Search Results - "Steeves, Diane M."

Digital polarization holography advancing geometrical phase optics by De Sio, Luciano, Roberts, David E, Liao, Zhi, Nersisyan, Sarik, Uskova, Olena, Wickboldt, Lloyd, Tabiryan, Nelson, Steeves, Diane M, Kimball, Brian R

“…Geometrical phase or the fourth generation (4G) optics enables realization of optical components (lenses, prisms, gratings, spiral phase plates, etc.) by…”
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Thiol Adsorption on and Reduction of Copper Oxide Particles and Surfaces by Wang, Yiwen, Im, Jisun, Soares, Jason W, Steeves, Diane M, Whitten, James E

“…The adsorption of 1-dodecanethiol at room temperature and at 75 °C on submicron cuprous and cupric oxide particles suspended in ethanol has been investigated…”
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Thin waveplate lenses of switchable focal length--new generation in optics by Tabiryan, Nelson V, Serak, Svetlana V, Roberts, David E, Steeves, Diane M, Kimball, Brian R

“…We present new lenses - waveplate lenses created in liquid crystal and liquid crystal polymer materials. Using an electrically-switchable liquid-crystal…”
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Advances in Transparent Planar Optics: Enabling Large Aperture, Ultrathin Lenses by Tabiryan, Nelson V., Roberts, David E., Liao, Zhi, Hwang, Jeoung‐Yeon, Moran, Mark, Ouskova, Olena, Pshenichnyi, Andrii, Sigley, Justin, Tabirian, Anna, Vergara, Rafael, De Sio, Luciano, Kimball, Brian R., Steeves, Diane M., Slagle, Jonathan, McConney, Michael E., Bunning, Timothy J.

“…Unlike electronics, optics do not follow Moore's law. This statement, expressed by Microsoft's Bernard Kress, refers to the hard challenges to solve in…”
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Fabrication of liquid crystal polymer axial waveplates for UV-IR wavelengths by Nersisyan, Sarik, Tabiryan, Nelson, Steeves, Diane M, Kimball, Brian R

“…We show the opportunity of fabricating axially symmetric waveplates fine tuned to a desired wavelength. High quality waveplates are obtained using liquid…”
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Polarization insensitive imaging through polarization gratings by Nersisyan, Sarik R, Tabiryan, Nelson V, Hoke, Landa, Steeves, Diane M, Kimball, Brian R

“…Liquid crystal polarization gratings exhibit high diffraction efficiency (approximately 100%) in thin material layers comparable to the radiation wavelength…”
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Thiol dosing of ZnO single crystals and nanorods: Surface chemistry and photoluminescence by Singh, Jagdeep, Im, Jisun, Watters, Evan J., Whitten, James E., Soares, Jason W., Steeves, Diane M.

“…Adsorption of thiols on ZnO(0001) and ZnO nanorods has been investigated using X-ray and ultraviolet photoelectron spectroscopies (XPS and UPS). Ultrahigh…”
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All-optical diffractive/transmissive switch based on coupled cycloidal diffractive waveplates by Serak, Svetlana V, Hakobyan, Rafael S, Nersisyan, Sarik R, Tabiryan, Nelson V, White, Timothy J, Bunning, Timothy J, Steeves, Diane M, Kimball, Brian R

“…Pairs of cycloidal diffractive waveplates can be used to doubly diffract or collinearly propagate laser radiation of the appropriate wavelength. The use of a…”
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Broadband waveplate lenses by Tabiryan, Nelson V, Serak, Svetlana V, Nersisyan, Sarik R, Roberts, David E, Zeldovich, Boris Ya, Steeves, Diane M, Kimball, Brian R

“…We report on lenses that operate over the visible wavelength band from 450 nm to beyond 700 nm, and other lenses that operate over a wide region in the…”
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Light-Sensitive Gas Sensors Based on Thiol-Functionalized N‑Isopropylacrylamide Polymer–Gold Nanoparticle Composite Films by Cozzens, Yuqing, Steeves, Diane M, Soares, Jason W, Whitten, James E

