Archive for October 2008
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Powering up nanoparticles: versatile carbon materials for engineering and medicine
Nanocomposites synthesized from different combinations of nanoparticles and matrix materials demonstrate notably increased strength, thermal stability, and electrical conductivity.
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- Powering up nanoparticles: versatile carbon materials for engineering and medicine
- Powering up nanoparticles: versatile carbon materials for engineering and medicine
- Powering up nanoparticles: versatile carbon materials for engineering and medicine
- Stark-tunable electroluminescence from cavity polariton states
- Simultaneous observation of single- and two-photon excitation photoluminescence on optically quenched wide-gap semiconductor crystals
- All-optical steering of soliton waveguides in dye-doped liquid crystals
- Autofluorescence insensitive imaging using upconverting nanocrystals in scattering media
- Optical property of beta barium borate in terahertz region
- A new material for high-performance solar cells
- Single-source clusters enable tailoring of structures and nanostructures
- Single-source clusters enable tailoring of structures and nanostructures
- Single-source clusters enable tailoring of structures and nanostructures
- Single-source clusters enable tailoring of structures and nanostructures
- NASA’s Hubble Space Telescope is back in business
- Astronomers continue the search for antimatter
- NASA delays Hubble servicing mission
- Precision polishing optics up to two meters
- CHEP 2009 (17th International Conference on Computing in High Energy and Nuclear Physics)
- APS April Meeting 2009
- 2009 AAAS Annual Meeting
- APS March Meeting 2009
- Phoenix plays it “safe”
- Gate-field-induced phase transitions in VO[sub 2]: Monoclinic metal phase separation and switchable infrared reflections
- Surface-emitting terahertz quantum cascade laser source based on intracavity difference-frequency generation
- Semicon Europa 2009
- MRS Spring 2009
- MESSENGER reveals more of Mercury’s hidden territory
- NASA’S Phoenix mission faces survival challenges
- Label-free porous silicon membrane waveguide for DNA sensing
- Native-oxide-confined high-index-contrast lambda = 1.15 mu m strain-compensated InGaAs single quantum well ridge waveguide lasers
- Millisecond Brillouin scattering spectroscopy
- Fabrication and characterization of ultrafast carbon nanotube saturable absorbers for solid-state laser mode locking near 1 mu m
- NASA orbiter reveals details of a wetter Mars
- Aberration-free imaging for light and electrons
- Simple theoretical model for the temperature stability of InAs/GaAs self-assembled quantum dot lasers with different p-type modulation doping levels
- Superconducting single photon detectors with minimized polarization dependence
- Solar system’s young twin has two asteroid belts
- Scientists selected for new eye on the universe
- OECD countries should boost science and innovation to drive long-term growth
- Study of the characteristics of 1.55 mu m quantum dash/dot semiconductor lasers on InP substrate
- Satellite directly sees ‘Sun-quakes’
- NASA’s next Moon mission begins thermal vacuum test
- Low divergence single-mode surface emitting quantum cascade ring lasers
- Distribution of point defects in orientation-patterned GaAs crystals: A cathodoluminescence study
- OFC/NFOEC
- Control of broad-area vertical-cavity surface emitting laser emission by optically induced photonic crystals
- Electroluminescence from silicon-rich nitride/silicon superlattice structures
- Revealing the crystal orientation of ultrathin films
- A claret-colored cloud with a massive heart
- Cosmic lens reveals distant galactic violence
- Mapping the accelerating expansion of the universe
- Imaging the innermost solar corona
- Hybrid-powered astronomical laboratory for Antarctica
- Laser drilling induced electrical type inversion in vacancy-doped p-type HgCdTe
- Evidence of “crossed” transitions in dots-in-a-well structures through waveguide absorption measurements
