News tagged with optical imaging

Sharper than Hubble: Large Binocular Telescope achieves major breakthrough

(PhysOrg.com) -- The next generation of adaptive optics has arrived at the Large Binocular Telescope (LBT) in Arizona, providing astronomers with a new level of image sharpness never before seen. Developed ...

Space & Earth / Astronomy

created Jun 15, 2010 | popularity 5 / 5 (66) | comments 19 | with audio podcast

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 30 | with audio podcast

Two Retinal Imaging Display Devices at Prototype Stage

(PhysOrg.com) -- NEC and Brother are both developing wearable prototype devices that use Retinal Imaging Display (RID) technology to project images directly on the wearer's retina. NEC's gadget is designed ...

Electronics / Consumer & Gadgets

created Oct 30, 2009 | popularity 4.9 / 5 (29) | comments 9 weblog

Invisibility cloak that generates virtual images gets closer to realization

(PhysOrg.com) -- In a twist on the concept of an invisibility cloak, researchers have designed a material that not only makes an object invisible, but also generates one or more virtual images in its place. ...

Physics / General Physics

created Apr 02, 2010 | popularity 4.5 / 5 (31) | comments 6 | with audio podcast feature

Physicists develop 3D metamaterial nanolens that achieves super-resolution imaging

(PhysOrg.com) -- A research team from Northeastern University has developed a new nanolens that can beat the diffraction limit to achieve so-called super-resolution imaging, better than can be achieved by current technology. ...

Physics / General Physics

created Jan 18, 2010 | popularity 4.7 / 5 (24) | comments 3 | with audio podcast

Holodesk prototype puts life in computers (w/ video)

(PhysOrg.com) -- A research project at Microsoft Research Cambridge has brought forth a prototype called Holodesk, which lets you manipulate virtual objects with your hand. You literally "get your hands on" ...

Technology / Hi Tech & Innovation

created Oct 20, 2011 | popularity 4.7 / 5 (22) | comments 12 | with audio podcast report

Astronomers reveal a cosmic 'axis of evil'

(PhysOrg.com) -- Astronomers are puzzled by the announcement that the masses of the largest objects in the Universe appear to depend on which method is used to weigh them. The new work was presented at a specialist ...

Space & Earth / Astronomy

created Jun 30, 2011 | popularity 4.8 / 5 (17) | comments 23 | with audio podcast

Physicists describe how to make time-reversed light pulses

(PhysOrg.com) -- By taking advantage of the properties of periodic systems, physicists have described how to efficiently time-reverse ultrashort electromagnetic pulses. Since a time-reversed pulse evolves ...

Physics / General Physics

created May 31, 2011 | popularity 4.4 / 5 (17) | comments 44 | with audio podcast feature

Nanoimaging in 3-D

(PhysOrg.com) -- As technology shrinks ever smaller, interest in objects and devices on the nanoscale becomes more apparent. However, visualizing these objects in three dimensions comes with special challenges. ...

Physics / General Physics

created Dec 01, 2009 | popularity 4.7 / 5 (15) | comments 0 feature

Canadian authorities to try 3D image of child to slow drivers

(PhysOrg.com) -- An optical illusion is about to be trialed in West Vancouver, Canada, starting September 7, to try to jolt reckless drivers into slowing down.

Technology / Hi Tech & Innovation

created Sep 07, 2010 | popularity 2.8 / 5 (24) | comments 32 | with audio podcast report

Black Holes Go 'Mano a Mano'

(PhysOrg.com) -- Two black holes in galaxy NGC 6240 are only 3,000 light years apart -- and getting closer.

Space & Earth / Astronomy

created Oct 06, 2009 | popularity 4.3 / 5 (15) | comments 11

Optical microscope without lenses produces high-resolution 3-D images on a chip

(PhysOrg.com) -- UCLA researchers have redefined the concept of a microscope by removing the lens to create a system that is small enough to fit in the palm of a hand but powerful enough to create three-dimensional ...

Physics / General Physics

created Apr 22, 2011 | popularity 4.3 / 5 (14) | comments 0 | with audio podcast

First acoustic metamaterial 'superlens' created

A team of researchers at the University of Illinois has created the world's first acoustic "superlens," an innovation that could have practical implications for high-resolution ultrasound imaging, non-destructive ...

Physics / General Physics

created Jun 24, 2009 | popularity 4.4 / 5 (13) | comments 6

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

Subaru's sharp eye confirms signs of unseen planets in the dust ring of HR 4796 A

(PhysOrg.com) -- The SEEDS (Strategic Exploration of Exoplanets and Disks with Subaru Telescope/HiCIAO) project, a five-year international collaboration launched in 2009 and led by Motohide Tamura of NAOJ ...

Space & Earth / Astronomy

created Dec 30, 2011 | popularity 5 / 5 (11) | comments 1 | with audio podcast

Optical imaging

Optical imaging is an imaging technique.

Optics usually describes the behavior of visible, ultraviolet, and infrared light used in imaging.

Because light is an electromagnetic wave, similar phenomena occur in X-rays, microwaves, radio waves. Chemical imaging or molecular imaging involves inference from the deflection of light emitted from (e.g. laser, infrared) source to structure, texture,anatomic and chemical properties of material (e.g. cristal, cell tissue). Optical imaging systems may be divided into diffusive and ballistic imaging systems.

For more information about Optical imaging, read the full article at Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.