“…Random and block N-isopropylacrylamide (NIPAM)/cysteamine copolymers and a thiol-terminated NIPAM homopolymer have been synthesized, characterized, and…”
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Photocatalytic Activity and Fluorescence of Gold/Zinc Oxide Nanoparticles Formed by Dithiol Linking by Unlu, Ilyas, Soares, Jason W, Steeves, Diane M, Whitten, James E

“…Monolayer-protected gold nanoparticles (AuNPs) with average diameters of 2–4 nm have been covalently attached to zinc oxide nanorods using dithiol ligands…”
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Synthesis and Optical Properties of Dithiol-Linked ZnO/Gold Nanoparticle Composites by Im, Jisun, Singh, Jagdeep, Soares, Jason W, Steeves, Diane M, Whitten, James E

“…Semiconductor–metal nanocomposites are being pursued for use as a new generation of light emitters and photovoltaic devices. A convenient method for attaching…”
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Multifunctional metal oxide nanoparticle decorated polypropylene knitted swatches by Unlu, Ilyas, Soares, Jason W., Steeves, Diane M., Pang, Richard, Welsh, Elizabeth A.,  Whitten, James E.

“…Two methods of fabricating metal oxide nanoparticle-functionalized knitted “swatches” from melt-extruded bi-component sheath/core polypropylene (PP) fibers are…”
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Azobenzene liquid crystalline materials for efficient optical switching with pulsed and/or continuous wave laser beams by Hrozhyk, Uladzimir A, Serak, Svetlana V, Tabiryan, Nelson V, Hoke, Landa, Steeves, Diane M, Kimball, Brian R

“…This study compares optical switching capabilities of liquid crystal (LC) materials based on different classes of azobenzene dyes. LCs based on molecules…”
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Dual-function reversible/irreversible photoalignment material by Ouskova, Elena, Vergara, Rafael, Hwang, Jeoungyeon, Roberts, David, Steeves, Diane M., Kimball, Brian R., Tabiryan, Nelson

“…We report on new modification of visible sensitive SPAAD series photoalignment materials (BEAM Co) and a method of alignment/treatment to create a…”
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Novel Photoluminescence Properties of Surface-Modified Nanocrystalline Zinc Oxide:  Toward a Reactive Scaffold by Soares, Jason W, Whitten, James E, Oblas, Daniel W, Steeves, Diane M

“…Nanocrystalline zinc oxide has been functionalized with 11-triethoxysilylundecal to introduce chemical reactivity for subsequent molecular attachment while…”
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Encapsulation of Zinc Oxide Nanorods and Nanoparticles by Singh, Jagdeep, Im, Jisun, Whitten, James E, Soares, Jason W, Steeves, Diane M

“…A simple method for encapsulating zinc oxide nanoparticles within an organic matrix is described that consists of dispersing them in an ethanolic solution,…”
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Surface Segregation of Zinc Oxide Nanoparticles in Polymer Films and Fibers: Implications for Functionalized Fabrics by Kim, Sol, Somaratne, R.M. Dulanga S, Grimm, Owen C, Steeves, Diane M, Soares, Jason W, Pang, Richard, Welsh, Elizabeth A, Whitten, James E

“…Fibers and fabrics whose surfaces are decorated with metal oxide particles are finding important applications, including antimicrobial, filtration, and…”
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Transparent thin film polarizing and optical control systems by Tabiryan, Nelson V., Nersisyan, Sarik R., White, Timothy J., Bunning, Timothy J., Steeves, Diane M., Kimball, Brian R.

“…We show that a diffractive waveplate can be combined with a phase retardation film for fully converting light of arbitrary polarization state into a polarized…”
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Substituted Cyclodextrin as a Model for a Squid Enzyme That Hydrolyzes the Nerve Gas Soman by Francis C. G. Hoskin, Steeves, Diane M., Walker, John E.

“…An enzyme that hydrolyzes, and thus detoxifies the nerve gas soman has been purified from squid nerve and immobilized on agarose resin. Cyclodextrins are…”
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