which can be ...

Simulating the Response of Planar Photonic Structures Under the Strain of Surface Acoustic Waves

O. D. D. Couto Jr. [1], A. C. T. Covacevice [1],
[1] Instituto de Física Gleb Wataghin, Universidade Estadual de Campinas, Campinas, SP, Brazil

In this contribution, we simulate the optical response of piezoelectric planar optical microcavities (POMCs) under the modulation introduced by a ...

Super-resolving Properties of Metallodielectric Stacks

N. Katte[1], J. Haus[1], J.B. Serushema[1], and M. Scalora[2]
[1]University of Dayton, Dayton, OH, USA
[2]Charles M. Bowden Research Center, Redstone Arsenal, AL, USA

We show that diffraction can be suppressed in a one-dimensional metallodielectric stack (MDS) at visible wavelengths to achieve super-resolution ...

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 ...