Dr. Donald K. Roper Profile

Dr. Donald K. Roper

at Univ of Arkansas

SPIE Involvement:

Author

Publications (14)

Proceedings Article | 7 September 2018 Presentation + Paper

Integrating plasmonic metals and 2D transition metal dichalcogenides for enhanced nonlinear frequency conversion

Gregory Forcherio, Luigi Bonacina, Jérémy Riporto, Yannick Mugnier, R. Le Dantec, Jeremy Dunklin, Mourad Benamara, D. Keith Roper

Proceedings Volume 10724, 1072413 (2018) https://doi.org/10.1117/12.2321047

KEYWORDS: Gold, Molybdenum, Second-harmonic generation, Plasmonics, Heterojunctions, Nanoantennas, Microscopy, Metals, Transition metals, Multiphoton microscopy

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SPIE Journal Paper | 24 January 2017

Plasmonic extinction in gold nanoparticle-polymer films as film thickness and nanoparticle separation decrease below resonant wavelength

Jeremy Dunklin, Carter Bodinger, Gregory Forcherio, D. Keith Roper

JNP, Vol. 11, Issue 01, 016002, (January 2017) https://doi.org/10.1117/12.10.1117/1.JNP.11.016002

KEYWORDS: Particles, Mie scattering, Nanoparticles, Scattering, Plasmonics, Gold, Refractive index, Geometrical optics, Dielectrics, Polymers

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Proceedings Article | 26 September 2016 Presentation + Paper

Compact simulation guides subnanometer, femtosecond measures of energy transfer between quasiparticles and hot carriers at interfaces between metals and two-dimensional materials

D. Keith Roper, Gregory Forcherio, Drew DeJarnette

Proceedings Volume 9923, 992312 (2016) https://doi.org/10.1117/12.2238102

KEYWORDS: Interfaces, Quasiparticles, Energy transfer, Graphene, Femtosecond phenomena, Metals, Spectroscopy, Scanning transmission electron microscopy, Gold, Plasmons

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Proceedings Article | 16 September 2016 Presentation + Paper

Interactions between confined fields and carriers at interfaces between two-dimensional materials and nanoscale metal architectures

D. Keith Roper, Gregory Forcherio, Drew DeJarnette

Proceedings Volume 9924, 992408 (2016) https://doi.org/10.1117/12.2238129

KEYWORDS: Scanning transmission electron microscopy, Computer architecture, Femtosecond phenomena, Metals, Interfaces, Spectroscopy, Plasmons, Nanostructures, Gold, Silica

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Proceedings Article | 16 September 2016 Presentation + Paper

Interfacial reflection enhanced optical extinction and thermal dynamics in polymer nanocomposite films

Jeremy Dunklin, Gregory Forcherio, Keith Berry, D. Keith Roper

Proceedings Volume 9919, 99190X (2016) https://doi.org/10.1117/12.2238040

KEYWORDS: Thermography, Polymer thin films, Polymers, Mie scattering, Plasmonics, Scattering, Diffraction, Refractive index, Nanocomposites, Statistical analysis

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Proceedings Article | 16 September 2016 Presentation + Paper

Plasmon excitation and damping in noble metal nanoparticle-MoS2 nanocomposites

Gregory Forcherio, Mourad Benamara, D. Keith Roper

Proceedings Volume 9919, 991911 (2016) https://doi.org/10.1117/12.2237831

KEYWORDS: Plasmons, Metals, Nanoparticles, Nanocomposites, Molybdenum, Gold, Surface plasmons, Silver, Excitons, Quantum efficiency

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Proceedings Article | 14 March 2016 Paper

Complex dielectric and geometry influences on plasmon excitation and energy transfer in nanocomposite systems

