News tagged with optics letters
Adjustable Fluidic Lenses for Eyesight Correction Applications
(PhysOrg.com) -- Researchers from the University of Arizona have created a fluid-based opthalmic lens in which the amount of fluid can be constantly adjusted to provide customized eye correction. The lens may one day be incorporated ...
Feb 24, 2009 |
4.9 / 5 (7) |
3
Quantum dots as midinfrared emitters
(PhysOrg.com) -- “People are interested in the mid-infrared,” Dan Wasserman tells PhysOrg.com. Infrared light has a wavelength longer than visible light, and many molecules have numerous very strong optical resonances in the ...
Feb 23, 2009 |
4.1 / 5 (10) |
1
Engineers tune a nanoscale grating structure to trap and release a variety of light waves
People debating politics are well-advised to shed more light than heat. Engineers working in optical technologies have the same aspiration.
Feb 17, 2009 |
4.6 / 5 (5) |
0
Nanoscopic changes to pancreatic cells reveal cancer
A team of researchers in Chicago has developed a way to examine cell biopsies and detect never-before-seen signs of early-stage pancreatic cancer, according to a new paper in the Optical Society (OSA) journal Optics Letters. Though ...
Nanotechnology / Bio & Medicine
Feb 13, 2009 |
5 / 5 (2) |
1
Beaming new light on life: From beetles to aircraft, nanoparticles aid microscope views
(PhysOrg.com) -- University of Utah physicists and chemists developed a new method that uses a mirror of tiny silver "nanoparticles" so microscopes can reveal the internal structure of nearly opaque biological ...
Feb 05, 2009 |
4.9 / 5 (7) |
0
The Power of Light: Moving Macroscopic Amounts of Matter
(PhysOrg.com) -- Since 1970, scientists have been working with “optical tweezers” - lasers that move microscopic amounts of matter using forces originating from the light matter interaction. Now, for the first ...
Jan 29, 2009 |
3.3 / 5 (12) |
17
Tiny lasers get a notch up
Tiny disk-shaped lasers as small as a speck of dust could one day beam information through optical computers. Unfortunately, a perfect disk will spray light out, not as a beam, but in all directions. New theoretical results, ...
Jan 22, 2009 |
4 / 5 (5) |
0
Fabricating 3D Photonic Crystals
(PhysOrg.com) -- “In photonic crystals, the ability to control the structure of a material in full three dimensional space, allows you to control the way that light flows through it,” John Rogers tells PhysOrg.com. “This ...
Jan 21, 2009 |
4.3 / 5 (9) |
1
