Results 111 to 120 of about 68,410 (312)

Adaptive Laguerre-Gaussian variant of the Gaussian beam expansion method

open access: yes, 2009
International audienceA variant of the Gaussian beam expansion method consists in expanding the Bessel function J0 appearing in the Fresnel–Kirchhoff integral into a finite sum of complex Gaussian functions to derive an analytical expression for a ...
Aït Ameur, Kamel   +2 more
core   +1 more source

Analytic expression and propagation properties of hollow Gaussian beams for the off-waist incident case in strongly nonlocal media

open access: yesResults in Physics, 2018
In this paper, the propagation properties of hollow Gaussian beams (HGBs) are discussed in detail when they are off-waist incident in strongly nonlocal media. A set of mathematic expressions are given to describe the evolutions of the beam intensity, the
Zhiping Dai, Xiaohui Ling, Shiqing Tang
doaj   +1 more source

Thermally Pre‐Formed Reconfigurable Resistive Random‐Access Memory Crossbar Arrays: A Dual‐Mode Platform for Robust Physically Unclonable Functions and In‐Memory Computing

open access: yesAdvanced Functional Materials, EarlyView.
A reconfigurable RRAM platform utilizing thermally pre‐formed filaments (TPFs) is developed to realize robust hardware security. By exploiting the thermodynamic stochasticity of TPFs, exceptionally reliable physically unclonable functions (PUFs) are achieved.
Seongbin Kwon   +4 more
wiley   +1 more source

Lateral displacement of a Gaussian beam [PDF]

open access: yes, 2007
7th International Scientific Conference on Modern Management of Mine Producing, Geology and Environmental Protection, SGEM 2007 -- 11 June 2007 through 15 June 2007 -- Albena -- 101475In this paper, we investigate the the lateral displacement of a ...
Yildirim O.
core  

Plasmonic Enhancement of Fluorescence and Protein Dynamics in Living Mammalian Cells

open access: yesAdvanced Materials, EarlyView.
This study demonstrates plasmonic enhancement of the function of fluorescent voltage sensing proteins (genetically encoded voltage indicators, (GEVIs), QuasAr6) in live mammalian cells. Coupling to plasmonic nanoparticles does not just increase fluorescence, but influences the protein photocycle, creating a hybrid sensor with its response speed to ...
Marco Locarno   +16 more
wiley   +1 more source

Beam-Beam Simulations for Double-Gaussian Beams.

open access: yes, 2005
Electron cooling together with intra-beam scattering results in a transverse distribution that can best be described by a sum of two gaussians, one for the high-density core and one for the tails of the distribution.
Montag, C.   +3 more
core  

Off-Axis Gaussian Beams with Random Displacement in Atmospheric Turbulence [PDF]

open access: yesJournal of Systemics, Cybernetics and Informatics, 2006
Our recent work in which we study the propagation of the general Hermite-sinusoidal-Gaussian laser beams in wireless broadband access telecommunication systems is elaborated in this paper to cover the special case of an off-axis Gaussian beam.
Yahya Baykal   +2 more
doaj  

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