Archive for February 2008
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Water not flowing on Mars
Liquid water has not been found on the Martian surface within the last decade after all, according to new research.
Previous Stories
- Preparing for Phoenix
- Water found flowing on Mars?
- Eu[sup 2+]–Mn[sup 2+] phosphor saturation in 5 mm light emitting diode lamps
- In-plane microelectromechanical resonator with integrated Fabry–P[e-acute]rot cavity
- Control of spontaneous emission coupling factor beta in fiber-coupled microsphere resonators
- New theory of star formation
- Rugged terrain found near Moon’s south pole
- Moon truck concept
- Electric-field tuning s-d exchange interaction in quantum dots
- Extendability of 193nm immersion lithography
- Biomolecular motors: A video interview with Henry Hess
- A lifetime in optics: A video interview with Robert Edmund
- The search for dark matter
- Magneto-optical isolator with silicon waveguides fabricated by direct bonding
- Photovoltaic effects and its oxygen content dependence in BaTiO[sub 3 - delta]/Si heterojunctions
- For semiconductor manufacture, pattern alignment requires subnanometer uncertainty
- Double-sided silicon strip detector for x-ray imaging
- Galileo satellite GIOVE-B presented at ESA/ESTEC
- New theory sheds light on space enigma
- Microfabricated water immersion zone plate optical tweezer
- Polarization beam splitting through an anisotropic metamaterial slab realized by a layered metal-dielectric structure
- Highly collimated laser emission from a peanut-shaped microcavity
- Broad-stripe, single-mode, mid-IR interband cascade laser with photonic-crystal distributed-feedback grating
- Optically transduced MEMS/NEMS resonators: A video interview with Harold Craighead
- Ulysses mission coming to a natural end
- Testing light suppression for the New Worlds Observer mission
- Measuring fluid transport through scaffolds for engineered tissue
- Successful EGNOS trial in San Sebastian
- Saturn rules the night
- The light and dark of Venus
- Red single-photon emission from an InP/GaInP quantum dot embedded in a planar monolithic microcavity
- Microscopic calculation and measurement of the laser gain in a (GaIn)Sb quantum well structure
- A microfluidic refractive index sensor based on an integrated three-dimensional photonic crystal
- Generation of ultrashort optical pulses using multiple coherent anti-Stokes Raman scattering in a crystal at room temperature
- Linewidth enhancement factor of terahertz quantum cascade lasers
- A low-loss, robust setup for double optical gating of high harmonic generation
- Giant stability enhancement of rare-earth implanted SiO[sub 2] light emitting devices by an additional SiON protection layer
- A knock on the space door
- A star with an attitude
- U.S. successfully destroys satellite
- Study of residual background carriers in midinfrared InAs/GaSb superlattices for uncooled detector operation
- Low loss porous terahertz fibers containing multiple subwavelength holes
- Oscillating wave sensor based on the Goos–H[a-umlaut]nchen effect
- Spatial distribution of crown shaped light emission from a periodic inverted polygonal deflector embedded in an InGaN/GaN light emitting diode
- Efficient energy extraction from large-mode-area, short, heavily Er:Yb codoped phosphate-glass fiber for pulsed laser applications
- Nonpolar GaN-based microcavity using AlN/GaN distributed Bragg reflector
- Large sensitive-area NbN nanowire superconducting single-photon detectors fabricated on single-crystal MgO substrates
- Ytterbium-doped solid core photonic bandgap fiber for laser operation around 980 nm
- Stationary digital breast tomosynthesis for breast cancer detection
- Novel method for precise 3D nanofabrication
- Galaxies found around galaxies
- Welcome home, Atlantis!
