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A theoretical model based on the transverse resonance method is proposed for the description of cylindrical multilayer dielectric resonator sensors. From this model, the resonant frequency and the sensitivities with respect to geometrical…

Computational Physics · Physics 2007-05-23 R. Barrere , P. Boughedaoui , M. Valentin

Recent advances in optical metasurfaces enable control of the wavefront, polarization and dispersion of optical waves beyond the capabilities of conventional diffractive optics. An optical design space that is poised to highly benefit from…

Micro-Electro-Mechanical-Systems are complex structures, often involving nonlinearites of geometric and multiphysics nature, that are used as sensors and actuators in countless applications. Starting from full-order representations, we…

Dynamical Systems · Mathematics 2023-04-04 Giorgio Gobat , Stefania Fresca , Andrea Manzoni , Attilio Frangi

We introduce MulensModel, a software package for gravitational microlensing modeling. The package provides a framework for calculating microlensing model magnification curves and goodness-of-fit statistics for microlensing events with…

Instrumentation and Methods for Astrophysics · Physics 2019-01-08 Radoslaw Poleski , Jennifer Yee

EBSD has evolved into an effective tool for microstructure investigations in the scanning electron microscope. The purpose of this contribution is to give an overview of various simulation approaches for EBSD Kikuchi patterns and to discuss…

Materials Science · Physics 2016-03-23 Aimo Winkelmann , Gert Nolze , Maarten Vos , Francesc Salvat-Pujol , Wolfgang Werner

There is an important difference between piezoelectric polymer films and solid crystals for the application to piezoelectric generators. In the case of polymers, the optimal piezoelectric response imposes {\it a large bending regime}.…

Soft Condensed Matter · Physics 2024-11-08 E. Sarrey , M. Sigallon , M. -C. Clochard , A-L Hamon , J. -E. Wegrowe

Deformable Mirrors (DMs) have wide applications ranging from astronomical imaging to laser communications and vision science. However, they often require bulky multi-channel cables for delivering high power to their drive actuators. A low…

Instrumentation and Methods for Astrophysics · Physics 2021-12-28 Amit Kumar Jha , Ewan S. Douglas , Meng Li , Corey Fucetola , Fiorenzo G. Omenetto

A hybrid scheme between large-scale electronic structure calculations is developed and applied to nanocrystalline silicon with more than 10$^5$ atoms. Dynamical fracture processes are simulated under external loads in the [001] direction.…

Materials Science · Physics 2007-05-23 Takeo Hoshi , Takeo Fujiwara

Optical resonators are increasingly important tools in science and technology. Their applications range from laser physics, atomic clocks, molecular spectroscopy, and single-photon generation to the detection, trapping and cooling of atoms…

By integrating a phase-only Spatial Light Modulator (SLM) into the illumination arm of a cylindrical-lens-based Selective Plane Illumination Microscope (SPIM), we have created a versatile system able to deliver high quality images by…

Biological Physics · Physics 2018-08-10 Chiara Garbellotto , Jonathan M. Taylor

Metasurfaces are two-dimensional optical structures enabling complete control of the amplitude, phase, and polarization of light. Unlike plasmonic metasurfaces, planar silicon structures facilitate high transmission, low losses and…

Flexible and fast control of the phase and amplitude of coherent light, enabled by digital micromirror devices (DMDs) and spatial light modulators (SLMs), has been a driving force for recent advances in optical tweezers, nonlinear…

Optics · Physics 2021-07-07 Ruslan Röhrich , Femius Koenderink , Stefan Witte , Lars Loetgering

Metasurfaces are paving the way to improve traditional optical components by integrating multiple functionalities into one optically flat metasurface design. We demonstrate the implementation of a multifunctional gap surface plasmon-based…

Mesoscale and Nanoscale Physics · Physics 2024-12-11 Sergejs Boroviks , Rucha A. Deshpande , N. Asger Mortensen , Sergey I. Bozhevolnyi

Prototype optical microscopes, built to pursue developments in advanced imaging techniques, need specific optomechanical constructions: preferably with high flexibility in the elements arrangement, easy access to the optical paths,…

Instrumentation and Detectors · Physics 2023-05-30 Łukasz Zinkiewicz , Milena Królikowska , Alexander Krupiński-Ptaszek , Piotr Wasylczyk

This chapter describes the basic design, simulation, and fabrication for fully Si integrated, waveguide coupled, optomechanical force and displacement sensors. The approach of full Si integration of all stationary nanophotonic components…

Mesoscale and Nanoscale Physics · Physics 2014-05-15 Jie Zou , Marcelo Davanco , Yuxiang Liu , Thomas Michels , Kartik Srinivasan , Vladimir Aksyuk

A conventional refractive lens surface can act as a positive (converging) or negative (diverging) lens, but the same surface cannot act as both. We show that a geometric phase metasurface lens can have the unique property of acting both as…

This study proposes a new way to manufacture large lightweight aspherics for space telescopes using Stress Mirror Polishing (SMP). This technique is well known to allow reaching high quality optical surfaces in a minimum time period, thanks…

Instrumentation and Methods for Astrophysics · Physics 2020-04-21 Sabri Lemared , Marc Ferrari , Christian Du Jeu , Thibault Dufour , Nathalie Soulier , Emmanuel Hugot

We present a method to produce in-plane polarized piezo films with a freely adjustable ratio of the strains in orthogonal in-plane directions. They can be used in piezo bending actuators with a tunable curvature profile. The strains are…

Materials Science · Physics 2014-03-20 Matthias C Wapler , Moritz Stürmer , Jens Brunne , Ulrike Wallrabe

We describe and demonstrate a method by which the nonlinear piezoelectric properties of a piezoelectric material may be measured by detecting the force that it applies on a suspended micromechanical resonator at one of its mechanical…

Applied Physics · Physics 2018-05-25 Joseph A. Boales , Shyamsunder Erramilli , Pritiraj Mohanty

The Dynamic Hubbard Model represents the physics of a multi-band Hubbard model by using a pseudo-spin degree of freedom to dynamically modify the on-site Coulomb interaction. Here we use a dimer system to obtain analytical results for this…

Strongly Correlated Electrons · Physics 2012-11-21 G. H. Bach , F. Marsiglio