Gregory Forcherio, Phillip Blake, Manjo Seeram, Drew DeJarnette, D. Roper

Proceedings Volume 9756, 975615 (2016) https://doi.org/10.1117/12.2211144

KEYWORDS: Dielectrics, Plasmons, Plasmonics, Nanocomposites, Gold, Energy transfer, Metamaterials, Nanoparticles, Optoelectronics, Visible radiation, Nanoantennas, Glasses, Polarizability, Indium

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Proceedings Article | 10 September 2014 Paper

Polarizability extraction for rapid computation of Fano resonance in nanoring lattices

Gregory Forcherio, Drew DeJarnette, Phillip Blake, D. Keith Roper

Proceedings Volume 9163, 91633O (2014) https://doi.org/10.1117/12.2061227

KEYWORDS: Polarizability, Nanostructures, Particles, Plasmons, Metamaterials, Chemical elements, Biological research, Resonance enhancement, Dielectrics, Finite-difference time-domain method

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Proceedings Article | 10 September 2014 Paper

Optical attenuation of plasmonic Au-PDMS nanocomposite thin-film devices

Gregory Forcherio, D. Keith Roper

Proceedings Volume 9161, 916115 (2014) https://doi.org/10.1117/12.2062252

KEYWORDS: Nanocomposites, Signal attenuation, Plasmonics, Instrument modeling, 3D modeling, Absorption, Nanoparticles, Photonic devices, Photons, Optical testing

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Proceedings Article | 10 September 2014 Paper

Geometric optics of gold nanoparticle-polydimethylsiloxane thin films

Jeremy Dunklin, Gregory Forcherio, D. Keith Roper

Proceedings Volume 9163, 916332 (2014) https://doi.org/10.1117/12.2061915

KEYWORDS: Signal attenuation, Reflection, Gold, Geometrical optics, Thin films, Reflectors, Optical components, Plasmonics, Optical properties, Nanoparticles

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Proceedings Article | 10 September 2014 Paper

Asymmetric gold nanoparticle reduction into polydimethylsiloxane thin films

Jeremy Dunklin, Gregory Forcherio, Keith Berry, D. Keith Roper

Proceedings Volume 9163, 916330 (2014) https://doi.org/10.1117/12.2061908

KEYWORDS: Gold, Signal attenuation, Thin films, Nanoparticles, Reflectors, Polymers, Thermography, Plasmonics, Polymer thin films, Interfaces

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Proceedings Article | 27 August 2014 Paper

Diatom frustule photonic crystal geometric and optical characterization

Jonathan Mishler, Phillip Blake, Andrew Alverson, D. Roper, Joseph Herzog

Proceedings Volume 9171, 91710P (2014) https://doi.org/10.1117/12.2062287

KEYWORDS: Photonic crystals, MATLAB, Optical properties, Ocean optics, Crystal optics, Biomimetics, Geometrical optics, Scanning electron microscopy, Image analysis, Silica

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Proceedings Article | 27 August 2014 Paper

Electron optics of nanoplasmonic metamaterials in bio/opto theranostics

D. Keith Roper, Drew DeJarnette, Gregory Forcherio, Jeremy Dunklin, Keith Berry, Gyoung Jang, Milana Lisunova, Phillip Blake, Wonmi Ahn

Proceedings Volume 9166, 91660L (2014) https://doi.org/10.1117/12.2061084

KEYWORDS: Metamaterials, Polarizability, Gold, Lawrencium, Plasmonics, Nanoplasmonics, Metals, Refractive index, Scattering, Near infrared

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SPIE Journal Paper | 16 June 2014

Diffraction in nanoparticle lattices increases sensitivity of localized surface plasmon resonance to refractive index changes

Phillip Blake, Sophie Kühne, Gregory Forcherio, Donald Roper

JNP, Vol. 8, Issue 01, 083084, (June 2014) https://doi.org/10.1117/12.10.1117/1.JNP.8.083084

KEYWORDS: Particles, Diffraction, Electroluminescence, Refractive index, Nanoparticles, Mie scattering, Gold, Surface plasmons, Plasmons, Sensors

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Showing 5 of 14 publications

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