Archive for March 2009
You are browsing the archives of 2009 March.
Hubble Space Telescope finds hidden exoplanet in archival data
The Hubble picture not only provides important confirmation of the planet’s existence, it provides a longer baseline for demonstrating that the object orbits the star.
Previous Stories
- NGC 2438
- Space Shuttle Atlantis at launch pad for Hubble Mission
- Distributed feedback all-organic microlaser based on holographic polymer dispersed liquid crystals
- Russian-European crew starts ‘Mars mission’
- High-performance computing: A video interview with Ray Beausoleil
- Worldwide astronomy marathon set to break records
- Efficient generation of energy-tunable entangled photons in a semiconductor microcavity
- Cluster satellites investigate space turbulence
- Slow surface phonon polaritons for sensing in the midinfrared spectrum
- First European-built receiver heads for ALMA
- Scotland selects two dark sky sites
- Impact of micro-contamination on advanced lithography
- International Supercomputing Conference 2009
- New calibration expands Hubble’s capability
- Surprise recovery of meteorites follow asteroid impact
- An erratic black hole regulates itself
- Single photon emission from a site-controlled quantum dot-micropillar cavity system
- Sun protection using nanoparticles
- Take a virtual flyover of Saturn’s moon Titan
- Finding twin Earths is harder than we thought
- All-chalcogenide glass omnidirectional photonic band gap variable infrared filters
- Internal quantum efficiency and nonradiative recombination coefficient of GaInN/GaN multiple quantum wells with different dislocation densities
- Intense multimicrojoule high-order harmonics generated from neutral atoms of InO nanoparticles
- New interfaces in nanobiophotonics: Video interview with Paras Prasad
- SPICE will measure Sun’s plasma properties
- Hubble uncovers an unusual stellar progenitor to a supernova
- Submonolayer quantum dot infrared photodetector
- Focusing surface plasmons to multiple focal spots with a launching diffraction grating
- GaAsSb/GaAs type-II quantum well with an adjacent InAs quantum-dot stressor layer
- Ultrafast fiber laser delivers high energy and long-term reliability
- Mars Express zeros in on erosion features
- Mars Express zeroes in on erosion features
- Scientists find giant solar twists
- How community-driven hardware development leads to advances in instrumentation
- Deep ultraviolet photoluminescence of Tm-doped AlGaN alloys
- A wireless-compatible optics-free fluorescent array reader
- How community-driven hardware development leads to advances in instrumentation
- NASA’s Fermi mission, Namibia’s Hess Telescopes explore a blazar
- One Mars rover sees a distant goal; the other takes a new route
- Parametric amplification and wavelength conversion in the 10401090 nm band by use of a photonic crystal fiber
- Hearts of galaxies close in for cosmic train wreck
- Quadruple Saturn moon transit snapped by Hubble
- Projection maskless lithography for 22nm half-pitch and below
- 120 [mu]W peak output power from edge-emitting photonic crystal double-heterostructure nanocavity lasers
- Electrical-optical signal mixing and multiplication (2–>22 GHz) with a tunnel junction transistor laser
- Active phase control of a Ag near-field superlens via the index mismatch approach
- Sustainable, renewable nanomaterials may replace carbon nanotubes
- Liquid saltwater is likely present on Mars
- A quantum ring terahertz detector with resonant tunnel barriers
- Polarization tunable selective polariton generator
- Formation of x-ray vortex dipoles using a single diffraction pattern and direct phase measurement using interferometry
- Intermodal four-wave mixing from femtosecond pulse-pumped photonic crystal fiber
- Hybrid structure laser based on semiconductor nanowires and a silica microfiber knot cavity
- Observations of ultraslow light-based photon logic gates: NAND/OR
- A curious pair of galaxies
- Shuttle Discovery launches to fully power International Space Station
- Linear polarization-state generator with high precision in periodically poled lithium niobate
- GaN light-emitting diode with monolithically integrated photonic crystals and angled sidewall deflectors for efficient surface emission
