From visible light to radio waves, most people are familiar with the different sections of the electromagnetic spectrum. But one wavelength is often forgotten, little understood, and, until recently, rarely studied. It's ...
Optics & Photonics
Apr 29, 2016
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1156
A team led by researchers from the National University of Singapore (NUS) has achieved a major breakthrough in magnetic interaction. By adding a special insulator, they make electrons "twirl" their neighbouring "dance partners" ...
General Physics
Apr 5, 2016
0
33
A theoretical study based on computational simulations conducted by the UPV/EHU's Nano-bio Spectroscopy Research Group in collaboration with the Japanese research centre AIST has shown that the intensity of ultraviolet light ...
Nanophysics
Mar 8, 2016
0
6
Researchers at the UCLA Henry Samueli School of Engineering and Applied Science have identified a new way to make a semiconductor laser that operates at terahertz frequencies. The breakthrough could lead to development of ...
General Physics
Dec 18, 2015
0
48
Terahertz frequencies offer the unique feature of displaying things that in other frequency ranges such as the visible, microwave or X-ray, would be impossible. So they are able to image a ceramic weapon or a parcel bomb ...
Optics & Photonics
Aug 7, 2015
0
32
Terahertz radiation, the no-man's land of the electromagnetic spectrum, has long stymied researchers. Optical technologies can finagle light in the shorter-wavelength visible and infrared range, while electromagnetic techniques ...
General Physics
Aug 4, 2015
3
127
Museum curators, art restorers, archaeologists and the broader public will soon be able to learn much more about paintings and other historic objects, thanks to an EU project which has become a pioneer in non-invasive art ...
Analytical Chemistry
May 20, 2015
0
21
Researchers at the University of Rochester's Institute of Optics have shown that a laser-generated microplasma in air can be used as a source of broadband terahertz radiation.
Optics & Photonics
Apr 24, 2015
8
3956
Light can come in many frequencies, only a small fraction of which can be seen by humans. Between the invisible low-frequency radio waves used by cell phones and the high frequencies associated with infrared light lies a ...
General Physics
Apr 22, 2015
0
46
University of Utah engineers have discovered a new approach for designing filters capable of separating different frequencies in the terahertz spectrum, the next generation of communications bandwidth that could allow cellphone ...
General Physics
Feb 27, 2015
1
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