Ultrasensitive Molecular Detection at Subpicomolar Concentrations by the Diffraction Pattern Imaging with Plasmonic Metasurfaces and Convex Holographic Gratings
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Science"
DOI: 10.1002/advs.202201682
Abstract: Compact and cost‐effective optical devices for highly sensitive detection of trace molecules are significant in many applications, including healthcare, pollutant monitoring and explosive detection. Nanophotonic metasurface‐based sensors have been intensively attracting attentions for molecular detection.… read more here.
Keywords: diffraction pattern; detection; molecular detection; sensor ... See more keywords
The Tricks of the Chameleon. Unexpected Symmetry of the Diffraction Pattern
Sign Up to like & getrecommendations! Published in 2019 at "Crystal Research and Technology"
DOI: 10.1002/crat.201900063
Abstract: The first step in the structure solution process is the determination of candidate space groups on the basis of the symmetry of the diffraction pattern, in particular through the analysis of the reflection conditions. Sometimes… read more here.
Keywords: diffraction pattern; symmetry diffraction; reflection conditions; space ... See more keywords
Controllable diffraction pattern in semiconductor quantum well based on quantum coherence
Sign Up to like & getrecommendations! Published in 2018 at "Annals of Physics"
DOI: 10.1016/j.aop.2018.07.028
Abstract: Abstract In this paper, we study properties of diffraction of a weak probe field interacting with a symmetric semiconductor quantum well that is coherently manipulated by a standing wave. Based on the theory of quantum… read more here.
Keywords: diffraction pattern; quantum; diffraction; semiconductor quantum ... See more keywords
Far-field diffraction pattern of an optical light beam with orbital angular momentum through of a rectangular and pentagonal aperture
Sign Up to like & getrecommendations! Published in 2018 at "Optik"
DOI: 10.1016/j.ijleo.2018.02.064
Abstract: Abstract We report some experimental results and numerical simulations of the Fraunhofer diffraction of light fields with integer topological charge (TC) by rectangular and pentagonal apertures. We show that Fraunhofer diffraction by a rectangular aperture… read more here.
Keywords: diffraction pattern; aperture; pentagonal aperture; diffraction ... See more keywords
Band point algorithms for measuring diffraction pattern parameters in laser ektacytometry of red blood cells
Sign Up to like & getrecommendations! Published in 2021 at "Quantum Electronics"
DOI: 10.1070/qel17357
Abstract: We consider the issues of measuring the deformability of red blood cells by the method of laser diffractometry in shear flow (ektacytometry). The measurement procedure is optimised taking into account the finite resolution of the… read more here.
Keywords: pattern parameters; diffraction pattern; blood cells; red blood ... See more keywords
Electromagnetically induced grating in azimuthal dependent three-level quantum dot system
Sign Up to like & getrecommendations! Published in 2023 at "Laser Physics"
DOI: 10.1088/1555-6611/acd373
Abstract: The Fraunhofer diffraction pattern in a three-level quantum dot nanostructure is examined. A probe light, a two-dimensional standing wave field, and a weak signal light are the three optical laser fields that the graphene quantum… read more here.
Keywords: three level; level quantum; diffraction pattern; quantum dot ... See more keywords
Direct derivation (DD) of weight fractions of individual crystalline phases from observed intensities and chemical composition data: incorporation of the DD method into the whole-powder-pattern fitting procedure
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Applied Crystallography"
DOI: 10.1107/s1600576718001474
Abstract: A formula for quantitative phase analysis (QPA), called the intensity–composition (IC) formula, can be used for deriving weight fractions of individual crystalline phases in a mixture from sets of observed integrated intensities, measured in a… read more here.
Keywords: diffraction pattern; powder pattern; pattern; whole powder ... See more keywords