Sentences with phrase «light sources»

«Experiments have gotten a lot more complex over the past 20 years, not just at LCLS but at synchrotron light sources, too,» he said.

He's been an active user of SSRL and other light sources and has developed a number of new techniques for exploring materials with X-rays, many of which are now standard at light sources around the world; in 2015 he received SLAC's Farrel W. Lytle Award for this work.

The secret to distinguishing between natural and artificial light sources, Loeb and Turner realized, is making multiple observations of an object in motion.

Unfortunately for amateur physicists, the optical force effect becomes imperceptible for larger light sources, so flashlight beams can not tug on one another.

But the powerful light sources — often lasers — required to activate the fluorescent molecules also burn them out and spark toxic chemical reactions inside cells.

In that spirit, Loeb and Turner want to press on with their search for artificial - looking light sources.

Up to now, all plasmonic interferometers have required the use of highly specialized external light sources that can deliver coherent light — beams in which light waves are parallel, have the same wavelength, and travel in - phase (meaning the peaks and valleys of the waves are aligned).

Those kinds of light sources, however, tend to be bulky, expensive, and require careful alignment and periodic recalibration to obtain a reliable optical response.

The research team has developed a technique that eliminates the need for highly specialized external light sources that deliver coherent light, which the technique normally requires.

Without coherent light sources, the interferometers can not produce usable interference patterns.

In addition to eliminating the need for specialized external light sources, the approach has several advantages, Pacifici said.

Scientists with the H0LiCOW collaboration have now weighed in, using quasars, ultrabright light sources stirred up by supermassive black holes.

«Tunable infrared OPA light sources today cost around a $ 100,000 and take up a good bit of space on a tabletop or lab bench,» said study lead author Yu Zhang, a former Rice graduate student at LANP.

«New generation of storage - ring - based synchrotron light sources.»

«Many researchers have attempted to construct light sources with carbon nanotubes as field emitter,» Shimoi said.

This causes the material to have great potential as a back reflector to enhance the efficiency of solar cells or tiny on - chip light sources.

There are other advantages of this approach: «An important feature is that our demonstrated device achieves near - ideal rendering of colors,» notes Ilic, referring to the requirement of light sources to faithfully reproduce surrounding colors.

«They are, in a sense, pushing the power of single molecules as nanoscale light sources to the limit,» says W. E. Moerner, a physical chemist at Stanford University in Palo Alto, California.

Such structures are currently of interest because they may be suitable for electricity generation from waste heat or as novel light sources and catalysts.

Their glaring effect is smaller than that of high - performance LEDs that are perceived as spot - like light sources.»

At present, numerous applications in the field of spectroscopy are still in the visible or near infrared range and use relatively weak light sources.

Constructed of layers of atomically thin materials, including transition metal dichalcogenides (TMDs), graphene, and boron nitride, the ultra-thin LEDs showing all - electrical single photon generation could be excellent on - chip quantum light sources for a wide range of photonics applications for quantum communications and networks.

For measuring objects at a distance and for medical imaging, compact light sources with a very high optical power are required.

Glucolight spares the premature babies blood samples and enables the blood sugar level to be monitored permanently thanks to the sensor's novel measuring technology, which comprises several parts: A microdialysis measuring head, which was developed at the University Hospital Zurich, with a «smart» membrane developed at Empa; light sources; a pump; and a microfluidics chip with a fluorometer, also developed at the University Hospital Zurich.

Until now, laser light sources for such applications were «off chip» — missing — from the component,» Lau explained.

As novel light sources, carbon nanotubes of about 1 micrometer in length and 1 nanometer in diameter are positioned on metal contacts in transverse direction to the waveguide.

«There are only small light sources when your brainwaves are not in sync, and when your brainwaves are perfectly in sync, the dome fills up with light,» Dikker says.

Taking a page from the art - restoration handbook, scientists sampled a variety of light sources to see if any could be used to strip the ink from laser - printed documents without damaging or discoloring the paper.

Most light pollution derives from older style light sources that disperse illumination horizontally rather than directionally toward the target area.

Together they will allow researchers to make observations over a wider energy range, capture detailed snapshots of rapid processes, probe delicate samples that are beyond the reach of other light sources and gather more data in less time, thus greatly increasing the number of experiments that can be performed at this pioneering facility.

The next step toward practical light sources is to excite the well with electrons rather than laser light.

The project's goal was to improve tungsten production processes for light sources.

Lighting refers to either artificial light sources such as lamps or to natural illumination of interiors from sunlight.

Isamu Akasaki, Hiroshi Amano and Shuji Nakamura were awarded the Nobel Prize in Physics for «the invention of efficient blue light - emitting diodes, which has enabled bright and energy - saving white light sources.»

By subtracting out light from the camera itself, along with that from our solar system, interstellar gas and dust, and, finally, the estimated light from all the stars, galaxies and other light sources from the last 13 billion years or so, the team isolated what it believes is the dawn of light.

The study, funded by the Natural Environment Research Council and UK lighting manufacturer Integral LED, used customised traps at 18 field test sites across south - west England, illuminated by a series of LED, filament and fluorescent light sources.

When these light sources were first made, nonlinear optics began to develop quickly, but even today not all nonlinear optical effects are fully researched.

Basic energy sciences (BES) funds research in chemistry, materials sciences, and condensed matter physics, and supports DOE's synchrotron light sources, neutron sources, and other user facilities.

The team modified a microscope that was able to merge light sources at a range conducive to observing the details of single melanoma cells.

Photosynthesis uses light energy to turn carbon dioxide and water into sugar, so plants need to detect light sources to get food.

This special issue addresses modern developments in controlling and manipulating light: how light - based technologies are shrinking and becoming faster (Koenderink et al., p. 516); how recent theoretical developments in the manipulation of light are being implemented to provide materials with properties not available in nature (Pendry et al., p. 521); how the quantum properties of light are being exploited in new technologies (Walmsley, p. 525); and how new light sources are coming online that can probe the structure of matter on spatial and time scales that provide an exquisitely detailed picture of our microscopic world (Miao et al., p. 530).

Another culprit might be active galactic nuclei (AGN), which are blazingly strong light sources powered by black holes.

They placed small (1 to 2 feet wide) starshades midway between a telescope mounted on a tripod and five light sources (LEDs) lined up 2 kilometers away.

Cosmology is similar: Because light travels at a finite speed, looking at distant light sources is literally looking back in time.

You can easily disrupt this process by exposing yourself to artificial light sources in the evening — especially sources of blue light (Wahnschaffe et al 2013).

The unnatural light sources from these can affect your ability to drift back to sleep during the night.

Many game rooms tend to be converted basements without access to natural light, so it's important to mimic sunshine with artificial light sources as much as possible to keep the area feeling light and happy.

These light sources have a high blue spectral emission.

Con: Additional Light needed (c - section specific) The bassinet comes with two light sources.

For the Hygge - Professional Are all your light sources addressed?