- Nanomaterial enabled laser transfer for organic light emitting material direct writing
- Sixfold symmetry of excitonic transition energies in c-plane for wurtzite GaN
- Glass supported ZnSe microring strongly coupled to a single CdSe quantum dot
- Hungary should boost innovation to drive economic growth, says OECD
- Astronomy recognizes outstanding public programming
- NASA launches IBEX mission to outer solar system
- Visible red random lasing in Y[sub 2]O[sub 3]:Eu[sup 3+]/ZnO polycrystalline thin films by energy transfer from ZnO films to Eu[sup 3+]
- Ultrafast phase-resolved pump-probe measurements on a quantum cascade laser
- Direct evidence of trap-mediated excitation in GaN:Er[sup 3+] with a two-color experiment
- Implementation scheme for quantum controlled phase-flip gate through quantum dot in slow-light photonic crystal waveguide
- Colliding galaxies reveal colossal black holes were common in early universe
- Mars’ moon almost certainly made of rubble
- Direct laser writing of three-dimensional photonic structures in Nd:yttrium aluminum garnet laser ceramics
- Spacecraft discovers first pure gamma-ray pulsar
- HiRISE camera reveals rare polar martian impact craters
- Rare-earth-doped nanoparticles prove illuminating
- A monolithic optical sensor based on whispering-gallery modes in polystyrene microspheres
- Enhancement of third harmonic generation by a laser-induced plasma
- Tunable liquid microlens actuated by infrared light-responsive hydrogel
- High-resolution mask inspection at the wafer plane
- New theory improves understanding of galaxy formation
- Telescope and satellite probe violently variable black holes
- Lunar camera ready for blast off
- Terahertz surface plasmon polaritons on a helically grooved wire
- Terahertz heterodyne receiver with quantum cascade laser and hot electron bolometer mixer in a pulse tube cooler
- Fiber laser pumped high average power single-cycle terahertz pulse source
- Highly efficient low-voltage cathodoluminescence of LaF[sub 3]:Ln[sup 3+] (Ln = Eu[sup 3+],Ce[sup 3+],Tb[sup 3+]) spherical particles
- Beryllium acceptor binding energy in AlN
- Mapping Earth-like planets at a distance of 30 lightyears
- NASA’s Spitzer gets peek inside Comet Holmes
- NASA’s Spitzer gets peak inside Comet Holmes
- Smaller and more recent features on Mars can now be dated
- Venus Express searching for life â on Earth
- Tides have major impact on planet habitability
- A novel technique for making highly efficient biomimetic devices
- Mapping Earth-like planets at a distance of 30 lightyears
- Mapping Earth-like planets at a distance of 30 lightyears
- Mapping Earth-like planets at a distance of 30 lightyears
- Mapping Earth-like planets at a distance of 30 lightyears
- Mapping Earth-like planets at a distance of 30 lightyears
- Mapping Earth-like planets at a distance of 30 lightyears
- Mapping Earth-like planets at a distance of 30 lightyears
- Mapping Earth-like planets at a distance of 30 lightyears
- Mapping Earth-like planets at a distance of 30 lightyears
- Mapping Earth-like planets at a distance of 30 lightyears
- Mapping Earth-like planets at a distance of 30 lightyears
- Mapping Earth-like planets at a distance of 30 lightyears
- Mapping Earth-like planets at a distance of 30 lightyears
- Mapping Earth-like planets at a distance of 30 lightyears
- Mapping Earth-like planets at a distance of 30 lightyears
- Mapping Earth-like planets at a distance of 30 lightyears
- Mapping Earth-like planets at a distance of 30 lightyears
- Mapping Earth-like planets at a distance of 30 lightyears
- Mapping Earth-like planets at a distance of 30 lightyears
- Mapping Earth-like planets at a distance of 30 lightyears
- A novel technique for making highly efficient biomimetic devices
- A novel technique for making highly efficient biomimetic devices
- Intersubband linewidths in quantum cascade laser designs
- Coherent trapping of x-ray photons in crystal cavities in the picosecond regime
- Enhanced high-gain harmonic generation for x-ray free-electron laser
- Giant cyclones imaged at Saturn’s poles
- New images yield clues to seasons of Uranus
