Sentences with phrase «of a specific wavelength at»

Not exact matches

Mirrors at the ends of each arm form a long «resonant cavity,» in which laser light of a precise wavelength bounces back and forth, resonating just as sound of a specific pitch rings in an organ pipe.

The team used that calibration data to detect the signature of vinyl cyanide at specific wavelengths of light and calculate its abundance.

The young chemist did not know why the resulting color was so vivid; the ability of molecules to absorb photons at specific wavelengths based on the structure of their shared electron bonds would not be worked out for another fifty years.

When the fluorescent molecules are excited, a sphere rings with light of specific wavelengths, just as an organ pipe rings with sound at a fundamental frequency and its overtones.

The researchers sent 16 different twisted configurations of a specific wavelength of light to a receiver 3 km away at the University of Vienna.

At Argonne National Laboratory outside Chicago, the researchers bounced a highly focused X-ray of a specific wavelength off the crystal.

The radius was then calculated using the specific frequencies at which the wavelength of microwaves exactly fit into the resonator and was measured with an overall uncertainty of 11.7 nm, which is the thickness of about 600 atoms.

Their setup, which is specific to the type of explosive being investigated, employs a two - color imaging pyrometer, which consists of two monochrome cameras filtered at 700 nanometers and 900 nanometers, and a full - color single pyrometer that achieves wavelength resolution with a Bayer - type mask covering the sensor chip.

To prove their concept of this multiplex spectral microgel analysis within a microfluidic flow, the team used «different barcodes corresponding to different emissions at specific wavelengths and the fluorescence intensity of known microRNA concentration,» which was measured for calibrations of the specific microRNA being explored.

The possibility of such cells has been debated at least since the 1950s, when researchers found single neurons in the visual cortex of cats and other animals that respond to simple stimuli, such as lines oriented at a certain angle or moving in a specific direction, or light of a particular wavelength.

Various elements emit light at specific EUV and X-ray wavelengths depending on their temperature, so by observing in several different wavelengths, a picture of the complete temperature structure of the corona can be made.

Three of these cameras record infrared light at 1, 2, and 10 microns, wavelengths that probe specific altitudes and can reveal the surface.

Because of quantum effects, they absorb and emit light at specific wavelengths.

Many cover only specific parts of the electromagnetic spectrum, and astronomical objects and phenomena usually need to be observed at various wavelengths, requiring a wide variety of instruments.

Right panel: The ratio of observed - to - true transit depths at a handful of specific wavelengths where molecular absorption features appear.

Natural astronomical masers — the analog of laser emission at microwave wavelengths — are one class of coherent sources, but these emit in specific wavelengths.

Minor components of the gas, such as sodium and calcium, absorb light at specific wavelengths, and they thus cause the appearance of absorption lines in the spectra of the stars that lie beyond the gas.

The wavelengths of each hydrogen feature showed the presence of gas at a specific distance from us.

MOSFIRE is a type of instrument known as a «spectrograph,» which spreads the light from astronomical objects out into a spectrum of separate wavelengths (colors), indicating the specific amount of energy emitted at each wavelength.

That first quasar and others identified later puzzled astronomers because, when their light was analyzed to find the characteristic «signature» of emission at specific wavelengths shown by particular atoms, the pattern was at first indecipherable.

Light at certain specific wavelengths can be produced by gas molecules in these galaxies, and the wavelengths are stretched by the expansion of the Universe over the billions of years that it takes the light to reach us.

Other useful properties of synchrotron light are: - high energy beams to penetrate deeper into matter - small wavelengths permit the studying of tiny features, e.g. bonds in molecules; nanoscale objects - synchrotron beams can be coherent and / or polarised, permitting specific experiments - the synchrotron beam can be made to flash at a very high frequency, giving the light a time structure.

Several very recent studies, most notably research from a team headed by Dr. George Brainard at Thomas Jefferson Medical College in Philadelphia, have identified the specific wavelengths of blue light, 446 - 477 nm that are crucial in suppressing melatonin production in humans.

Cold laser therapy — also known as low level laser therapy — is a state - of - the - art technology that delivers light of a very specific wavelength into tissue to reduce pain and inflammation and to promote healing at the cellular level.

Laser surgery uses a beam of light energy at a specific wavelength.

In short, it is a device that generates a beam of light energy at a specific wavelength.

This laser emits non-thermal photons of light at a specific wavelength deep into bones and muscle tissues.

A molecule that absorbs a photon at a specific wavelength absorbs a specific quanta of energy and releases the same amount on emission — the quantum effect.

I also have an image of the thermal radiation coming up through the atmosphere at other wavelengths specific to water vapor.

For absolute proof read up on CO2 lasers there you deliberately pump CO2 with energy to get a specific wavelength of light emitted at 10,600 nm which is mid-IR.

Carbon dioxide traps specific wavelengths of heat energy, and satellite and surface measurements show that in recent decades, less heat at those specific wavelengths is escaping to space.

Greenhouse Gas (GHG)- Geenhouse gases are those gaseous constituents of the atmosphere, both natural and anthropogenic, that absorb and emit radiation at specific wavelengths within the spectrum of thermal infrared radiation emitted by the Earth's surface, the atmosphere itself, and by clouds.

Incidentally, I may be wrong but, I get the impression that some posters believe that there are two types of radiation: radiation at specific wavelengths and blackbody radiation.

Increased absorption in the atmosphere lowers the emissions at some specific wavelengths — those wavelengths where the optical depth of the atmosphere is not very small or firmly very close to one, but somewhere between these extremes.

The CO2 (or other GHG molecule) certainly absorbs specific LWIR energies, according to the energy levels of its excited molecular states;» BUT» in the lower atmosphere it NEVER (hardly ever) has enough time to re-radiate that absorbed Photon, at the same energy and frequency (wavelength).