Ahmad A. Darweesh
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PhD
Also affiliated: University Of Fallujah (2022); Nahrain University (2018–2022)
Faculty Researcher
Research Areas
Biomedical Subjects
Links
Biography and Research Information
OverviewAI-generated summary
Ahmad A. Darweesh's research focuses on the development and application of plasmonic nanostructures for light sensing and enhancement. His work investigates how the geometry and arrangement of metallic nanoparticles, such as gold nanorings and nanodisks, can be optimized to tune their optical properties. This optimization aims to enhance light-matter interactions, particularly in the near- and far-field regimes, which is crucial for sensitive detection applications.
Darweesh has published on topics including tunable Surface-Enhanced Raman Spectroscopy (SERS) enhancement via sub-nanometer gap metasurfaces and the plasmonic enhancement provided by asymmetric nanosphere heterodimers. His research also explores the use of optimal ring-disk plasmonic nanostructures for sensing applications. He has collaborated with Stephen J. Bauman and Desalegn T. Debu on shared publications, contributing to a total of 28 publications with an h-index of 7 and over 20 citations.
Metrics
- h-index: 7
- Publications: 28
- Citations: 211
Selected Publications
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Near- and Far-Field Plasmonic Enhancement by Asymmetric Nanosphere Heterodimers (2022)
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Tunable SERS Enhancement via Sub-nanometer Gap Metasurfaces (2022)
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Effect of incidence and sidewall taper angles on plasmonic metal–semiconductor–metal photodetector enhancements (2019)
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The Role of Rayleigh-Wood Anomalies and Surface Plasmons in Optical Enhancement for Nano-Gratings (2018)
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Dataset for SERS Plasmonic Array: Width, Spacing, and Thin Film Oxide Thickness Optimization (2018)
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Plasmonic Au Array SERS Substrate with Optimized Thin Film Oxide Substrate Layer (2018)
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Impact of Tapered Nano-Slits Grating on The Optical Enhancement of Photo-Sensing Devices (2018)
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Current Density Contribution to Plasmonic Enhancement Effects in Metal–Semiconductor–Metal Photodetectors (2018)
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Fabrication and analysis of metallic nanoslit structures: advancements in the nanomasking method (2018)
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Dual-width Plasmonic Nanogap Gratings electrodes for GaAs Metal-Semiconductor-Metal Photodetectors Enhancement (2017)
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Substrate Oxide Layer Thickness Optimization for a Dual-Width Plasmonic Grating for Surface-Enhanced Raman Spectroscopy (SERS) Biosensor Applications (2017)
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Modeling and optimization of Au-GaAs plasmonic nanoslit array structures for enhanced near-infrared photodetector applications (2017)
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Optical Study of Dual-width Plasmonic Nanogap Gratings for Biosensor Applications (2016)
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Improved optical enhancement in binary plasmonic gratings with nanogap spacing (2016)
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Dual-width plasmonic gratings with sub-10 nm gaps for biosensor applications (2016)
Collaboration Network
Top Collaborators
- Tunable SERS Enhancement via Sub-nanometer Gap Metasurfaces
- Near- and Far-Field Plasmonic Enhancement by Asymmetric Nanosphere Heterodimers
- Tunable SERS Enhancement via Sub-nanometer Gap Metasurfaces
- Near- and Far-Field Plasmonic Enhancement by Asymmetric Nanosphere Heterodimers
- Tunable SERS Enhancement via Sub-nanometer Gap Metasurfaces
- Tunable SERS Enhancement via Sub-nanometer Gap Metasurfaces
- Tunable SERS Enhancement via Sub-nanometer Gap Metasurfaces
- Near- and Far-Field Plasmonic Enhancement by Asymmetric Nanosphere Heterodimers
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