Sentences with phrase «intensity of the light»

«It's a similar process with atoms, which are attracted to regions of high intensity of the light field.»

«The same damage would be caused if an object was exposed to a lower intensity of light for a longer time.»

The researchers were able to precisely characterize the relationship between the geometries of the rotated layers and the wavelength and intensity of the light emitted.

«Our hypothesis was that intensity of the light coming from the bubbles would be different for different frequencies,» Hua says.

«In this work we have achieved non-linear effects at a record - low intensity of light,» says Romuald Houdré.

As the sun moves round the building, it fills the living room with different intensities of light.

This summer, LeBourgeois launched a five - year, $ 2.5 million study funded by the National Institutes of Health, in which her research team goes into the homes of volunteer families, exposes children to varying intensities of light and collects saliva samples to measure changes in melatonin levels and the timing of the biological clock.

«Animal studies have shown that timing and intensity of light exposure is critical for metabolic functioning and weight status.

The next study isn't perfect either, but it shows that the wavelengths emitted and intensity of light between an Ipad, Iphone, and Paperwhite were all very similar, but the core technology is very different.

The sheer intensity of the light in the dark cellar makes it impossible to tell what, or who, lies behind the door.

The muted intensity of light the hues convey do in fact suggest the time just before the sun goes down; one senses a correspondence with nature that has been quietly initiated.

Projects bundled in the second topic aim to improve on the ability of existing tools to predict how much light, or what intensity of light, will reach solar panels.

«These semi-conductor nano - crystals can transfer the highest intensity of light and engineer complex light beams that could be used with a laser to project a holographic image in modern displays,» said Dr Rahmani, a recipient of the Australian Research Council (ARC) Discovery Early Career Researcher Award based at the ANU Research School of Physics and Engineering.

On the day of the photosynthesis activity, students split into groups of four to determine the ideal wavelength and intensity of light for producing chlorophyll.

Since some crystals, like lithium niobate, shuffle around their electrons in response to different intensities of light, an interference pattern can be branded onto a crystal.

A CCD works like this: Light hits a tiny grid of photosensitive silicon cells, each which build a charge proportional to the intensity of the light hitting it.

The major problem with fluorescents is that the intensity of light falls off very rapidly as a function of distance.

With eight dimmable LED lights, the intensity of the light can be changed just by the tap of your finger.

Such eyes are typically roughly spherical, filled with a transparent gel - like substance called the vitreous humour, with a focusing lens and often an iris which regulates the intensity of the light that enters the eye.

The study sample size was small and it used only one intensity of light, 1,000 lux, which is far greater than the intensity of a typical handheld electronic device, she notes.

Color represents the intensity of light emitted by hot gas circling the horizon; red is brightest, blue dimmest.

By manipulating the intensity of light, the scientists could show from the same screen two distinctly different images — one to a viewer's left eye and a second to the right eye.

And if this beam is also focused into a speck with a three millimeter diameter, then we get an intensity of light an order higher than the intensity of light close to the sun's surface, which has a radiation power of about 20 gigawatts a square meter.

Ellis says the intensity of the light suggests that the galaxies are one hundredth or one thousandth the Milky Way's size, with a mass of up to 10 million suns, compared with our galaxy's 10 billion solar masses.

A distinctive dip in the intensity of the light at that wavelength appeared as a result.

If the intensity of the light exceeds a certain threshold, the light itself stimulates the dye to radiate far more intensely, creating a laser.

However, the index of refraction varies with the wavelength of light, too, and can also change with the intensity of the light.

Countries, therefore, need to maintain good standards for measuring everything from length, weight, volume and temperature to force, hardness, electrical resistance, voltage, and the intensity of light.

Her program tracks the intensity of light reflected off an object illuminated from three different directions and uses this information to measure curved surfaces.

Additionally, the jets» precession could explain fluctuations in the intensity of light coming from around black holes, called quasi-periodic oscillations (QPOs).

It can observe large astronomical objects in their entirety in one go, and for each pixel measure the intensity of the light as a function of its colour, or wavelength.

So I returned to school to get my doctorate and studied the effects of different wavelengths and intensities of light on rodents.

The scientists relied on the inverse - square law of physics, which states that the intensity of light drops off according to the square of the distance between the light source and its target.

Degradation of the pigments in a painting depends on a combination of the intensity of light and the time the painting is exposed to it.

Photonics applications rely greatly on what physicists call nonlinear optics — the different way in which materials behave depending on the intensity of light that passes through them.

Several years ago, Wang bought a streak camera, a device that measures variations in the intensity of a light pulse over time.

«The signal detection for our technique is very similar to what is done with stimulated Raman scattering, except that instead of detecting only the intensity of the light, we detect polarization information that tells us if molecules are highly oriented or totally disorganized.»

The authors point to one study that found that when adults and school - age children were exposed to the same amount and intensity of light, the children's melatonin levels fell twice as much.

LEDs also have other benefits compared with the lights currently used (high pressure sodium lights), such as the ability to change the colour of the light, the position of the light source in relation to the plant and the intensity of the light.

In humans and many animals (but few fish), the size of the pupil is controlled by involuntary contraction and dilation of the iris, in order to regulate the intensity of light entering the eye.

Eye - like structures have evolved independently many times in different kinds of animals and algae with varying abilities to detect the intensity of light, its direction, or objects.

And by adjusting the intensity of the light, the action of the compound can be controlled and optimized to kill just the tumor and cancer cells.

«Controlling the intensity of light based on plants» ability to use it efficiently may substantially reduce the energy cost of LED lighting, and contribute to making large - scale controlled environment agriculture more profitable,» van Iersel said.

The light flash is faint and requires specialized electronic light sensors (photomultiplier tubes) that can detect the intensity of the light and its time structure.

However, photographs only record the intensity of light while holograms also capture the phase of light, which is why holograms appear three - dimensional.

«And by measuring the intensity of the light, we can also assess the potency of the chemical to activate this pathway.

«Plants are sensitive not just to the intensity of light but also to color.

Third generation synchrotron light sources are designed with long straight sections to house insertion devices (wigglers or undulators) to optimise the intensity of the light produced.