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 parboi
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 parboi
using 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.