Browsing Center for Organic Photonics and Electronics (COPE) by Title
Now showing items 37-56 of 397
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Cancellation of environmental effects in resonant mass sensors based on resonance mode and effective mass
(Georgia Institute of TechnologyAmerican Institute of Physics, 2009-06)novel technique is developed to cancel the effect of environmental parameters, e.g., temperature and humidity, in resonant mass sensing. Utilizing a single resonator, the environmental cancellation is achieved by monitoring ... -
Challenges of laser-cooling molecular ions
(Georgia Institute of TechnologyInstitute of Physics, 2011-06)The direct laser cooling of neutral diatomic molecules in molecular beams suggests that trapped molecular ions can also be laser cooled. The long storage time and spatial localization of trapped molecular ions provides ... -
Characteristics of laterally vibrating resonant microcantilevers in viscous liquid media
(Georgia Institute of TechnologyAmerican Institute of Physics, 2012-01)The characteristics of microcantilevers vibrating laterally in viscous liquid media are investigated and compared to those of similar microcantilevers vibrating in the out-of-plane direction. The hydrodynamic loading on ... -
Characterization of the loss of plasmonic modes in planar metal-insulator-metal waveguides by a coupling-simulation approach
(Georgia Institute of TechnologyOptical Society of America, 2010-02)Metal–insulator–metal (MIM) structures have been the subject of great interest as nanoscale plasmonic waveguides. The modeling and measurement of the loss in these waveguides is one of the critical issues in realizing the ... -
Characterization of the molecular parameters determining charge transport in anthradithiophene
(Georgia Institute of TechnologyAmerican Institute of Physics, 2004-05)The molecular parameters that govern charge transport in anthradithiophene (ADT) are studied by a joint experimental/theoretical approach involving high-resolution gas-phase photoelectron spectroscopy and quantum-mechanical ... -
Chemical reaction dynamics within anisotropic solvents in time-dependent fields
(Georgia Institute of TechnologyAmerican Institute of Physics, 2004-12)The dynamics of low-dimensional Brownian particles coupled to time-dependent driven anisotropic heavy particles (mesogens) in a uniform bath (solvent) have been described through the use of a variant of the stochastic ... -
Chip-level waveguide-mirror-pillar optical interconnect structure
(Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2006-07)Waveguides, mirrors, and polymer pillars can be integrated together to provide optical interconnects to the chip level. Total internal reflection in the polymer pillar provides a high level of spatial confinement of the ... -
Chip-to-Module Interconnections Using "Sea of Leads" Technology
(Georgia Institute of TechnologyMaterials Research Society, 2003-01)The drive toward higher density and higher performance in integrated circuits creates a need to keep interconnects short and eliminate layers of packaging. In this article, we propose a novel, ultrahigh-density (exceeding ... -
Chromophores in phenylenevinylene-based conjugated polymers: Role of conformational kinks and chemical defects
(Georgia Institute of TechnologyAmerican Institute of Physics, 2006-07)The influence of chemical defects and conformational kinks on the nature of the lowest electronic excitations in phenylenevinylene-based polymers is assessed at the semiempirical quantum-chemical level. The amount of ... -
Closed, heated reaction chamber design for dynamic high-temperature x-ray- diffraction analyses of gas/solid displacement reactions
(Georgia Institute of TechnologyAmerican Institute of Physics, 2005-12)A closed, x-ray transparent chamber for containing a hot reactive gas (generated from an internal condensed source) has been designed and evaluated for use in dynamic x-ray-diffraction analysis of a gas/solid displacement ... -
Commensurate growth and diminishing substrate influence in a multilayer film of a tris(thieno)hexaazatriphenylene derivative on Au(111) studied by scanning tunneling microscopy
(Georgia Institute of TechnologyAmerican Physical Society, 2008-02)Layer-by-layer growth of the electron-transport material tris 2,5-bis 3,5-bis-trifluoromethyl-phenyl -thieno 3,4-b,h,n -1,4,5,8,9,12-hexaazatriphenylene THAP on Au 111 is probed by scanning tunneling microscopy STM ... -
Communication: Orbital instabilities and triplet states from time-dependent density functional theory and long-range corrected functionals
(Georgia Institute of TechnologyAmerican Institute of Physics, 2011-10)Long-range corrected hybrids represent an increasingly popular class of functionals for density functional theory (DFT) that have proven to be very successful for a wide range of chemical applications. In this Communication, ... -
Compact and self-aligned all-optical image correlator based on third-harmonic generation
(Georgia Institute of TechnologyOptical Society of America, 2007-09)We demonstrate a compact optical correlator using a diffractive optical element (DOE) beam splitter for 2D optical image processing. Image frequency conversion and correlation are demonstrated using third-harmonic generation ... -
Compact Fourier-transform volume holographic spectrometer for diffuse source spectroscopy
(Georgia Institute of TechnologyOptical Society of America, 2005-04)We present a new idea for diffuse source spectroscopy using a Fourier-transform volume holographic spectrometer formed by a Fourier-transform lens, a volume hologram, and a CCD. We show that this spectrometer can operate ... -
Compact on-chip interferometers with high spectral sensitivity
(Georgia Institute of TechnologyOptical Society of America, 2009-01)We introduce on-chip interferometers in which the spatial output interference pattern is observed along a detection plane. We show that by using photonic crystals with strong dispersive properties in these devices, highly ... -
Compact silicon diffractive sensor: design, fabrication, and prototype
(Georgia Institute of TechnologyOptical Society of America, 2012-07)An in-plane constant-efficiency variable-diffraction-angle grating and an in-plane high-angular-selectivity grating are combined to enable a new compact silicon diffractive sensor. This sensor is fabricated in silicon-on-insulator ... -
Compact wavelength demultiplexing using focusing negative index photonic crystal superprisms
(Georgia Institute of TechnologyOptical Society of America, 2006-03)Here, we demonstrate a compact photonic crystal wavelength demultiplexing device based on a diffraction compensation scheme with two orders of magnitude performance improvement over the conventional superprism structures ... -
Comparison of Cascade, Lattice, and Parallel Filter Architectures
(Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers ; Optical Society of America, 2010-12)We examine the use of different high-level filter architectures (cascade, lattice, and parallel). We discuss their advantages and disadvantages, and we present simulation results and filter-tolerance tests. This information ... -
Comparison of pentacene and amorphous silicon AMOLED display driver circuits
(Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2008-06) -
A comparison of polarized double-zeta basis sets and natural orbitals for full configuration interaction benchmarks
(Georgia Institute of TechnologyAmerican Institute of Physics, 2003-01)We compare several standard polarized double-zeta basis sets for use in full configuration interaction benchmark computations. The 6-31G**, DZP, cc-pVDZ, and Widmark–Malmqvist– Roos atomic natural orbital ~ANO! basis sets ...