| Laser beam (119) |  |
| Laser beam (119) | |
The laser beam is focused between the two prongs of the quartz tuning fork. When light at a specific wavelength is absorbed by the gas of interest
These agents are excited by a laser beam in order to produce fluorescence in the UV range of the spectrum.
You can create materials by design. he researchers use a direct laser writing method called two-photon lithography to ritea three-dimensional pattern in a polymer by allowing a laser beam to crosslink
and the bowl with molasses is created via laser beams and magnetic fields. ntil now the complicated vibrations and rotations of molecules proved too difficult for such trapping.
and do it a lot of times. he slowed molecules enter a specially shaped magnetic field where opposing laser beams pass through the center of the field along three perpendicular axes.
The laser beam is focused between the two prongs of the quartz tuning fork. When light at a specific wavelength is absorbed by the gas of interest
"The mirror directs the laser beams across the field of vision, from left to right,"says Professor Ulrich Schmid of TU Vienna."
they first generated entangled photons by converting a laser beam into pairs of photons that were in opposite polarization states
Using the National Ignition Facility (NIF) at Livermore Smith's team bombarded tiny targets with 176 laser beams to put the squeeze on diamond.
Laser beams do not spread out as much as radio waves while they travel which means that they must be aimed very precisely at detectors on the ground.
and fiber that first transfer energy from diode lasers into a medium usually a crystal before converting it into a laser beam.
Scanning the brain with a laser beam can produce 3-D images of neural activity, but it takes a long time to capture an image
and Dust environment Explorer (LADEE) spacecraft had made history by using a pulsed laser beam to transmit data over the 239000 miles from the moon to Earth at a record-breaking data-download speed of 622 megabits per second (Mbps). This download speed is more than six times faster than the speed achieved by the best
LLCD also demonstrated a data-upload speed of 20 Mbps on a laser beam transmitted from a ground station in New mexico to the LADEE spacecraft in lunar orbit;
whose electronic properties could be unedin real time simply by shining precise laser beams at them. The work pens up a new avenue for optical manipulation of quantum states of matter,
changing it from a conductor to a semiconductor just by changing the laser beam polarization. Normally, to produce such dramatic changes in a material properties,
which works by sending a laser beam through a sample, then splitting the beam into two.
The optical lattice was generated using two laser beams traveling in opposite directions, whose fields add up to form a sinusoidal periodic pattern in one dimension.
With this technology a low-power laser beam is directed at the tumor where a small amount of magnetic iron-oxide nanoparticles are present either by injecting the particles directly into the tumor
The paper describes how two laser beams beating at a specific frequency are used to drive chemical bonds to vibrate in sync.
By focusing these laser beams onto the nanodiamond, a high-resolution CARS image is generated. Using an in-house built microscope,
heated the surface with a laser beam, and then recorded the temperature evolution of the sample."
when the radius of the laser beam used to heat the metal coated crystals was above ten microns,
"The researchers use a direct laser writing method called two-photon lithography to"write"a three-dimensional pattern in a polymer by allowing a laser beam to crosslink
Scientists looking to create a path into the cell without employing a virus also have experimented with using UV-visible light laser beams alone.
which two laser beams scan over a sample. One beam arouses fluorescent molecules to glow while the second beam suppresses all other fluorescence except for that in a nanometer-sized area.
a laser beam is moved in a computer-controlled three-dimensional manner within the epoxy resin layer thus curing the resin locally.
generated using laser beams, and is 100 times stronger than that of the world strongest magnets.
The electric field of the laser beams creates what known as a periodic potential landscape, similar to an egg carton,
ultrahigh magnetic field, using laser beams to push atoms around in tiny orbits, similar to the orbits of electrons under a real magnetic field.
and two additional laser beams to control the motion of the atoms. On a flat lattice, atoms can easily move around from site to site.
In this scenario, atoms could only move with the help of laser beams. ow the laser beams could be used to make neutral atoms move around like electrons in a strong magnetic field
Using laser beams, the group could make the atoms orbit, or loop around, in a radius as small as two lattice squares, similar to how particles would move in an extremely high magnetic field. nce we had the idea,
All we had to do was take two suitable laser beams and carefully align them at specific angles,
which could make them lose their superfluid properties. t a complicated experiment, with a lot of laser beams, electronics,
suggesting that an additional detector could be installed to register the light from any damaging laser beams.
generated using laser beams, and is 100 times stronger than that of the world strongest magnets.
The electric field of the laser beams creates what known as a periodic potential landscape, similar to an egg carton,
ultrahigh magnetic field, using laser beams to push atoms around in tiny orbits, similar to the orbits of electrons under a real magnetic field.
and two additional laser beams to control the motion of the atoms. On a flat lattice, atoms can easily move around from site to site.