- Negative A-plates for broadband wide-view liquid crystal displays
- Patterned media could enable next-generation hard-disk drives
- Patterned media could enable next-generation hard-disk drives
- Manipulating microwaves with ‘spoof’ surface plasmons
- Manipulating microwaves with ‘spoof’ surface plasmons
- Stardust sheds new light on origin of elements of life
- Google launches “Live from Mars”
- Electro-optics of polymer-stabilized blue phase liquid crystal displays
- Practical enhancement of photoluminescence by metal nanoparticles
- Metal mirror assisting light extraction from patterned AlGaInP light-emitting diodes
- Characterization of archeological human bone tissue by enhanced backscattering of light
- Doppler frequency up conversion of electromagnetic waves in a slotline on an optically excited silicon substrate
- Photorealistic ray tracing aids understanding of metamaterials
- Cassini swaps thrusters
- Mars Odyssey orbiter reboots successfully
- Hubble provides new evidence for dark matter around small galaxies
- Web service automates access to multiple astronomical data sources
- High-Q terahertz Bragg resonances within a metal parallel plate waveguide
- Hybrid waveguides for optically pumped amplifiers
- Two-dimensional electro-optic sampling of terahertz radiation using high-speed complementary metal-oxide semiconductor camera combined with arrayed polarizer
- Periodically poled silicon
- Electric field assisted fabrication of carbon nanotube-nanocrystal composite structures
- Keck Telescope to observe Kepler finds
- Tailoring the electronic properties of GaInP beyond simply varying alloy composition
- All-inorganic light emitting device based on ZnO nanoparticles
- Positron generation through laser Compton scattering gamma ray
- Designing novel carbon nanostructures for hydrogen storage
- NASA gives ‘Go’ for space shuttle launch on March 11
- NASA’s Kepler mission rockets to space in search of other Earths
- Broadside excitation of surface plasmon waveguides on Cytop
- Midinfrared GaInSb/AlGaInSb quantum well laser diodes operating above 200 K
- Wavelength selection for quantum cascade lasers by cavity length
- All-optical polarization switch in a quadratic nonlinear photonic quasicrystal
- Nematicons in chiral nematic liquid crystals
- Spirit Rover faces circuitous route
- Kepler satellite mission to find Earth-size planets
- Experimental demonstration of phase resonances in metallic compound gratings with subwavelength slits in the millimeter wave regime
- Enhancement of carrier focusing GaN based vertical cavity surface emitting lasers and polariton lasers
- Voltage-driven in-plane steering of nematicons
- Self-mixing interferometry in vertical-cavity surface-emitting lasers for nanomechanical cantilever sensing
- Ultrahigh spontaneous emission extraction efficiency induced by evanescent wave coupling
- Mars Odyssey Mission status report: Flight team to check backup system
- Elusive binary black hole system identified
- Sky-event alert: Saturn rules the night
- Intervalley separation in the conduction band of InGaAs measured by terahertz excitation spectroscopy
- Role of interface roughness in the transport and lasing characteristics of quantum-cascade lasers
- A KTiOPO nonlinear photonic crystal for blue second harmonic generation
- Optically pumped intersubband emission of short-wave infrared radiation with GaN/AlN quantum wells
- Newfound moon may be source of outer Saturn ring
- The lower atmosphere of Pluto revealed
- 500 nm electrically driven InGaN based laser diodes
- Optical transmission properties of perforated metal films in the middle-infrared range
- Optical bistability enhanced by highly localized bulk plasmon polariton modes in subwavelength metal-nonlinear dielectric multilayer structure
- SiGe quantum well infrared photodetectors on pseudosubstrate
- On resonant optical excitation and carrier escape in GaInN/GaN quantum wells
- Subwavelength-resolved bidirectional imaging between two and three dimensions using a surface plasmon launching lens
- Trio of galaxies mixes it up
- Hubble has a winner
- Trio of galaxies mix it up
- Swift satellite records early phase of gamma-ray burst
- Sustainability and the role of innovation policies in the current financial crisis