Sentences with word «terahertz»

As a result, creating coherent artificial sources of terahertz radiation in order to harness it for human use requires some ingenuity.

Scientists and engineers have only recently begun exploring the potential of terahertz waves, however.

That has researchers thinking about transmitting data on higher - frequency terahertz waves, which have as much as 100 times the data - carrying capacity of microwaves.

«Various possibilities for controlling light in terahertz frequency range.»

Demand for higher bandwidth in wireless communications and depiction for security applications has led to intensified research on systems and components intended for terahertz frequencies.

The discovery made at Vienna University of Technology now opens up the possibility of integrating a light detector for terahertz radiation into a chip.

To the naked eye the images look like an array of identical looking lines, but when viewed with terahertz radiation, the embedded QR code image becomes apparent.

The results are good news for the feasibility of future terahertz wireless data networks, which have the potential to carry many times more data than current networks.

Because the crystal then is agile in transmitting terahertz light at varying frequencies, it could increase the bandwidth of high - speed communication networks and generally enhance high - speed electronics.

Specific high - resolution instruments are based on terahertz quantum - cascade lasers, but operate only at cryogenic temperatures.

This is not only another record for TU Vienna, breaking the one - watt barrier is considered to be an important step for the application of terahertz lasers in a variety of technological fields.

Phiar technology could become a central part of imaging systems such as airport security devices that rely on radiation moving at terahertz speeds to scan passengers for contraband, penetrating materials otherwise opaque to visible or infrared radiation.

As terahertz waves travel down the waveguide, some of the radiation leaks out of the slit.

In the 18 November issue of Nature, physicists Kanglin Wang and Daniel Mittleman of Rice University in Houston, Texas, show that plain stainless steel wires work just fine, with terahertz pulses even traveling down bends in the lines.

The work is important because scientists are just beginning to understand the details of how terahertz data links behave in the elements, Mittleman says.

In recent years, there has been growing interest in developing practical devices based on terahertz technology.

With the help of the two - dimensional material graphene, the first flexible terahertz detector has been developed by researchers at Chalmers.

Nahata's team used terahertz radiation to read the coded information because the wavelengths in this region are best suited for imaging the resolution available from commercial inkjet printers.

By integrating hard - core experimental technologies, such as terahertz spectroscopy, to X-ray absorption and analyses the researchers measured changes in the coupled protein - water motions during enzymatic reaction.

Now, Chalmers researchers Xinxin Yang, Andrei Vorobiev, Andrey Generalov, Michael A. Andersson and Jan Stake have developed the first mechanically flexible and graphene - based terahertz detector in its kind.

But terahertz communication technology is in its infancy.

The researchers also performed several outdoor experiments on terahertz wireless links.

While extremely useful, terahertz spectrum has traditionally remained unexploited despite its usefulness in fields ranging from physics to biology because of the large size and cost of the systems.

Naturally occurring moisture in air absorbs terahertz waves, weakening the signal and sensing capabilities.

These use terahertz rays, which lie between microwaves and infrared radiation on the electromagnetic spectrum.

In optics it could lead to new beam deflectors or filters for terahertz imaging and in acoustics it might be possible to create acoustic barriers that can be optimised depending on the changing nature of the incident sound.

Co-author and BC Professor Krzysztof Kempa added that the 3D NEC materials may enable new research into terahertz optics and unique applications in areas such as metamaterials, pushing beyond the scope of two - dimensional systems that display NEC.

These surface phonon polaritons are analogous to electron oscillations in metals or doped - semiconductors, called plasmons, but offer the benefit of low losses and operation in the infrared to terahertz spectral regions.

Thus, paving the way for flexible terahertz electronics.

Now, the LMU and MPQ researchers have — for the first time — used optically generated terahertz radiation.

The researchers also show that a pair of metal wires can act as terahertz endoscopes.

'' [Our work] demonstrates a new approach for efficient energy conversation from a dc electric field to coherent, high - power and electrically tunable terahertz emission by using hybrid semiconductors,» said Andrii Iurov, a researcher with a dual appointment at the University of New Mexico's Center for High Technology Materials and the City University of New York.

Terahertz generators historically have been bulky, expensive affairs.

Passing terahertz radiation at the correct frequency and polarization through the array allows extraction of information encoded into the conductivity.»

«New approach to microlasers: Technique for «phase locking» arrays of tiny lasers could lead to terahertz security scanners.»

Using computer simulations, they calculated how terahertz waves would interact with cylinders of varying heights and widths.

For the study, Mittleman and his colleagues bounced terahertz waves at four different frequencies off of a variety of objects — mirrors, metal doors, cinderblock walls and others — and measured the bit - error - rate of the data on the wave after the bounces.

The split - ring resonator «atoms,» however, can be placed in exactly the right pattern to lens terahertz light.

Padilla has begun experimenting with custom materials and expects to have a functioning terahertz camera within three years.

The chip with several terahertz quantum - cascade lasers is soldered in the middle of a U-shaped contact pad with attached electrical leads.

Star Tiger aims to produce a compact colour terahertz imager using state - of - the - art micromachining technology.

Researchers at Tohoku University have found a way to make covered or hidden PC steel wires visible, by developing a new terahertz wave light source featuring both light and radio - wave characteristics.

Until recently, the range was rarely studied and few sources existed for microwave energy at the high end of the band (sub-millimeter waves or so - called terahertz waves), but applications such as imaging and communications are now appearing.

Scientists are also looking to apply Terahertz technology in the armed forces, where high frequency waves might be directed at enemy troops to incapacitate their electronic equipment.

They've developed what they believe to be the first system for multiplexing terahertz waves.

[1] Gyrotron: A device capable of generating high - power terahertz radiation.

«If we succeed in building the world's first terahertz imager operating in these frequencies, it would represent a true breakthrough for submillimetre - wave remote sensing from space.

«Toward powerful and compact terahertz spectrometers.»

But now Caltech researchers have succeeded in crafting terahertz - emitting silicon chips that are smaller than a dime using a standard, inexpensive electronics manufacturing technique.