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In this study, we introduce a new approach to fabricating fiber optic microlenses using a three-electrode arc fusion splicer. Through beam propagation method-based simulations, we verified the performance of our lenses, achieving highly…

Optics · Physics 2024-12-02 Szymon Matczak , Dorota Stachowiak , Grzegorz Soboń

In this survey, we remind some fibrations structure theorems (also called Milnor's fibrations) recently proved in the real and complex case, in the local and global settings. We give several Poincar\'e-Hopf type formulae which relates the…

Algebraic Geometry · Mathematics 2014-09-18 Nicolas Dutertre , Raimundo N. Araújo Dos Santos , Ying Chen , Antonio Andrade

The trajectories of colloidal particles driven through a periodic potential energy landscape can become kinetically locked in to directions dictated by the landscape's symmetries. When the landscape is realized with forces exerted by a…

Soft Condensed Matter · Physics 2015-05-14 Ke Xiao , David G. Grier

We study mathematical and computational models for computing the deformation of fiber-reinforced cross-plied laminates due to external forces. This requires an understanding of both micro-structural effects and different sources of…

Numerical Analysis · Mathematics 2016-04-20 Ivo Babuska , Mohammad Motamed

The mechanical properties of single fibres are highly important in the paper production process to produce and adjust properties for the favoured fields of application. The description of mechanical properties is usually characterised via…

We demonstrate an optical conveyor belt for levitated nano-particles over several centimeters inside both air-filled and evacuated hollow-core photonic crystal fibers (HCPCF). Detection of the transmitted light field allows…

Let $X$ be an analytic subset of an open neighbourhood $U$ of the origin $\underline{0}$ in $\mathbb{C}^n$. Let $f\colon (X,\underline{0}) \to (\mathbb{C},0)$ be holomorphic and set $V =f^{-1}(0)$. Let $\B_\epsilon$ be a ball in $U$ of…

Algebraic Geometry · Mathematics 2009-05-21 José-Luis Cisneros-Molina , Jose Seade , Jawad Snoussi

Revealing the structure of complex biological macromolecules, such as proteins, is an essential step for understanding the chemical mechanisms that determine the diversity of their functions. Synchrotron based x-ray crystallography and…

The present work introduces a novel numerical approach for the process modeling of fiber-reinforced thermoset polymers at the micro-scale level, that can be used to predict curing-induced residual stresses. The cure kinetics is described…

Applied Physics · Physics 2022-12-14 Manish H. Nagaraj , Marianna Maiaru

We present BIFROST, a first-principles model of polarization mode dispersion (PMD) in optical fibers. Unlike conventional models, BIFROST employs physically motivated representations of the PMD properties of fibers, allowing users to…

Optics · Physics 2026-03-24 Patrick R. Banner , Steven L. Rolston , Joseph W. Britton

Highly crystallized undoped hydrogenated microcrystalline silicon films prepared using SiF4-H2 mixture plasma were investigated at various stages of growth employing different microstructural probes. Our self-consistent results elucidate…

Materials Science · Physics 2007-07-03 Sanjay K. Ram , MD. N. Islam , P. Roca I Cabarrocas , Satyendra Kumar

Membrane ultrafiltration (UF) is a pressure driven process allowing for the separation and enrichment of protein solutions and dispersions of nanosized microgel particles. The permeate flux and the near-membrane concentration-polarization…

Soft Condensed Matter · Physics 2015-05-19 Rafael Roa , Emiliy K. Zholkovskiy , Gerhard Nägele

Fiber-reinforced ceramic-matrix composites are advanced materials resistant to high temperatures, with application to aerospace engineering. Their analysis depends on the detection of embedded fibers, with semi-supervised techniques usually…

Image and Video Processing · Electrical Eng. & Systems 2021-01-18 Alexandre Fioravante de Siqueira , Daniela Mayumi Ushizima , Stéfan van der Walt

Let $X$ be a rational elliptic surface with elliptic fibration $\pi:X\to\Bbb{P}^1$ over an algebraically closed field $k$ of any characteristic. Given a conic bundle $\varphi:X\to\Bbb{P}^1$ we use numerical arguments to classify all…

Algebraic Geometry · Mathematics 2022-06-09 Renato Dias Costa

We show how to apply tiling and pattern theory in the design of hollow-core photonic crystal fibers and guide light in multiple bandgaps. By combining two different glass apexes in a single [$3^6$;$3^2$.$4.3.4$] 2-uniform tiling,…

Optics · Physics 2019-10-24 Z. Montz , A. A. Ishaaya

Interfaces such as grain boundaries in polycrystalline as well as heterointerfaces in multiphase solids are ubiquitous in materials science and engineering. Far from being featureless dividing surfaces between neighboring crystals,…

Materials Science · Physics 2024-01-23 Aurélien Vattré

We investigate the performance of a class of particle filters (PFs) that can automatically tune their computational complexity by evaluating online certain predictive statistics which are invariant for a broad class of state-space models.…

Computation · Statistics 2021-04-26 Víctor Elvira , Joaquín Míguez , Petar M. Djurić

Integrated optics are used to achieve astronomical interferometry inside robust and compact materials, improving the instruments stability and sensitivity. In order to perform differential phase measurements at the H$\alpha$ line (656.3 nm)…

A numerical technique is described that can efficiently compute solutions in interface problems. These are problems with data, such as the coefficients of differential equations, discontinuous or even singular across one or more interfaces.…

Computational Physics · Physics 2015-05-27 Theodoros P. Horikis

Mycelium is a promising biomaterial based on fungal mycelium, a highly porous, nanofibrous structure. Scanning electron micrographs are used to characterize its network, but the currently available tools for nanofibrous microstructures do…

Image and Video Processing · Electrical Eng. & Systems 2021-03-16 Thaicia Stona de Almeida