Sentences with phrase «ultraviolet laser»

Scientists are using this extended comb to study the fine structure of atoms and molecules with extreme ultraviolet laser light.

Together with Rangaswamy Srinivasan and Samuel E. Blum, for their discovery of pulsed ultraviolet laser surgery, wherein laser light cuts and etches biological tissue by photoablation with minimal collateral damage, leading to healing without significant scarring.

The technique, called Ultrafast photomodulation spectroscopy (UPMS), uses ultraviolet laser pulses of femtosecond duration to change the refractive index of silicon in a tiny area on the photonic chip.

NIF's 192 powerful laser beams, housed in a 10 - story building the size of 3 football fields, can deliver nearly 2 million joules of ultraviolet laser energy in billionth - of - a-second pulses onto a target about the size of a pencil eraser.

Now UC Davis graduate student Zhou Lu, working with professors in the Departments of Chemistry and of Earth and Planetary Sciences, has shown that oxygen can be formed in one step by using a high energy vacuum ultraviolet laser to excite carbon dioxide.

Two million joules of ultraviolet laser energy then converges on a cylindrical target called a hohlraum, after the German word for «cavity.»

Fibers treated this way can transmit stable, high - power ultraviolet laser light for long periods of time, resisting the damage usually caused by UV light.

Together with James J. Wynne and Samuel E. Blum, for their discovery of pulsed ultraviolet laser surgery, wherein laser light cuts and etches biological tissue by photoablation with minimal collateral damage, leading to healing without significant scarring.

To do this, they fired ultraviolet laser pulses lasting 100 to 200 attoseconds (10 - 18 seconds) at a helium atom to start exciting its pair of electrons.

Eugene Tkalya of the Institute of Nuclear Physics at Moscow State University in Russia suggests making a thorium laser by firing conventional ultraviolet lasers at crystals made mostly of lithium, calcium, aluminium and fluorine, with a sprinkling of thorium.

Using an ultrafast, ultraprecise ultraviolet laser, a team of physicists and biologists at Vanderbilt University has taken an important step toward understanding the nature of these trigger signals.

The trick worked because relevant phonon peaks can be seen with much better resolution in the spectrum of nickel oxide under ultraviolet laser excitation,» Balandin added.

In a series of experiments, the team fired an unspeakably brief, extremely ultraviolet laser pulse at a helium atom to start exciting its pair of electrons.

«Therapy for ultraviolet laser beams: Hydrogen - treated fibers.»

NIST researchers then tested the fibers by transmitting ultraviolet laser light through them.

But a new study of pulsed ultraviolet lasers finds that living tissue actually helps the lasers cut more effectively.

A spatially coherent beam from fs pulses of a tabletop extreme ultraviolet laser illuminates an object, the intensity of the scattered light is collected on a pixel array detector, and the data is computationally interpreted to provide quantitative amplitude and phase contrast information about a surface or object.

The company has demonstrated a taggant powder that, when illuminated with an invisible ultraviolet laser, can be detected by infrared cameras 2 kilometres away.

Ultraviolet laser sources involve some special safety hazards, mostly related to the risks of eye damage and causing skin cancer.

Krausz uses ultraviolet laser pulses to track the absurdly brief quantum leaps of electrons within atoms.

Zhou used a vacuum ultraviolet laser to irradiate CO2 in the laboratory.

Researchers at the National Institute of Standards and Technology (NIST) have put this hydrogen «cure» to practical use, making optical fibers that transmit stable, high - power ultraviolet laser light for hundreds of hours.

After the hydrogen diffused into the fiber cores, the fibers were cured by exposure to ultraviolet laser light for several days.

Together with Rangaswamy Srinivasan and James J. Wynne, for their discovery of pulsed ultraviolet laser surgery, wherein laser light cuts and etches biological tissue by photoablation with minimal collateral damage, leading to healing without significant scarring.

The NIF's 192 lasers currently represent the most powerful system in the world, generating up to 1.8 megajoules and 500 terawatts of ultraviolet laser energy.

If a product has never been heated then it's code for either HPP or irradiation / pulsed ultraviolet laser light.

An ultraviolet laser frees the ATP, allowing it to rush into the ion channels of the modified neurons.

«Our team was able to accomplish this task by using Raman spectroscopy with an ultraviolet laser, instead of conventional visible light lasers.

They then deposit the bismuth ferrite onto the grid using an ultraviolet laser.

The prostheses were made from a resin that hardens when exposed to ultraviolet laser light.

The technique uses an ultraviolet laser controlled by a computer - aided design system to trace patterns across the surface of a photoactive polymer solution.

Laser Rain Keitaro Yoshihara of the Toyota Physical and Chemical Research Institute in Nagakute, Japan, is using an ultraviolet laser to generate water droplets, mist, or ice particles from the ambient air in his lab.

A larger Predator drone could then illuminate the target with an ultraviolet laser and track its progress.

In the developed light source, a nonlinear optical crystal is irradiated with light from an ultraviolet laser.

When hit with a burst from an ultraviolet laser, the ATP broke free, activating the rat ion channels and causing the fly's neurons to fire, the researchers report today in Cell.

This method, which uses an ultraviolet laser developed as part of PNNL's Microbial Communities Initiative, permits spatially resolved carbon stable isotope measurements versus standard methods that produce average, bulk - type measurements.

Other surgical probes rely on infrared or ultraviolet lasers to «ablate» or vaporize the surface of tissues to analyze their molecular profile.

The results show that the gap around the node at sufficiently low temperatures can be well described by a monotonic d - wave gap function for both samples and the... ▽ More The energy gap of optimally doped Bi2 (Sr, R) 2CuOy (R = La and Eu) was probed by angle resolved photoemission spectroscopy (ARPES) using a vacuum ultraviolet laser (photon energy 6.994 eV) or He I resonance line (21.218 eV) as photon source.

Abstract: The energy gap of optimally doped Bi2 (Sr, R) 2CuOy (R = La and Eu) was probed by angle resolved photoemission spectroscopy (ARPES) using a vacuum ultraviolet laser (photon energy 6.994 eV) or He I resonance line (21.218 eV) as photon source.

Another new feature on ExoMars is the rover's capacity for extracting organic molecules using a high - power ultraviolet laser.