News tagged with optical systems

Researchers produce ultra-short light pulses using on-chip microresonator

(PhysOrg.com) -- Researchers from the NIST Center for Nanoscale Science and Technology and Purdue University have designed and fabricated an on-chip microresonator that converts continuous laser light into ultra-short pulses ...

Physics / Optics & Photonics

created Jan 19, 2012 | popularity not rated yet | comments 0

NASA considers sending a telescope to outer solar system

Light pollution in our inner solar system, from both the nearby glow of the Sun and the hazy zodiacal glow from dust ground up in the asteroid belt, has long stymied cosmologists looking for a clearer take ...

Space & Earth / Space Exploration

created Dec 20, 2011 | popularity 4.8 / 5 (9) | comments 30

World's first demonstration of multi-vendor equipment interoperability in transmitting 100 gigabit ethernet signals over

Fujitsu Limited, NEC Corporation, and Anritsu Corporation today jointly announced that, in field tests, for the first time in the world they successfully demonstrated interoperability testing for optical network interface ...

Technology / Telecom

created Dec 13, 2011 | popularity not rated yet | comments 0

Trillion-frame-per-second video

By using optical equipment in a totally unexpected way, MIT researchers have created an imaging system that makes light look slow.

Technology / Engineering

created Dec 13, 2011 | popularity 4.8 / 5 (41) | comments 31 | with audio podcast

Rresearch improves diagnosis and potential treatment of neuromyelitis optica

Mayo Clinic researchers have identified critical steps leading to myelin destruction in neuromyelitis optica (NMO), a debilitating neurological disease that is commonly misdiagnosed as multiple sclerosis (MS). The findings ...

Medicine & Health / Research

created Dec 02, 2011 | popularity 5 / 5 (1) | comments 0

Ten years of Very Large Telescope adaptive optics

(PhysOrg.com) -- Ten years ago today, NACO became operational: the first adaptive optics system of ESO's Very Large Telescope (VLT). Adaptive Optics allows astronomers to remove the stars' twinkling – ...

Space & Earth / Space Exploration

created Nov 25, 2011 | popularity 4.4 / 5 (9) | comments 3

Crystal erbium compound offers superior optical properties, can enhance energy, computer, lighting technologies

Arizona State University researchers have created a new compound crystal material that promises to help produce advances in a range of scientific and technological pursuits.

Physics / Optics & Photonics

created Nov 16, 2011 | popularity 4.9 / 5 (8) | comments 2 | with audio podcast

Using nanophotonics to reshape on-chip computer data transmission

A team at Stanford's School of Engineering has demonstrated an ultrafast nanoscale light emitting diode (LED) that is orders of magnitude lower in power consumption than today's laser-based systems and able ...

Physics / Optics & Photonics

created Nov 15, 2011 | popularity 4.8 / 5 (11) | comments 1 | with audio podcast

Low vitamin D levels may be associated with recurrent inflammatory spinal cord disease

Vitamin D levels are significantly lower in patients with recurrent inflammatory spinal cord disease, according to a study published Online First by Archives of Neurology.

Medicine & Health / Neuroscience

created Nov 14, 2011 | popularity not rated yet | comments 0

ACE Africa cable to go online late next year: France Telecom

A fibre-optic cable from France to South Africa will go online in the second half of 2012, bringing high-speed Internet links to a host of west African countries, France Telecom said Wednesday.

Technology / Telecom

created Nov 09, 2011 | popularity not rated yet | comments 0

Putting artificial atoms on the clock

Around the turn of the century, scientists began to understand that atoms have discrete energy levels. Within the field of quantum physics, this sparked the development of quantum optics in which light is ...

Physics / General Physics

created Nov 07, 2011 | popularity 5 / 5 (1) | comments 0

Hinode's first light... and five more years

(PhysOrg.com) -- On October 28, 2006, the Hinode solar mission was at last ready. The spacecraft launched on September 22, but such missions require a handful of diagnostics before the instruments can be turned ...

Space & Earth / Space Exploration

created Nov 02, 2011 | popularity 4 / 5 (1) | comments 4 | with audio podcast

Fast new method for mapping blood vessels may aid cancer research

Like normal tissue, tumors thrive on nutrients carried to them by the blood stream. The rapid growth of new blood vessels is a hallmark of cancer, and studies have shown that preventing blood vessel growth ...

Physics / Optics & Photonics

created Oct 31, 2011 | popularity 5 / 5 (1) | comments 0

Erasing history? Temporal cloaks adjust light's throttle to hide an event in time

Researchers from Cornell University in Ithaca, N.Y., have demonstrated for the first time that it's possible to cloak a singular event in time, creating what has been described as a "history editor." In a feat of Einstein-inspired ...

Physics / Optics & Photonics

created Oct 12, 2011 | popularity 4.3 / 5 (15) | comments 14 | with audio podcast

Nanowire lens can reconfigure its imaging properties

(PhysOrg.com) -- By taking advantage of the unique optical properties of nanoscale materials, researchers have designed a lens made of nanowires that can reconfigure its imaging properties without any electronic ...

Nanotechnology / Nanophysics

created Oct 11, 2011 | popularity 5 / 5 (11) | comments 3 | with audio podcast feature