In this scenario, atoms could only move with the help of laser beams. ow the laser beams could be used to make neutral atoms move around like electrons in a strong magnetic field
Using laser beams, the group could make the atoms orbit, or loop around, in a radius as small as two lattice squares, similar to how particles would move in an extremely high magnetic field. nce we had the idea,
All we had to do was take two suitable laser beams and carefully align them at specific angles,
which could make them lose their superfluid properties. t a complicated experiment, with a lot of laser beams, electronics,
the laser beam fuses the titanium powder into a solid form. Layer by layer, the 3d printer tranforms titanium alloy powder into cups with micro-hole structure,
K2m 3d Lamellar Titanium Technology uses advanced 3d printing technology to mimic lamellar structures and rowspinal implants with titanium powder and a high-energy laser beam.
An optical trap is created by a highly focused laser beam and can be used to hold or move miniscule objects.
This displacement is detected by the laser beam scattered at the probe. In this way, the three-dimensional position of the probe is measured one million times per second."
so that the laser beam can jump a step forward for a millisecond, "explains Rohrbach.""Once there, the probe records the scattered light from the surface
the laser beam has trapped it again.""Among other things, the Freiburg researchers have used their technique to scan bacteria,
"To make the laser beam's shape and polarization nonseparable, the researchers transformed it into what Milione refers to as a vector beam-a polarization dependent shape.
when the laser beam was separable.""In principal, this could be used to double the data speed of laser communication,
the spots illuminated by the laser beam are brighter, if only briefly, notes Kyros Kutulakos, a professor of computer science at the University of Toronto. ven though wee not sending a huge amount of photons, at short time scales,
The NCI uses an array of tiny LIDARS (scanning laser beams) to gather this information about an object's size and distance away,
scientists have used everything from laser beams to superconducting magnetic fields to levitate objects. And in 2014, researchers at the University of Dundee in Scotland showed that acoustic holograms that act like a tractor beam could theoretically suck in objects."
"Our solution was to combine the laser beam that cools the glass particle with an electric field
"The electric field also gently moves the glass particle around inside the laser beam, helping it lose temperature more effectively."
"By shooting it with a laser beam, we were able to read out the ion that was excited in this way,
The laser beam can be focused precisely, used to tailor the properties of graphene films in finely defined areas,
and chemical processes by adjusting laser beam characteristics. For low energy inputs, multiphoton absorption plays a major role, inducing chemical reactions between carbon
An optical trap is created by a highly focused laser beam and can be used to hold or move miniscule objects.
This displacement is detected by the laser beam scattered at the probe. In this way, the three-dimensional position of the probe is measured one million times per second."
so that the laser beam can jump a step forward for a millisecond, "explains Rohrbach.""Once there, the probe records the scattered light from the surface
the laser beam has trapped it again.""Among other things, the Freiburg researchers have used their technique to scan bacteria,
the direction of the laser beam relative to the object stays the same. One reason the DWLS is unique is that it produces geometric phase holograms that are smoothly varying
"Until now, approaches to use a plasma as a broadband source of terahertz have used commonly an elongated plasma generated by combining together two laser beams of different frequencies, i e.,
An advantage of this"one-color"approach to generating terahertz radiation is the fact that the terahertz waves propagate in a different direction to the laser beam.
the spots illuminated by the laser beam are brighter, if only briefly, noted Kyros Kutulakos, U of T professor of computer science."
The standard approach to squeezing light involves firing an intense laser beam at a material, usually a nonlinear crystal,
In the Cambridge experiment, the researchers achieved this by shining a faint laser beam on to their artificial atom, the quantum dot.
layer by layer, using a computer-controlled laser beam that hardens the plastic. Each six-by-six inch layer takes a mere minute to complete."
and then shoot the laser beam out, confuse the missile. He acknowledges, n Dod, we are the premier place for development of fiber lasers.
generated using laser beams, and is 100 times stronger than that of the world strongest magnets.
The electric field of the laser beams creates what known as a periodic potential landscape, similar to an egg carton,
ultrahigh magnetic field, using laser beams to push atoms around in tiny orbits, similar to the orbits of electrons under a real magnetic field.
and two additional laser beams to control the motion of the atoms. On a flat lattice, atoms can easily move around from site to site.
