Archive for August 2009
You are browsing the archives of 2009 August.
Galactic bombardment unlikely to destroy Milky Way
Computer simulations show that a collision between a large galaxy and its satellite would result in the satellite gradually disintegrating while its gravity tugged at the larger galaxy’s edge, drawing out stars and other material.
Previous Stories
- Broadband blue superluminescent light-emitting diodes based on GaN
- UPDATED: Fire threatens Mount Wilson Observatory
- Fire threatens Mount Wilson Observatory
- Double walled carbon nanotubes as ultrafast optical switches
- The correlation between electron density and anchoring strength in the inorganic vertical alignment layer
- OECD Conference on Potential Environmental Benefits of Nanotechnology: Fostering Safe Innovation-Led Growth
- Mirror cast for Mexican 6.5-meter infrared telescope
- Warped debris disks around stars are blowing in the wind
- A step forward toward smart white lighting: Combination of glass phosphor and light emitting diodes
- Overcoming gain-bandwidth product constraint in slow light Raman amplification with the use of light-stopping schemes
- Optical contrast and clarity of graphene on an arbitrary substrate
- A ultraviolet-visible-near infrared photodetector using nanocrystalline Si superlattice
- Study on the formation of dodecagonal pyramid on nitrogen polar GaN surface etched by hot HPO
- Enabling a new generation of astronomical spectrographs
- Planar metallic nanoscale slit lenses for angle compensation
- Trapped rainbow effect in visible light left-handed heterostructures
- A ring artifact suppression algorithm based on a priori information
- Functional quantum circuit combines photon gates
- Palomar’s 200-inch telescope: still innovating after 60 years of science
- UPDATE: NASA sets new target launch date for space shuttle Discovery
- NASA sets new target launch date for space shuttle Discovery
- Effects of backward-propagating waves and lumped mirror losses on self-induced transparency modelocking in quantum cascade lasers
- Effect of efficiency droop in violet and blue InGaN laser diodes
- Remembering Galileo’s telescope
- Citizen Sky investigates Epsilon Aurigae
- Ghost pinhole imaging in Fraunhofer region
- Temperature dependent optical properties of (002) oriented ZnO thin film using surface plasmon resonance
- Antique Optics on Display
- Catalina Sky Survey success spawns grant for a public synoptic sky survey
- Plasmonic light enhancement in the near-field of metallic nanospheroids for application in intermediate band solar cells
- Simultaneous two-level lasing in GaInAsSb/GaSb strained quantum-well lasers
- InGaN laser diodes with 50 mW output power emitting at 515 nm
- Experimental verification of extraordinary transmission without surface plasmons
- An old star provides new light on universe formation
- Laser-direct photoetching of metal thin film for the electrode of transistor
- Demonstration of nonpolar a-plane InGaN/GaN light emitting diode on r-plane sapphire substrate
- Probing exciton-phonon interaction in AlN epilayers by photoluminescence
- Laser-trapping method may help contain airborne nanoparticles
- New research limits Big Bang’s output of gravitational waves
- Fusing of two cells 2.5 billion years ago enabled evolution
- New research limits Big Bang’s output of gravity waves
- Growths of staggered InGaN quantum wells light-emitting diodes emitting at 520525 nm employing graded growth-temperature profile
- External cavity quantum cascade laser tunable from 7.6 to 11.4 [mu]m
- Complex emission dynamics of type-II GaSb/GaAs quantum dots
- Self-cleaning photonic coatings
- Life’s building block discovered in comet
- Direct modulation of excited state quantum dot lasers
- Spontaneous formation of a polariton condensate in a planar GaAs microcavity
- Dynamics of microbubble generation and trapping by self-focused femtosecond laser pulses
- Effect of defect saturation on terahertz emission and detection properties of low temperature GaAs photoconductive switches
- Tiny flares responsible for outsized heat of Sun’s atmosphere
- FabryPerot nanocavities in multilayered plasmonic crystals for enhanced biosensing
- Charles Vest: Science and engineering key to meeting challenges
- Scientists discover storms in the tropics of Titan
- Burn-in mechanism of 450 nm InGaN ridge laser test structures
- Making temperature-insensitive optofluidic photonic-crystal devices
- Mars orbiter shows angled view of martian crater
- Huge planet orbits wrong way
- Micrometric spatial control of rare earth ion emission in LiNbO: A two-dimensional multicolor array
- Optimizing chemical gas sensors using IR spectroscopy
- Bayesian statistics integrates prior information in parametric optical modeling
- European Polymer Congress
- Mars, methane, and mysteries
- Meteorite found on Mars yields clues about planet’s past
- Planet smash-up sends vaporized rock, hot lava flying
- Strain-induced nitrogen incorporation in atomic layer epitaxy growth of InAsN/GaAs quantum wells using metal organic chemical vapor deposition
- Ultrafast pulse characterization using cross phase modulation in silicon
- First black holes kept to a strict diet, study shows
- Revelations in Saturn’s rings continue as equinox approaches
- Enhanced Raman scattering by spatially distributed atomic coherence
- Nonaqueous sol-gel synthesis of metal oxide nanostructures
- Planetary Science Institute founder William K. Hartmann named 2010 Barringer Medal winner.
- 2009 Perseid meteor shower will light up the sky
- Kepler mission spies changing phases in a distant world
- Observation of a fifth-order optical nonlinearity in BiLaFeMgO ferroelectric thin films
- Photoluminescence properties of erbium doped InGaN epilayers
- Tapered photoconductive terahertz field probe tip with subwavelength spatial resolution
- Surface features on Titan form like Earth’s, but with a frigid twist
- Temperature dependence of the energy transfer from amorphous silicon nitride to Er ions
- Silicon-on-insulator technology enables next-generation radiation image sensors
- Hyperactive galaxies discovered in the early universe
- Spitzer sees the cosmos through “warm” infrared eyes
- The Gravity and Extreme Magnetism Small Explorer mission will explore the polarized universe
- Laser wavelength effects in ultrafast near-field laser nanostructuring of Si
- High efficiency light emitting diode with anisotropically etched GaN-sapphire interface
- Resonant coupling of quantum dot intersublevel transitions with midinfrared photonic crystal modes
- Keeping Texas nighttime skies dark
- Burt Rutan talks about commercial Moon-orbit