Scientists obtain ground-breaking measurements using infrared light

Jul 01, 2013 by Mark Ferguson

(Phys.org) —Scientists at the Canadian Light Source (CLS) have obtained high-resolution measurements in the infrared spectrum that could change the way research is conducted using synchrotron light.

CLS Spectroscopist Brant Billinghurst said he and his colleagues were working on methods to produce intense (at the far end of the ) while conducting research on the Far-IR beamline, an experimental station at the CLS.

The research was recently published under the name "Observation of superradiant radiation in the terahertz region" in Physical Review Special Topics - Accelerators and Beams.

Billinghurst said they tried something unusual with the synchrotron that allowed them the first time to make a high-resolution measurement of superradiant .

"For this technique to work, you need a synchrotron, electrons in small bunches, and stable beam. So, it's very specific," said Billinghurst.

Unlike the high-energy photons needed for experiments using X-rays, the techniques used in the infrared region benefit from turning the synchrotron energy way down, to 1.5 GeV, making it possible for the technique to work.

Billinghurst pointed out that the idea for synchrotron superradiance appears in a definitive textbook, Classical Electrodynamics, by physicist John David Jackson, in 1962, but that no one had actually reported high-resolution results until now.

These findings have some interesting implications and could allow for spectroscopy in the Terahertz region at higher resolution than is currently feasible. This discovery could have implications for research at synchrotrons around the world. However, there are a number of technical issues that would have to be solved before this would be possible, said Billighurst.

The infrared spectrum is used for a number of experiments at the CLS, including better understanding of the materials that compose the universe.

Explore further: Cold Atom Laboratory creates atomic dance

More information: Physical Review Special Topics: prst-ab.aps.org/abstract/PRSTAB/v16/i6/e060702

add to favorites email to friend print save as pdf

Related Stories

Scientists develop cheaper, more efficient fuel cells

May 23, 2013

(Phys.org) —Using the Canadian Light Source (CLS) synchrotron, researchers have discovered a way to create cheaper fuel cells by dividing normally expensive platinum metal into nanoparticles (or even single ...

British and Canadian synchrotrons sign agreement

May 31, 2011

Making the power of synchrotron light available to more businesses, building new experimental equipment and developing new capabilities are three of the areas of collaboration in a trans-Atlantic memorandum of understanding ...

Recommended for you

Backpack physics: Smaller hikers carry heavier loads

13 hours ago

Hikers are generally advised that the weight of the packs they carry should correspond to their own size, with smaller individuals carrying lighter loads. Although petite backpackers might appreciate the ...

Extremely high-resolution magnetic resonance imaging

13 hours ago

For the first time, researchers have succeeded to detect a single hydrogen atom using magnetic resonance imaging, which signifies a huge increase in the technology's spatial resolution. In the future, single-atom ...

'Attosecond' science breakthrough

14 hours ago

Scientists from Queen's University Belfast have been involved in a groundbreaking discovery in the area of experimental physics that has implications for understanding how radiotherapy kills cancer cells, among other things.

User comments : 0