Optics News
May 30, 2016

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May 30, 2016

The Future of Sonar in Semiheated Oceans

May 25, 2016 — Light doesn't travel very far underwater so the navy uses sound to transmit messages. The speed of underwater sound depends on a combination of temperature, salinity and pressure. Understanding ... read more

New Multiphoton Microscope and Endoscope Could Speed Up Disease Diagnosis

May 25, 2016 — Two new optical devices could reduce the need to take tissue samples during medical examinations and operations and to then send them for testing – potentially speeding up diagnosis and treatment ... read more

May 25, 2016 — Scientists are testing the development of solar cells made of solid materials to improve their ability to function under harsh environmental ... read more

May 24, 2016 — A family of compounds known as perovskites, which can be made into thin films with many promising electronic and optical properties, has been a hot research topic in recent years. But although these ... read more

May 23, 2016 — Light waves might be able to drive future transistors. The electromagnetic waves of light oscillate approximately one million times in a billionth of a second, hence with petahertz frequencies. In ... read more

May 23, 2016 — Scientists have designed an optically active nanosized supercrystal whose novel architecture can help separate organic molecules, thus considerably facilitating the technology of drug ... read more

Nanotubes Are Beacons in Cancer-Imaging Technique

May 21, 2016 — Strong LED light, a unique detector and targeted nanotubes combine to offer a new way to pinpoint the location of cancer tumors, according to ... read more

May 19, 2016 — Scientists have demonstrated a method to produce significant amounts of semiconducting nanoparticles for light-emitting displays, sensors, solar panels and biomedical ... read more

May 19, 2016 — A group of scientists has succeeded in synthesizing nanoparticles of ultrapure silicon, which exhibited the property of efficient photoluminescence, (secondary light emission after photoexcitation), ... read more

Photon Collisions: Photonic Billiards Might Be the Newest Game!

May 19, 2016 — When one snooker ball hits another, both spring away from each other in an elastic manner. In the case of two photons a similar process -- the elastic collision -- has never been observed. Physicists ... read more

May 18, 2016 — Members of a research group have designed a nanomaterial that changes color when it interacts with ions and other small molecules during a chemical ... read more

May 18, 2016 — Researchers have successfully explained how iron-based dyes work on a molecular level in solar cells. The new findings will accelerate the development of inexpensive and environmentally friendly ... read more

May 17, 2016 — Three new eyeglasses have now been designedusing high-power prisms to optimally expand the visual fields of patients with hemianopia, a condition in which the visual fields of both eyes are cut by ... read more

May 17, 2016 — To bring Brillouin spectroscopy to biological samples -- such as a chicken breast, or a patient's potentially cancerous tumor -- researchers have recently developed a new virtually imaged phased ... read more

May 17, 2016 — If you place a houseplant next to a sunny window, you may notice the leaves bending toward the light. Plants don't have brains, so the vast majority of movement is controlled by the interaction ... read more

Cooling, Time in the Dark Preserve Perovskite Solar Power

May 17, 2016 — A new study has found both the cause and a solution for the pesky tendency of perovskite solar cells to degrade in sunlight, a research breakthrough potentially removing one roadblock to ... read more

May 13, 2016 — In traditional light-harvesting methods, energy from one photon only excites one electron or none depending on the absorber's energy gap. The remaining energy is lost as heat. But a new article ... read more

May 13, 2016 — Recently, engineers placed a single layer of MoS2 molecules on top of a photonic structure called an optical nanocavity made of aluminum oxide and aluminum. The results are promising. The MoS2 ... read more

Laser Pulses: Conductors for Protons

May 13, 2016 — Scientists have managed to manipulate the positions of atoms in hydrocarbon molecules using ultrashort laser ... read more

May 12, 2016 — Researchers found how substantial linear defects in a new semiconductor create entirely new properties. Some of these properties indicate the defects might even mediate superconducting ... read more

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