Sentences with phrase «visible spectrum»

Focusing the entire visible spectrum and white light — combination of all the colors of the spectrum — is so challenging because each wavelength moves through materials at different speeds.

This way, I would get the benefit of the deeper penetration of the higher wavelength and the cellular «charging» of the lower visible spectrum.

These probably won't go away entirely, but a car that doesn't «see» on the same visible spectrum of light as humans won't really need to illuminate the road.

The result is a display whose whites are a bit more yellow and whose remaining visible spectrum isn't quite as bright.

Did you figure out that adding a trace amount of black pigment to white paint alters its albedo in visible spectrum causing it to absorb and thermalize more visible light?

It blends thermal and visible spectra for great detail and high resolution.

Silicon holograms harness the full visible spectrum to bring holographic projections one step closer.

There are SETI experiments searching for flashing lights, whether visible spectrum or longer - traveling infrared, Shostak said.

And, ultimately, we had Jeremy's slim white wife and Lavelle's curvy, black, earth - mother to provide a metaphorical and visible spectrum against which we could measure the authenticity of Jeremy's blackness or lack thereof.

In Sans Soleil (Diffracted), I have removed the audio from the original film, and literally broken down its image into a projected visible spectrum as seen through a peephole.

Now a team of researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) has developed the first single lens that can focus the entire visible spectrum of light — including white light — in the same spot and in high resolution.

The composite material photoluminesced with almost the full visible spectrum.

That Energy that is surface incident with sufficient Energy and that can interact with Water is only within the lower Visible Spectrum (see slides in *).

They would have to emit electromagnetic radiation in the visible spectrum to be seen by the human eye.

Allows examining food products using light beyond the visible spectrum, into the near - infrared region.

Both telescopes will be phenomenal tools for discovery, Mather says, and will open «whole new territories in astronomy,» but because they will not observe in ultraviolet or in most of the visible spectrum, they can not be considered true successors or replacements to Hubble.

The S - type cone is maximally sensitive to light in the short - wavelength (blue) part of the visible spectrum, the M - type cone responds best to medium wavelengths, and the L - type to long, reddish wavelengths.

Retinal tissue contains light - sensitive cells that absorb wavelengths in the visible spectrum and convert them into electrical signals.

The team simulated three wavelengths to confirm negative refraction for much of the red portion of the visible spectrum and into infrared wavelengths (Physical Review Letters, in press).

Only the light in the visible spectrum can penetrate into the greenhouse whereas incoming infrared light, which is also known as heat radiation, is blocked by the glass or plastic.

But he notes that the set - up might not work for the entire visible spectrum, because it would be difficult to prevent visible light with shorter wavelengths being absorbed or sent elsewhere, resulting in dark spots.

Recently, a big shift from the visible spectrum to the infrared has been identified and described in the Journal of the American Chemical Society.

But if those aromatic hydrocarbons were treated with an acid to create aniline or another amine, after some additional steps the newly synthesized molecules very efficiently absorbed light particles from specific wavelengths in the visible spectrum.

Q17 Why did Isaac Newton divide the visible spectrum into seven colours?

We can't yet send holographic videos to Obi - Wan Kenobi on our droid, but researchers at Agency for Science, Technology and Research (A * STAR), Singapore, have got us a little bit closer by creating holograms from an array of silicon structures that work throughout the visible spectrum.

Even though X-ray photons carry much more energy than photons in the visible spectrum, the study shows that the way they interact with electrons produces exciton - like behaviour after all.

No other adaptive optics system is faster but even this might not be sufficiently speedy to push far enough into the visible spectrum to allow Magellan's relatively meager mirror to gather Proxima b's light.

They are crystalline powders that absorb energy from blue or near - UV light and emit light in the visible spectrum.

However, Schnick and his team had previously achieved a notable technological breakthrough by synthesizing innovative phosphor materials that allowed the blue light produced by conventional LEDs to be converted into all the colors of the visible spectrum — in particular, those at the red end.

These materials absorb some of the blue light and re-emit the energy at wavelengths corresponding to all the other colors of the visible spectrum from cyan to red.

Rainbows are formed by the refraction of the visible spectrum through drops of water.

She also designed a novel spectroscopic cell that allowed the change in the ultraviolet - visible spectrum of her dye molecules to be observed as they were reduced.

Humans have peak visual sensitivity to the yellow and green parts of the visible spectrum, says George Brainard, a photobiologist at Thomas Jefferson University who was not involve with Falchi's study.

Auroras emit light in colors across the visible spectrum, but just a few dominate, with green being the most common color.

Conventional mirrors contain a silvery layer that reflects a broad range of light, including the entire visible spectrum.

«This technology is potentially revolutionary because it works in the visible spectrum, which means it has the capacity to replace lenses in all kinds of devices, from microscopes to camera, to displays and cell phones,» said Federico Capasso, Robert L. Wallace Professor of Applied Physics and Vinton Hayes Senior Research Fellow in Electrical Engineering and senior author of the paper.

Researchers from the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have demonstrated the first planar lens that works with high efficiency within the visible spectrum of light — covering the whole range of colors from red to blue.

In order to focus red, blue and green light — light in the visible spectrum — the team needed a material that wouldn't absorb or scatter light, said Rob Devlin, a graduate student in the Capasso lab and co-author of the paper.

«Meta - lens works in the visible spectrum, sees smaller than a wavelength of light: High efficiency ultra-thin planar lens could replace heavy, bulky lenses in smart phones, cameras and telescopes.»

«Correcting for chromatic spread over the visible spectrum in an efficient way, with a single flat optical element, was until now out of reach,» said Bernard Kress, Partner Optical Architect at Microsoft, who was not part of the research.

Visible - wavelength supercontinuum lasers, for example, discharge tight columns that appear white because they contain light from across the visible spectrum.

Smith says the design should easily scale down to the visible spectrum, meaning that soon we may see a «bump» of matter seemingly disappear in front of our eyes.

The tail glows brightly in the ultraviolet but produces no light in the visible spectrum, which is why it escaped detection for centuries.

Light: The Visible Spectrum and Beyond by Kimberly Arcand and Megan Watzke Black Dog & Leventhal Publishers, 2015 -LRB-($ 29.99)-RRB-

In this case, they are able to focus light across the visible spectrum.

The collaborative effort found that the quantum dots, which have a unique core - shell design, efficiently produced low - energy photons in the visible spectrum when energized with a beam of electrons.

«Basically, different colors in the visible spectrum will be associated to different energies,» said Mauricio Terrones, professor of physics, chemistry and materials science at Penn State, who led the research.

This reversible dehydration and rehydration, shrinking and swelling, changes the thickness and spacing, which, in turn, changes the wavelength of the light that's reflected, thus «tuning» the color change over the entire visible spectrum.