Sentences with phrase «uses focused beams»

Rather than the light used in a traditional microscope, this technique uses focused beams of electrons to illuminate a sample and form images with atomic resolution.
The GFZ's Anja Schreiber prepared these slices using a focussed beam of charged atoms (ions) to ablate the surface.
Specifically, they measured hydrogen and its isotope, deuterium (hydrogen with an extra neutron in its nucleus) with ion microprobes, which use a focused beam of ions to sputter ions from a small rock sample into a mass spectrometer.

Not exact matches

Over the next three years, it will focus on continuing to grow its massive user base, especially in developed nations, and over the next 10 years it will look to build new technology to get more people online and using Facebook through internet - beaming drones.
Micro-Shaping, Polishing, and Damage Repair of Fused Silica Surfaces Using Focused Infrared Laser Beams
According to Gizmag, the Cota «uses intelligently steered phased array antennas to focus a beam of microwaves on a receiver module.»
You can change the size of the beam by using the adjustable focus.
The beam is easily adjustable so you can easily go from using this as a floodlight to a more focuses spot light.
It uses the pressure of a highly focused laser beam to levitate and manipulate delicate microscopic objects such as viruses, bacteria and DNA strands without causing them damage.
The beam is focused using a spherical mirror and passes through a quartz glass plate and is directed towards two ring electrodes that are held at 300 volts.
«Using the powerful and tightly - focused synchrotron beam meant we didn't have to grind the rice to prepare our samples, which is necessary when using standard laboratory equipment, enabling more accurate interpretation as we could plot essential micronutrients to their precise locations within the grain, before and after parboiUsing the powerful and tightly - focused synchrotron beam meant we didn't have to grind the rice to prepare our samples, which is necessary when using standard laboratory equipment, enabling more accurate interpretation as we could plot essential micronutrients to their precise locations within the grain, before and after parboiusing standard laboratory equipment, enabling more accurate interpretation as we could plot essential micronutrients to their precise locations within the grain, before and after parboiling.
This «beam - forming» capability makes the antennas crucial to ultrafast wireless applications, because they can focus a stream of high - frequency radio waves that would quickly dissipate using normal antennas.
So Banhart used a kind of substitute soldercreated on the spotto link two crossed nanotubes: he focused a narrow beam of electrons from a scanning electron microscope at the point where the tubes met, thereby converting contaminants on their surfaces into bridges made from graphite - like carbon that can conduct electricity.
Theoretically, you could pattern metamaterials at that tiny scale using specialized methods like focused beams of charged atoms, but such materials would be difficult to mass - produce.
They then dragged each bead across a cell using optical tweezers, a technique that employs a highly focused laser beam to physically move microscopic objects.
They used a scanning electron microscope and focused ion beam to obtain thin - slice images of the membrane, which they analyzed with software, rebuilding the three - dimensional structure of the membranes to determine fuel cell longevity.
A cutting - edge development of our centre is the use of a focused proton beam to create three - dimensional microstructures with high aspect ratios and structural accuracy.
One way would have been to use an inflow of gaseous fluoride to coat the surface of the KMgF3 thin film, but instead the team discovered a safer route to fabricating it with pulsed laser deposition — a way of layering thin films of chemicals onto surfaces through irradiation with a focused laser beam.
DARPA is looking at more efficient technologies, like fiber lasers and liquid lasers, which could lead to smaller, more compact devices, while the Navy is researching a Free Electron Laser, an experimental technology that uses high - speed electrons to generate an extremely powerful focused beam of radiation.
Using time - correlated photon pairs, we show a reduction in the group velocity of photons in both a Bessel beam and photons in a focused Gaussian beam.
Just as we use lenses to focus and reshape visible light, magnets are used to focus and reshape electron beams.
«We've pushed the capabilities of LCLS down in the sub-micron region by using extreme focusing that creates a more intense beam on the tiny sample,» Boutet says.
In 1968 Vladilen S. Letokhov first proposed that atoms could be trapped in a light beam using the dipole force, and 10 years later Arthur Ashkin of AT&T Bell Laboratories suggested a more practical trap based on focused laser beams.
The team is working now to miniaturize the device further, find more biocompatible materials and improve the surface transceiver that sends and receives the ultrasounds, ideally using beam - steering technology to focus the sounds waves on individual motes.
They used a class of nondiffracting beams, known as 2D optical lattices, which spread the excitation energy across the entire field of view while simultaneously eliminating out - of - focus excitation.
A second point was the finding that textures can be written with much lower beam intensity using tightly focused electron pulses.
However, the wavelength of the beam from the infrared lasers used in CD players and existing laser disc recorders is too long to be focused precisely enough to read such tiny pits.
By focusing an X-ray beam onto the silver paste during the contact formation, the researchers were able to capture the chemical and physical changes to the solar cell and the silver paste during the firing process and use those data to create a better picture of what happens.
To identify the location of each element with atomic precision, the researchers used a method in which the electron beam of one of the world's leading ultrahigh - resolution electron microscopes is finely focused, sent through the specimen and, by interactions with the specimen, loses part of its energy.
I am an experimentalist, and I use ultrahigh - resolution ion - and electron - microscopy techniques, including focused - ion - beam scanning - electron microscopy and transmission electron microscopy, to determine the composition and structure of these materials at scales ranging from millimeters down to the atomic.
Arne Voie, David Burns and Francis Spelman focused a laser beam into a thin sheet to illuminate a fluorescent sample and captured the reflected light using a different objective lens oriented perpendicular to the plane of illumination (i.e. light sheet).
This knifeless surgery uses highly focused beams of radiation to ablate tumors.
The Neutralized Drift Compression Experiment - II (NDCX - II) is an energy - efficient induction accelerator that will focus beams of ions using the technique of neutralized drift compression developed at Berkeley Lab.
Using all of the ingenuity that makes us human, focused like a laser beam, and dogged as a turtle crossing a road, we cut calories.
Regardless, the two fighters will offer distinct gameplay styles, with Black Panther using melee attacks focused around the claws on his hands and feet and Sigma exploiting his beam sword for paralyzing moves.
Profile An efficient light which uses one or more lenses and an ellipsoidal reflector to focus the light into a sharp beam.
Early Xenon light conversions were totally unsuitable for vehicle use because they did not form a distinct beam or focused pattern.
Critics will focus on Chevrolet's use of what's arguably a semi-independent rear suspension rather than an independent design, a variation on a torsion beam supplemented by a Z - link Watt's linkage, which keeps the suspension centered.
Using a technology that is allowed here — an infrared night vision camera with pedestrian detection — Dynamic Light Spot uses focused spotlights in the lower fog lamps to project a bright, non-startling beam at pedestrians anywhere on a dark roadway for a few seconds.
The all - new Focus lighting technologies including Adaptive Front Lighting System that adjusts the headlight beam angle and intensity to match the driving environment, and Glare - free high beam that removes the guilt of accidentally dazzling other drivers and helps users see more of the road ahead at night, are supported by advanced full - LED headlamps that use an innovative adjustable drum configuration for greater flexibility and softer, less distracting transitions.
In this procedure, a focused light beam is used to heat and cut the tissues, but it is still an amputation.
In the Itrax WoodScanner system, the sample laths are scanned in increment steps using a focused high - energy X-ray beam and an X-ray line camera that detects the amount of radiation that passes through the sample.
These nodes would be placed on as many street - level items as possible, such as lamp posts, and send information between each other using narrow, focused beams.
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