- Winds of baby stars
- Thunderstorms can drive jet streams on all giant planets
- NASA’S Mars Odyssey is shifting orbit
- NASA supercomputer shows how dust rings point to exo-Earths
- Terahertz surface plasmon polaritons on a helically grooved wire
- Terahertz heterodyne receiver with quantum cascade laser and hot electron bolometer mixer in a pulse tube cooler
- Ionic liquid as additive to increase sensitivity, resolution, and diffraction efficiency of photopolymerizable hologram material
- Reduction in dark current using resonant tunneling barriers in quantum dots-in-a-well long wavelength infrared photodetector
- High quality ultraviolet AlGaN/GaN multiple quantum wells with atomic layer deposition grown AlGaN barriers
- Phoenix Lander digging and analyzing soil as darkness gathers
- Suppression of the subband parasitic peak by 1 nm i-AlN interlayer in AlGaN deep ultraviolet light-emitting diodes
- Mask inspection with locally variable sensitivity
- Splashly portrait helps explain how stars form
- Nature and fate of early star-forming galaxy resolved
- 12 W peak-power 10 ps duration optical pulse generation by gain switching of a single-transverse-mode GaInN blue laser diode
- Gigahertz modulation of tunable terahertz radiation from photomixers driven at telecom wavelengths
- Near-ultraviolet excitable orange-yellow Sr[sub 3](Al[sub 2]O[sub 5])Cl[sub 2]:Eu[sup 2+] phosphor for potential application in light-emitting diodes
- Supercollimation in photonic crystals composed of silicon rods
- 3D measurement for improved quality control of surface mount technology
- Stunning images from MESSENGER’s second Mercury flyby
- Big galaxy collisions can stunt star formation
- Video of October 6 asteroid 2008 TC3
- Cassini flyby of Saturn moon to offer insight into solar system history
- Open Innovation in Global Networks
- Optical excitation and characterization of gigahertz acoustic resonances in optical fiber tapers
- An interview with Harry Atwater: Nanostructures for high-efficiency photovoltaics
- Asteroid will disintegrate in Earth’s atmosphere Monday
- Galaxy ramming through space creates fireballs
- Galaxy ramming through space creates fireballs
- Asteroid will disintegrate in Earth’s atmosphere tonight
- Asteroid will disintegrate in Earth’s atmosphere tonight
- NASA spacecraft ready to explore outer solar system
- NASA spacecraft ready to explore outer solar system
- Arizona State University research team selected to guide search for life
- Influence of the material parameters on quantum cascade devices
- InSbN alloys prepared by two-step ion implantation for infrared photodetection
- Amplified dispersive Fourier-transform imaging for ultrafast displacement sensing and barcode reading
- Direct probe of the built-in electric field of Mg-doped a-plane wurtzite InN surfaces with time-resolved electric-field-induced second harmonic generation
- Generation of tunable Fourier-transform-limited terahertz pulses in 4-N,N-dimethylamino-4[sup [prime]]-N[sup [prime]]-methyl stilbazolium tosylate crystals
- InAs–GaSb laser: Prospects for efficient terahertz emission
- Transverse mode competition effects on the dynamics of gain-switched vertical-cavity surface-emitting lasers
- KuaFu proposed to study space weather
- NASA challenges students to design tools for Moon rovers
- Outer solar system not as crowded as astronomers thought
- Images reveal cloudy weather on failed star twins
- Three photon absorption in silicon for 2300–3300 nm
- Low noise superconducting single photon detectors on silicon
- Ultraviolet generation in periodically poled lithium tantalate waveguides
- Ultrafast high-field carrier transport in GaAs measured by femtosecond pump-terahertz probe spectroscopy
- Antireflection coatings for two-dimensional photonic crystals using a rigorous impedance definition
- FAB Expectations
- Tuning the magnetic moment of charge carriers
- Low-friction and long-wearing diamond films
- MESSENGER’s second Mercury flyby
- Sharpening up our view of Jupiter
- Spitzer Telescope pinpoints supernova shockwave
- Laser activation of dopants for nanowire devices on glass and plastic