- Three envelope approach for ultrafast pulse characterization in a pump-probe experiment
- Wavelength dependent phase locking in quantum cascade laser Y-junctions
- Next generation missions
- Follow the water
- Terrestrial bodies
- Progress in projection maskless lithography
- Intelligent systems for the autonomous exploration of Titan and Enceladus
- Broadband moth-eye antireflection coatings on silicon
- Electrical tuning of birefringence in silicon waveguides
- Electroluminescence emission from polariton states in GaAs-based semiconductor microcavities
- Pointing stabilization of a high-repetition-rate high-power femtosecond laser for intense few-cycle pulse generation
- GaN doped with neodymium by plasma-assisted molecular beam epitaxy
- Efficient coupling to W1 photonic crystal waveguide on InP membrane through suspended access guides
- Microshutter arrays will paint the picture of the early universe
- Real-time space radiation forecasting in place
- Photoscattering effect in supercontinuum-generating photonic crystal fiber
- High light extraction efficiency of gallium nitride light emitting diode with silicon oxide hemispherical microlens
- Alignment layer effects on thin liquid crystal cells
- Broadband polarizing films by photopolymerization-induced phase separation and in situ Swelling
- First near-Earth triple asteroid found
- Gas from Saturn’s largest moon
- Chasing exoplanets with the help of a chessboard and Pascal’s triangle
- Unique nanotube composites constructed for organic solar cells
- High-speed deformation of soft lithographic nanograting patterns for ultrasensitive optical spectroscopy
- Control of surface plasmon generation efficiency by slit-width tuning
- Hybrid integration of GaAs quantum cascade lasers with Si substrates by thermocompression bonding
- Reducing the color shift of a multidomain vertical alignment liquid crystal display using dual threshold voltages
- Novel monolithic integration of III-Sb materials on Si substrates
- Tunable dual-wavelength laser constructed by silicon micromachining
- New Hubble images reveal galaxy
- Sun-like star flips its magnetic field
- Light echoes reveal the distance to a star
- Enceladus’ geyser findings
- Microstructural evolution in m-plane GaN growth on m-plane SiC
- 1 W tunable dual-wavelength emission from cascaded distributed feedback fiber lasers
- Spatial tuning of laser emission in a dye-doped cholesteric liquid crystal wedge cell
- Lunar eclipse visible for North America
- Name that satellite!
- The search for exosolar planets
- Non-lensing defects and defect reduction for 193i
- Application of dopant segregation to metal-germanium-metal photodetectors and its dark current suppression mechanism
- Templated biomimetic multifunctional coatings
- Single cell gap and wide-view transflective liquid crystal display using fringe field switching and embedded wire grid polarizer
- Tunable negative permeability in an isotropic dielectric composite
- March of the Metamaterials
- Space shuttle Atlantis launched Thursday
- Space shuttle Atlantis launches Thursday
- Two-color pump-probe studies of intraminiband relaxation in doped GaAs/AlGaAs superlattices
- Elimination of scattering effects in spectral measurement of granulated materials using terahertz pulsed spectroscopy
- Electromagnetic beaming from omnidirectional sources by inverse design
- Isolated galaxy or corporate merger?
- Self-written active waveguide for integrated optical amplifiers
- Quantification of the carrier absorption losses in Si-nanocrystal rich rib waveguides at 1.54 mu m
- Effective-medium models and experiments for extraordinary transmission in metamaterial-loaded waveguides
- Gain-induced switching in metal-dielectric-metal plasmonic waveguides
- Optical spin manipulation of electrically pumped vertical-cavity surface-emitting lasers
- 2 Day Worst Case Circuit Analysis Training Workshop
- Enhancement of ZnO light emission via coupling with localized surface plasmon of Ag island film
- At a glance determination of laser light polarization state
- Organic-inorganic hybrid transparent materials containing chromium ion-doped forsterite crystals as gain media
- Valence band structure of AlN probed by photoluminescence
- Tiny treatments promise big results
- Low-cost laser patterning process for flat panel displays
- Nanocomposites for novel holographic applications
- White dwarfs too close to the edge
- Gain and continuous-wave laser power enhancement with a secondary discharge to predissociate molecular iodine in an electric oxygen-iodine laser
- âStarshadesâ for exoplanet detection and characterization
- The growing-up of a star
- New light on dark energy
- Thermal stress analysis of a Nd:YVO[sub 4] laser medium end pumped by a Gaussian beam
- Toward tunable light propagation and emission in thin nanostructured plasmonic waveguides
- Fabrication and crystal line patterning of Li[sub 1.3]Al[sub 0.3]Ti[sub 1.7](PO[sub 4])[sub 3] ion conductive glass by Ni atom heat processing method
- Direct write of microlens array using digital projection photopolymerization
- Vibrational dephasing time imaging by time-resolved broadband coherent anti-Stokes Raman scattering microscopy
- Enhanced broadband near-infrared luminescence in transparent silicate glass ceramics containing Yb[sup 3+] ions and Ni[sup 2+]-doped LiGa[sub 5]O[sub 8] nanocrystals
- Storage and selective release of optical information based on fractional stimulated Raman adiabatic passage in a solid
- Quantitative analysis of Kerr nonlinearity and Kerr-like nonlinearity induced via terahertz generation in ZnTe
- Effects of atmospheric turbulence on remote optimal control experiments
- Darkness over Antarctica
- Dust-devil tracks on Mars