News tagged with optical systems

We need to talk: How cells communicate to activate notch

During formation of multi-cellular organisms, cells need to talk to each other to make critical decisions as to what kind of cell to become, as well as when and where to become that cell type. The Notch signaling system allows ...

Biology / Cell & Microbiology

created May 31, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Subaru telescope pioneers the use of adaptive optics for optical observations

A research team from the University of Tokyo/Kavli IPMU, Ehime University, and the National Astronomical Observatory of Japan (NAOJ) has succeeded in conducting the first, full-scale scientific observationswith ...

Space & Earth / Astronomy

created May 25, 2012 | popularity 5 / 5 (1) | comments 0

A magnetic approach to lattices

(Phys.org) -- JQI experimentalists under the direction of Ian Spielman are in the business of using lasers to create novel environments for neutral atoms. For instance, this research group previously enticed ...

Physics / General Physics

created May 22, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

NRL RAIDS experiment advances ionospheric remote sensing

Naval Research Laboratory scientists have obtained a first-ever measured altitude profile of a dim extreme-ultraviolet terrestrial airglow emission that provides vital information needed to test and improve ...

Space & Earth / Earth Sciences

created May 18, 2012 | popularity not rated yet | comments 0

Liberia to get high-speed internet by October

Liberian President Ellen Johnson Sirleaf said late Monday the west African nation will get high-speed internet from October, as it connects to a fibre optic cable running along the west African coast.

Technology / Telecom

created May 08, 2012 | popularity not rated yet | comments 0

Handheld probe shows promise for oral cancer detection

A team of American researchers have created a portable, miniature microscope in the hope of reducing the time taken to diagnose oral cancer.

Technology / Engineering

created Apr 26, 2012 | popularity 4 / 5 (1) | comments 0 | with audio podcast

Sony moves industry toward the creation of new mass-storage optical disc archive solutions

Sony Corporation today announced that it will be commercializing a next-generation optical disc archive storage system. Sony will also organize an Optical Disc Archive Advisory Group to promote the adoption ...

Electronics / Hardware

created Apr 16, 2012 | popularity 2 / 5 (1) | comments 1

Trade-off coding for quantum communication provides more benefits than previously thought

(Phys.org) -- In optical communication systems, the overall performance depends on the strategy used to transmit photons from one location to another. In previous attempts to optimize this performance, scientists ...

Physics / Quantum Physics

created Apr 16, 2012 | popularity 4.4 / 5 (9) | comments 0 | with audio podcast feature

New ultra-small laser opens up a world of possibilities

(PhysOrg.com) -- Computing and medicine are among the many fields which could be revolutionised by a new form of ultra-small laser.

Physics / Optics & Photonics

created Apr 04, 2012 | popularity 5 / 5 (7) | comments 0 | with audio podcast

Researchers develop new method for the production of microlenses

Inspired from Mother Nature: The body of the brittlestar Ophiocoma wendtii is studded with tiny crystalline lenses made of calcium carbonate. Microlenses like these are of great interest technologically, yet th ...

Physics / Condensed Matter

created Mar 26, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Researchers present a shiny new tool for imaging biomolecules

At the heart of the immune system that protects our bodies from disease and foreign invaders is a vast and complex communications network involving millions of cells, sending and receiving chemical signals ...

Nanotechnology / Nanophysics

created Mar 23, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Highest honors for quantum computer pioneer

Experimental physicist Rainer Blatt from the Institute for Quantum Optics and Quantum Information (IQOQI) in Innsbruck, Austria, will receive the Stern-Gerlach Medal of the German Physical Society. The medal ...

Physics / Quantum Physics

created Mar 23, 2012 | popularity 5 / 5 (6) | comments 0

Tailored optical material from DNA: Nano spiral staircases modify light

In the human body genetic information is encoded in double-stranded deoxyribonucleic acid building blocks, the so-called DNA. Using artificial DNA molecules, an international team of scientists headed by the ...

Nanotechnology / Nanomaterials

created Mar 14, 2012 | popularity 4.5 / 5 (2) | comments 0 | with audio podcast

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