Sentences with word «picosecond»

«We refer to this spin current as thermally - driven and believe that our results extend the emerging discipline of spin caloritronics into the regime of picosecond time scales.

Exposure to intense light at low temperature induces a phase transition in a cuprate superconductor during which it expands within a few picoseconds and then gradually contracts.

«The explanation is, in brief, that in metals, irradiation produces on picosecond time scales a liquid - like zone, which during the cooling - down phase recombines much of the initially produced damage, leading to a factor of 1/3 reduction in damage,» says Professor Kai Nordlund who was in lead of the team on search for more accurate predictions of usability of materials in nuclear environments, that now present their results freshly in Nature Communications.

If so, how could he assert that the era was 10 picoseconds long?

A bubble of air can focus acoustic energy a trillionfold to produce picosecond flashes of light.

The U.S. Food and Drug Administration has approved the use of a 755 - nm picosecond alexandrite laser, a technology that delivers lower doses of energy theoretically leading to fewer adverse events, for the treatment of unwanted tattoos.

Chemical reactions take place so rapidly — often within picoseconds, or a trillionth of a second — that chemists expect intermediate steps in the reaction to be too brief to observe.

Despite 70 years of trying, scientists still can not fully explain how a bubble of air in water focuses acoustic energy a trillionfold to spit out picosecond bursts of ultraviolet radiation.

He started by splitting a light beam as it passed through a 400 - foot - long glass fiber, which created a 40 - picosecond gap of darkness as one part of the beam lagged behind the other.

A field of intense picosecond light pulses generated in an optical fiber.

Water molecules typically flow around each other at picosecond speeds, while proteins fold at nanosecond speeds — 1,000 times slower.

Picosecond generation of spin current is desirable for fast operation of magnetic memory devices.»

High - end products like the LightHUB ® laser beam combiner, the LedHUB ® highpower LED light engine as well as the QuixX ® picosecond pulsed diode laser serve demanding applications in biotechnology, microscopy and many more.

Does this mean that if I place say 400 (or even an infinite number of) thermocouple devices at various positions within his heating pan of water and take measurements to determine «heat» at say 3 time points a couple of picoseconds apart, I will understand the trend regardless of the timing of my experiment (i.e. at what point after application of the heat source I took my first measurement) and regardless of the intensity of the heat source?

Willie Soon's talk was titled on «Beethoven's Ice Cream, Tolstoy's Fire, Happer's Picosecond Pedestal — and Climate» (video below):

For ultrafast operation of such nano - devices, generation of spin current in picoseconds — one trillionth of a second — a time - scale that is difficult to achieve using electrical circuits, is highly desired,» Cahill added.

The finding is a particular achievement because of how impossibly quickly this energy conversion takes place — over the span of a few picoseconds.

Still, a micron - scale look at the thermodynamics of human cells with picosecond time resolution would be a tremendous tool for scientists.

, George Musser refers to the fact that the Compton wavelength of particles would not have existed before 10 picoseconds after the big bang — and hence there could have been no possibility of time before that.

«We quantify thermal spin transfer torque in metallic spin valve structures using an intense and ultrafast heat current created by picosecond — one trillionth of a second — pulses of laser light,» Cahill added.

Prof. C David Wright, an expert in electronic engineering and co-author of the study said: «This device is able carry out all the basic functions you'd associate with the traditional abacus — addition, subtraction, multiplication and division — what's more it can do this using picosecond (one - thousandth of a billionth of a second) light pulses.»

Molecules rotate in the range of picoseconds (10 - 12 s), their atoms vibrate in the range of femtoseconds (10?

PicoQuant provides instrumentation for time - resolved fluorescence and single photon counting applications: picosecond pulsed or modulated diode lasers, Time - correlated single photon counting units, detectors, fluorescence lifetime systems (confocal and super-resolution microscopes, spectrometers), FLIM and FCS upgrade kits for laser scanning microscopes.

The density of neutrons during the tens of picoseconds the NIF target undergoes ignition is expected to be 1033 per cubic centimeter.

One type of laser that's particularly suited for quantum dots is a mode - locked laser, which passively generates ultrashort pulses less than one picosecond in duration.

«In contrast to DRAM or Flash, the physical limit of the write time for quantum dots is in the picosecond range,» he says.

Jeremy A. Brauer, M.D., of the Laser & Skin Surgery Center of New York, and his co-authors describe the use of a picosecond 755 - nm laser with an optical attachment called a diffractive lens array in the treatment of facial acne scarring in a small study.

How can we meaningfully say that structures became possible only at 10 picoseconds if we can't define a picosecond?

The second lens was more powerful than the first, however, so the second 24 - bit pulse was 1 / 27th the length of the one that went in: the pulse duration shrank from 2.5 nanoseconds to 92 picoseconds, but no information was lost.

However, the distance between atoms is very small, at about 100 picometer, and the bonding is completed very quickly, taking less than one picosecond (ps).

Picoseconds are one trillionth of a second, an unimaginable timescale.

«We put in these roughly one - nanosecond pulses at this high power and they break up into very narrow series of small short pulses, typically less than a picosecond in width.

A team of scientists at the Max Planck Institute for Polymer Research (MPI - P) discovered that electrical conduction in graphene on the picosecond timescale — a picosecond being one thousandth of one billionth of a second — is governed by the same basic laws that describe the thermal properties of gases.

A constantly increasing demand for telecommunication bandwidth requires an ever faster operation of electronic devices, pushing their response times to be as short as a picosecond.

In the presence of shock waves, the authors show that, within 100 picoseconds, a droplet hit by an ion gets fragmented into much smaller droplets if its radius is somewhere between 30 and 1000 nanometres.

Only lasers firing in femtosecond bursts — like a strobe flashing every thousandth of a picosecond — can capture the fleeting molecular structures that reacting chemicals form on their way to a final product.

When carbon dioxide dissolves in water, carbonic acid forms, which has a very short lifetime — typically around 30 picoseconds — before dissociating into protons and bicarbonate ions.

The camera counts the number of light particles, or photons, that reach it every 56 picoseconds, or trillionths of a second.