News tagged with optical emission

Novel nanocrystals with advanced optical properties developed for use as luminescent biomarkers

Upconversion emission materials are ideal for bioimaging due to its effectiveness as contrast agents for the detection of cancer cells, more so when the background emission of non-cancerous tissues can be minimised. These ...

Nanotechnology / Nanomaterials

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

A cosmic exclamation point

(PhysOrg.com) -- VV 340, also known as Arp 302, provides a textbook example of colliding galaxies seen in the early stages of their interaction. The edge-on galaxy near the top of the image is VV 340 North ...

Space & Earth / Astronomy

created Aug 12, 2011 | popularity 4.3 / 5 (8) | comments 42 | with audio podcast

Image: Black Hole Blows Big Bubble

This composite image shows a powerful microquasar produced by a black hole in the outskirts of the nearby (12.7 million light years) galaxy NGC 7793. The large image contains data from the Chandra X-ray Observatory ...

Space & Earth / Space Exploration

created Jul 12, 2010 | popularity 4.3 / 5 (6) | comments 4

Galaxy Cluster Abell 3627: Two Tails to Tell

(PhysOrg.com) -- Two spectacular tails of X-ray emission has been seen trailing behind a galaxy using the Chandra X-ray Observatory.

Space & Earth / Astronomy

created Jan 22, 2010 | popularity 5 / 5 (5) | comments 1 | with audio podcast

RIT astronomer mines Spitzer Space Telescope data for massive starbursts

Understanding the evolution of galaxies is one of the biggest questions confronting astronomers today. Looking at distant astronomical objects gives scientists important clues to the origins of the Milky Way Galaxy and other ...

Space & Earth / Astronomy

created Dec 08, 2009 | popularity 4.3 / 5 (3) | comments 0

New laser -- it's a gas, gas, gas... sensor

(PhysOrg.com) -- A new generation of optical sensors is enabling the development of robust, long-lasting, lighting-fast trace gas detectors for use in a wide range of industrial, security and domestic applications.

Technology / Engineering

created Dec 04, 2009 | popularity 4.8 / 5 (4) | comments 0

Seeing Previously Invisible Molecules for the First Time

(PhysOrg.com) -- A team of Harvard chemists led by X. Sunney Xie has developed a new microscopic technique for seeing, in color, molecules with undetectable fluorescence. The room-temperature technique allows ...

Chemistry / Analytical Chemistry

created Oct 23, 2009 | popularity 5 / 5 (7) | comments 1

An Intriguing, Glowing Galaxy

A supermassive black hole may be responsible for the glowing appearance of galaxy 3C 305, located about 600 million light years away in the constellation Draco. Composite data from NASA’s Chandra X-ray Observatory ...

Space & Earth / Astronomy

created May 14, 2009 | popularity 4.1 / 5 (12) | comments 1

Liquid crystal lasers promise cheaper, high colour resolution laser television

(PhysOrg.com) -- Researchers at the Centre of Molecular Materials for Photonics and Electronics (CMMPE) (part of the Department's Photonics Research Group at the University of Cambridge) are leading the way ...

Physics / Optics & Photonics

created Apr 20, 2009 | popularity 4.6 / 5 (21) | comments 4

New plasma transistor could create sharper displays

(PhysOrg.com) -- By integrating a solid-state electron emitter and a microcavity plasma device, researchers at the University of Illinois have created a plasma transistor that could be used to make lighter, ...

Physics / Plasma Physics

created Feb 04, 2009 | popularity 4.7 / 5 (9) | comments 2