Consultez les proceedings de la Conference COMSOL 2020
A new filter-less method of detecting the spectrum based on wavelength absorption in silicon is proposed. Wavelength dependent absorption coefficient produces a unique excess carrier distribution. Thus the wavelength spectral information can be obtained by measuring the photon generated ... En savoir plus
The interest to study the nanoparticles absorbed on the substrate is caused by the multiple practical applications of such systems [1, 2]. The author suggests a method of examining their properties by calculating the absorption and scattering of the electromagnetic field by such system ... En savoir plus
This poster describes a simulation of reverse saturable absorption in a solution C60 molecules using the COMSOL Multiphysics® software. The optical processes in C60 can be modeled through a five-level system. The energy states include three levels of the singlet state, coupled to two ... En savoir plus
An organic-inorganic dual-channel sensor makes a strong chemical gas sensor because this device design combines the high chemical sensitivities and selectivity of organic semiconductors [1-4] with the superior electrical performance and convenient integration of silicon semiconductors. ... En savoir plus
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 ... En savoir plus
Phonons underlie the propagation of sound and the transport of heat in materials. With outstanding progress in the design of phononic crystals, it is now feasible to control the acoustic properties of these materials and to endow them with unique acoustic properties. For instance, it ... En savoir plus
The advanced gravitational wave detectors require injecting a high continuous power laser into the optical cavities of the interferometers to reach their design sensitivity. To mitigate the thermal aberrations created by absorption of this high power load into the various optical ... En savoir plus
While low frequency light is poorly transmitted through an aperture in a conductive thin film, in the phenomenon known as extraordinary optical transmission (EOT), a narrow band of selected frequencies are transmitted when incident on an array of subwavelength periodic apertures where ... En savoir plus
INTRODUCTION Enhancement of a single-photon emission is a great demand in recent science and applications, including development novel class of light sources, encoded information transfer and biological imaging [1, 2, 3]. Fluorescence can be improved through excitation and emission ... En savoir plus
Optical fibers that can deliver mid-infrared light in a wide wavelength range are in high demand due to their significant potentials in sensors, chemical imaging, optoelectronics and nonlinear optics applications. Semiconductors such as Ge, ZnSe and Si are good infrared-transparent ... En savoir plus