Little is known about the heaviest, radioactive elements in Mendeleev's table. But an extremely sensitive technique involving laser light and gas jets makes it possible for the very first time to gain insight into their atomic ...
General Physics
Feb 22, 2017
1
1334
A group of scientists from TU Wien and ETH Zurich have succeeded in their attempts to generate ultrashort terahertz light pulses. With lengths of just a few picoseconds, these pulses are ideally suited to spectroscopic applications ...
Optics & Photonics
Feb 13, 2017
0
2061
Invisible to the human eye, terahertz electromagnetic waves can "see through" everything from fog and clouds to wood and masonry—an attribute that holds great promise for astrophysics research, detecting concealed explosives ...
Optics & Photonics
Nov 15, 2016
0
11
As humans, we sniff out different scents and aromas using chemical receptors in our noses. In technological gas detection, however, there are a whole host of other methods available. One such method is to use infrared lasers, ...
Optics & Photonics
Oct 24, 2016
0
504
It is known that the human body can generate mechanical vibrations at very low frequencies, so-called infrasonic waves. Such low-frequency vibrations are produced by physiological processes—heartbeats, respiratory movements, ...
General Physics
Oct 12, 2016
0
24
Creating Terahertz radiation isn't easy, but it is extremely useful. It can, for example, be used for building chemical sensors to detect certain substances. For this purpose, however, the Terahertz light has to fulfil two ...
Optics & Photonics
Sep 30, 2016
0
13
According to researcher Alexander Potylitsyn, head of the Department of Applied Physics at TPU, X-ray and laser radiation are commonly used in modern medicine, but separately from each other. X-rays allow doctors to superficially ...
General Physics
Aug 16, 2016
0
17
Researchers have nearly doubled the continuous output power of a type of laser, called a terahertz quantum cascade laser, with potential applications in medical imaging, airport security and more. Increasing the continuous ...
Optics & Photonics
Jul 26, 2016
1
67
An effective and less expensive tool for the inspection of food and drugs could soon be a reality. Scientists from the Fritz Haber Institute of the Max Planck Society in Berlin have been working with national and international ...
Optics & Photonics
Jun 17, 2016
0
20
Terahertz radiation—the band of electromagnetic radiation between microwaves and visible light—has promising applications in security and medical diagnostics, but such devices will require the development of compact, ...
Optics & Photonics
Jun 13, 2016
0
1396
