Sentences with phrase «femtoseconds for»

Pulse duration of 45 femtoseconds for monochromatized harmonics is 300 times shorter than the typical pulse duration of synchrotron radiation (15 picoseconds) and is comparable to the pulse length of a free - electron laser (FEL).

The solvation time (300 femtoseconds) after the internal conversion [140 femtoseconds for] was similar to that of bulk water, indicating the dominant role of the local water structure in the dynamics of hydration.

Not exact matches

Those particles spontaneously come into being — for mere femtoseconds — and are then gone again.

SLAC's instrument benefits from a high - energy, ultrabright electron source originally developed for the lab's femtosecond X-ray laser, the Linac Coherent Light Source (LCLS), a DOE Office of Science User Facility.

From the rotation and the nuclear motion in molecules captured in the last decades with femtosecond technology, we are now able for the first time to track in real time the response of electrons bound in atoms,» Dr. Goulielmakis pointed out.

This type of manipulation requires a powerful light source such as an ultrafast laser and would last for only a femtosecond, or one quadrillionth of a second.

Here, we demonstrate the potential of time - resolved, femtosecond electron energy loss spectroscopy (EELS) for mapping electronic structural changes in the course of nuclear motions.

One reason for this is that the first few steps of reactions after the absorption of an X-ray, happen extremely fast, within 10 - 100 femtoseconds.

The recorded charge transfer time clocked in at under 50 femtoseconds, comparable to the fastest times recorded for organic photovoltaics.

The time in which the photoelectrons are able to fly «back and forth» in a laser field and return for rescattering on the parent ion is comparable with the length of the optical cycle of the laser (a few femtoseconds).

«Factor in a femtosecond charge transfer rate and MX2 semiconductors provide an ideal way to spatially separate electrons and holes for electrical collection and utilization.»

Simultaneously, they irradiated the glass particles with an intense light field, which interacted with the electrons for a few femtoseconds (millionths of a billionth of a second), causing them to oscillate.

In short, the femtosecond is great for handling whole atoms and molecules.

In 1999 Ahmed Zewail, at Caltech, won the Nobel Prize in chemistry for a series of elegant experiments that revealed how chemical bonds break and re-form over a timescale of 100 to 200 femtoseconds.

At the same time, they fired a second infrared laser pulse at the same target, lasting for about four femtoseconds (1 fs is 10 - 15 seconds).

Around 100 femtoseconds are required for a ray of light to traverse the width of a human hair.

Bengt Nordéns contribution to form a strong research school in Gothenburg has been successful: as many as 12 out of his about 50 former PhD students and postdocs have become professors, abroad or at other Swedish universities, and three have returned to contribute a forceful environment with their own profiles within the Department: Prof Bo Albinsson (femtosecond spectroscopy and fundamentals of electron transfer), Prof Per Lincoln (new transition - metal - based DNA ligands and statistical mechanics for gene targeting), Prof Björn Åkerman (fundamentals and applications of DNA physical chemistry).

They started with the experimental set up traditionally used for second harmonic generation studies in Geiger's group, which included a femtosecond laser oscillator from Newport Spectra Physics, optical lenses and mirrors, and a flow cell produced in - house for housing the alpha - quartz / water interface.

These tools, however, produce nothing close to the angstrom - level (tenth of a nanometer) resolution of a new type of microscope that uses femtosecond pulses of extreme ultraviolet light (EUV)-- the same wavelength light to be used for sub-10 nanometer semiconductor lithography.]

The combination of temperature dependent micro-Raman and femtosecond reflectivity measurements allows for a complete decoupling of the effects of temperature, geometry, and strain on the acoustic phonon dynamics [2, 3].

Involvement with other tasks: Protein crystallization will be carried out at UROM and preparation for Serial femtosecond crystallography experiments.

«With HiRES, the time resolution will be about 100 femtoseconds, or the time it takes for chemical bonds to form and break.

Crossed - crystal scheme for femtosecond - pulsed entangled photon generation in periodically poled potassium titanyl phosphate

For development of innovative spectroscopic techniques based on femtosecond optical frequency combs

These opportunities include using ultrafast X-ray sources to extract time - dependent structural information from proteins; and revolutionary possibilities created by X-ray Free Electron Laser radiation for an entirely new regime of pre-damage serial femtosecond crystallography.

Using the world's most powerful x-ray laser, an international collaboration led by Berkeley Lab researchers took femtosecond «snapshots» of water oxidation in photosystem II, the only known biological system able to harness sunlight for splitting the water molecule.

These opportunities include the use of short - pulsed X-ray sources for extracting time - dependent structural information from proteins; and the revolutionary new possibilities created by X-ray Free Electron Lasers, which combine ultrafast X-ray pulses with high brilliance focussing capabilities to create an entirely new regime of pre-damage time - resolved serial femtosecond crystallography on unprecedented time - scales.

Femtosecond lasers can deliver quadrillionths of second pulses of energy, and were already being successfully and widely made use of for cornea reshaping and the correcting of astigmatisms, farsightedness and nearsightedness.

Quantum Electronics Electronics, theoretical investigations of femtosecond laser pulses propagation in nonlinear medium, modeling by «C», «MATLAB», «SIMULINK» and Mathcad the optical devices for high speed optical communication systems, circuits and signals, digital signal processing, analog & mixed cmos circuit design, HSPICE, COSMOS Synopsys software, Multisim Electronics Workbench, design experience with 0.13 um, 90nm, 65...

Operated IntraLase femtosecond laser for laser vision correction procedures and therapeutic applications.