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Terahertz in Medical News

New T-ray Source Could Improve Airport Security, Cancer Detection

...o portable, battery-operated sources of T-rays, or terahertz radiation. By doing so, the researchers, led by Ul...ke radio waves or visible light, people exposed to terahertz radiation will suffer no ill effects. Furthermore, although terahertz radiation does not penetrate through metals and wa...

Terahertz Imaging Promises To Revolutionize Breast Cancer Treatments

...plored region of the electromagnetic spectrum--the terahertz region--to examine excised breast tissue and deter...es to get clear surgical margins. We found that terahertz light could reliably distinguish between normal br...have to be scheduled. For the first time, however, terahertz imaging has the potential to eliminate the need fo...

T-waves to sweep over imaging technology

...aled envelope and detect tumors without harmful radiation. T-rays are opening the door to a wide variety of // applications and are based on the terahertz (THz) region of the electromagnetic spectrum -- defined by frequencies from 0.1 to 10 THz, just between infrared light and microwave radiation. T...
Terahertz in Medical Technology

One Step Closer: Novel Opioid Receptor Compound in Phase I Clinical Trials

...sed upon technology developed by university faculty, students, and researchers. Discoveries in nanotechnology, electronics, energy, biotechnology, and terahertz are all part of the Institute's expanding intellectual property portfolio and reflect Rensselaer's aggressive, expanding research initiative. The...
Terahertz in Biological News

Checking people at airports -- with terahertz radiation

This press release is available in German . Within the last few years the number of transport checks above all at airports has been increased considerably. A worthwhile effort as, after all, it concerns the protection of passengers. Possibilities for new and safe methods of transport chec...

Prototype terahertz imager promises biochem advances

Researchers at the National Institute of Standards and Technology (NIST) have demonstrated a new imaging system that detects naturally occurring terahertz radiation with unprecedented sensitivity and resolution. The technology may become a new tool chemical and biochemical analyses ranging from ea...

Healing wounds with lasers, vehicles that drive themselves, other cutting-edge optics

...olution Commercial Satellite More Quiet Mirrors terahertz Modulators World's Highest-Resolution Projector ...ion CWI1; Wednesday, June 3, 4:45 5:15 p.m. terahertz MODULATORS Scientists have for the first time ...devised a multi-pixel modulator for light waves at terahertz (THz, or 10^12 Hz) frequencies. The formal study o...

Tension in the nanoworld

...s use of extreme light concentration at the sharp tip of an Atomic Force Microscope (AFM), yielding nanoscale resolved images at visible, infrared and terahertz frequencies. The s-SNOM thus breaks the diffraction barrier throughout the electromagnetic spectrum and with its 20 nm resolving power matches the nee...

Keeping an eye on the surroundings

...ity in Bochum (Germany) used a spectroscopic technique called KITA (kinetic terahertz absorption) to make their observations. terahertz (THz) radiation consists of electromagnetic waves in the submillimeter rang...

Water is 'designer fluid' that helps proteins change shape, scientists say

...n of water molecules during the folding process." Using a technique called terahertz absorption spectroscopy, Gruebele and his collaborator Martina Havenith at ...ly 23 in the online version of the chemistry journal Angewandte Chemie . terahertz spectroscopy provides a window on protein-water rearrangements during the f...

How to make microwaves on a chip to replace X-rays for medical imaging and security

...ve radiation the nondestructive imaging technology of the future? Microwaves with frequencies from a few hundred gigahertz (GHz) up to slightly over 1 terahertz (THz), penetrate just a short distance into surfaces without the ionizing damage caused by X-rays. The technology could be used to detect skin cancer ...

Researchers bridge the 'terahertz gap' with new tunable metamaterial

...tuned over a range of frequencies in the so-called terahertz gap has been engineered by a team of researchers f...al and semiconductor that allowed the team to tune terahertz resonance across a range of frequencies in the far...eneration device achieved 20 percent tuning of the terahertz resonance to lower frequencies those in the far-i...

T-ray breakthrough could make detecting disease far easier

...gh in the harnessing of 'T-rays' - electromagnetic terahertz waves - which could dramatically improve the dete... said they have found a way to control the flow of terahertz radiation down a metal wire. Their findings are se...he current journal Physical Review Letters. terahertz radiation, whose frequency is around one thousand ...

Terahertz imaging may reduce breast cancer surgeries

...plored region of the electromagnetic spectrum--the terahertz region--to examine excised breast tissue and deter...s to get clear surgical margins. "We found that terahertz light could reliably distinguish between normal br...have to be scheduled. For the first time, however, terahertz imaging has the potential to eliminate the need fo...
Terahertz in Biological Technology

Engineers demonstrate first room-temperature semiconductor source of coherent Terahertz radiation

Cambridge, Mass. -- May 19, 2008 -- Engineers and applied physicists from Harvard University have demonstrated the first room-temperature electrically-pumped semiconductor source of coherent Terahertz (THz) radiation, also known as T-rays. The breakthrough in laser technology, based upon commercia...

Material world: Graphene's versatility promises new applications

...at graphene could eventually supplant silicon as the substance of choice for computer chips, offering the prospect of ultrafast computers operating at terahertz speeds, rocketing past current gigahertz chip technology. Yet, despite encouraging progress, a thorough understanding of graphene's electronic propert...

Scientists demonstrate laser with controlled polarization

...ompact solution is applicable to semiconductor lasers and other solid-state lasers, all the way from communication wavelengths to the mid-infrared and terahertz spectrum". Light sources with a desirable polarization state are useful for a wide variety of applications. For example, satellite communications u...

Team develops new metamaterial device

...nction as a state-of-the-art device in the complex terahertz range of the electromagnetic spectrum, setting a s...c split-ring resonators controlled the phase of a terahertz (THz) beam 30 times faster and with far greater pr... marks a milestone in the use of metamaterials and terahertz radiation, a safe, non-ionizing frequency that is ...

Engineers tune a nanoscale grating structure to trap and release a variety of light waves

...er engineering, made a major contribution to this effort last year when they developed a graded metal grating structure capable of slowing or stopping terahertz (THz) light waves. The achievement, said Bartoli, "opened a door to the control of light waves on a chip" that could help reduce the size of optical s...

Using a grating with a grade, engineers trap a rainbow

...g. Bartoli is Gan's adviser, while Ding advises Fu. The structure developed by his team, says Gan, has the unique ability to arrest the progress of terahertz (THz) light waves at multiple locations on the structure's surface and also at different frequencies. "Previous researchers have reported the abili...

Stanford researchers hear the sound of quantum drums

...ce the point, they created a video, complete with two quantum drums beating with the same sound. (The real "sound" is at ultra-high frequencies in the terahertz range; in the video, the sound has been converted to the range of human hearing.) The practical value of having two different nanostructures with i...

Researchers at Leeds mine the 'Terahertz gap'

...explored area of the electromagnetic spectrum, the terahertz region. The combined expertise at Leeds will fu... revealed or even changed using radiation from the terahertz region of the spectrum. If we want to continue to...aves are now second nature in modern life. But the terahertz region, often called the...
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