Results 31 to 40 of about 128,599 (282)
A Review: Evolution and Diversity of Optical Fibre Plasmonic Sensors
Sensors, 2019 The purpose of this review is to bring to the attention of the wider research community how two quite different optical sensory techniques were integrated resulting in a sensor device of exceptional sensitivity with wide ranging capability.
Thomas Allsop, Ron Neal
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Two-dimensional optical ring resonators based on radial Bragg resonance [PDF]
, 2003 A Bragg-reflection-based ring resonator is proposed and analyzed. Closed-form expressions for the field and dispersion curves for radial Bragg gratings and photonic bandgap crystals are derived.
Scheuer, Jacob, Yariv, Amnon
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Generation of Color Images by Utilizing a Single Composite Diffractive Optical Element
Micromachines, 2018 This paper presents an approach that is capable of producing a color image using a single composite diffractive optical element (CDOE). In this approach, the imaging function of a DOE and the spectral deflection characteristics of a grating were combined
Jiazhou Wang +8 more
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IEEE Access, 2021 Tunable near-infrared sources are highly demanded due to their various applications in biomedicine, printing, barcode technology, and optical storage. In this paper, widely central phase-matching wavelength tunable and high efficiency are demonstrated in
Wen Liu, Shuanggen Zhang, Jinlei Liu
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Curved Gratings as Plasmonic Lenses for Linearly Polarised Light
, 2015 The ability of curved gratings as sectors of concentric circular gratings to couple linearly polarized light into focused surface plasmons is investigated by theory, simulation and experiment.
Coutts, David W. +5 more
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Calculation of optical-waveguide grating characteristics using Green's functions and the Dyson's equation [PDF]
, 2006 We present a method for calculating the transmission spectra, dispersion, and time delay characteristics of optical-waveguide gratings based on Green's functions and Dyson's equation.
Mortensen, Niels Asger, Rindorf, Lars
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Single-Shot Phase-Contrast Imaging with a Single Grating
Photonics, 2023 In the field of X-ray phase-contrast imaging, a time-saving approach and preservation of details are crucial factors for obtaining phase-contrast images.
Xin Liu +4 more
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Applied SciencesThe journal retracts and remove the article “Exploration of a Flexible Metasurface for Strain Sensors: A Perspective from 2D Grating Fabrication to Spectral Characterization” [...]
Hao Hu, Bayanheshig
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A Review: Application and Implementation of Optic Fibre Sensors for Gas Detection
Sensors, 2021 At the present time, there are major concerns regarding global warming and the possible catastrophic influence of greenhouse gases on climate change has spurred the research community to investigate and develop new gas-sensing methods and devices for ...
Thomas Allsop, Ronald Neal
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Development of high-speed directly-modulated DFB and DBR lasers with surface gratings [PDF]
, 2011 The conventional distributed feedback and distributed Bragg reflector edge-emitting lasers employ buried gratings, which require two or more epitaxial growth steps.
Afzal, S. +16 more
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