In this scenario, atoms could only move with the help of laser beams. ow the laser beams could be used to make neutral atoms move around like electrons in a strong magnetic field
Using laser beams, the group could make the atoms orbit, or loop around, in a radius as small as two lattice squares, similar to how particles would move in an extremely high magnetic field. nce we had the idea,
All we had to do was take two suitable laser beams and carefully align them at specific angles,
which could make them lose their superfluid properties. t a complicated experiment, with a lot of laser beams, electronics,
The standard approach to squeezing light involves firing an intense laser beam at a material, usually a nonlinear crystal,
In the Cambridge experiment, the researchers achieved this by shining a faint laser beam on to their artificial atom, the quantum dot.
In the past, surgeons could not see the laser beam through the standard stereomicroscope, nor anatomical details in the NIR images.
and using the correlations between those particles The JQI experiment starts out with a laser beam,
While the steel sheet measuring around one meter in width moves forward at a rate of more than 100 meters per minute a focused laser beam travels at very high speed (approximately 200 meters per second) from side to side
We have developed a means of deflecting the laser beam that allows the distance between the paths to be controlled flexibly
which is used to deflect the laser beam. This increases the flexibility of the machining process and allows it to be adapted to specific conditions such as the quality of the raw material and to different production rates.
"The laser beam is focused between the two prongs of the quartz tuning fork. When light at a specific wavelength is absorbed by the gas of interest,
The optical lattice was generated using two laser beams traveling in opposite directions, whose fields add up to form a sinusoidal periodic pattern in one dimension.
either forwards or backwards along the laser beam it is possible to distinguish between left and right handed molecules with an accuracy of up to several tens of per cent rather than a fraction of a per cent.
Laser beams are blocked by fog, while millimeter wave radio signals are absorbed by rain. Routing data over both simultaneously provides redundancy that allows an AOPTIX link to guarantee a rate of two gigabits per second with only five minutes or less downtime in a year,
AOPTIX originally developed its laser technology for the Pentagon, designing systems that actively steer laser beams to keep data moving between ground stations, drones, and fighter jets.
when used individually, two different laser beams cannot change a chameleon protein's colour. But when the two beams are combined
They then focused the combined laser beam's focal point on the cell body of a single neuron in a live, anesthetized zebrafish.
The optical lattice was produced by two laser beams traveling in opposite directions, the fields of which together form a sinusoidal periodic pattern in a single dimension.
a laser beam can be split onto two arms by a beam-splitter and recombined with beam combiner.
which positions a mirror to precisely direct the laser beams. A camera underneath the hologram captures user interaction, allowing the dots to respond to being ouched.
and then imaging them using Raman microscopy technique that detects the vibrations of molecules by exciting them using a microscope-focused laser beam.
Two laser beams manoeuvre a microbead through a hollow glass fibre In photonic crystal fibres (PCFS), which were invented around 20 years ago by Philip Russell, Director at the Max Planck Institute for the Science of Light,
This was achieved by sending a laser beam through the channel from each end of the fibre.
By setting the power of the two laser beams to different strengths, the bead was pushed in one direction slightly more than in the other and moved through the fibre at a specific speed.
For instance, a laser beam can be split onto two arms by a beam-splitter and recombined with beam combiner.
which positions a mirror to precisely direct the laser beams. A camera underneath the hologram captures user interaction, allowing the dots to respond to being ouched.
Real color images, under low light, of a single laser beam. So, we have a white laser.
A sophisticated laser system sends laser beams into different directions. Therefore different pictures are visible from different angles.
The mirror directs the laser beams across the field of vision from left to right. During that movement the laser intensity is modulated
and uses two different laser beams to excite mercury atoms and monitor blue shifted atomic fluorescence.
Their solid-state technique is a promising alternative to using laser beams in optical fibres an approach which is used currently to create quantum networks around 100 kilometres long.
This means that in the future laser beam-based devices will be able to be reconfigured much faster than is currently possible.
"The capabilities of laser beam shaping and steering are crucial for many optical applications, such as optical manipulation and aberration correction in microscopy.
which are based on establishing a certain level of control over the phase of the laser beam.
The laser beam is not visible to the naked eye. Gesn absorbs and emits light in a wavelength range of about 3 micrometres.
Now, efficient and compact laser sources are at hand emitting in the near-infrared on multi-watt level (CW operation) with a narrow-band spectrum and a stigmatic, nearly Gaussian laser beam
A sophisticated laser system sends laser beams into different directions. Therefore different pictures are visible from different angles.
and a moveable mirror. he mirror directs the laser beams across the field of vision from left to right.
#Engineers create world's first white laser beam Researchers at Arizona State university have created the world's first white laser beam,
< Back - Next >
Overtext Web Module V3.0 Alpha
Copyright Semantic-Knowledge, 1994-2011