At its most basic level, a random laser is precisely what its name implies; random. It's random in the spectrum of light it produces and in the way that light is emitted, making what could be an extremely versatile laser ...
Optics & Photonics
Oct 27, 2017
1
267
X-rays interact weakly with matter. This is their greatest strength for many applications, but also a fundamental weakness for others. In particular the fields of nonlinear optics and quantum optics, mainstays for both fundamental ...
Optics & Photonics
Oct 26, 2017
0
7
A large-scale genetic and modelling study of Streptococcus pneumoniae has provided new insight into how recently-introduced vaccines have eliminated many strains from the species, and the diverse ways in which the remaining ...
Ecology
Oct 18, 2017
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16
Researchers at ETH Zurich have developed a miniature device capable of producing laser-like beams of a particular kind of electromagnetic wave called a surface plasmon. Surface plasmons can be focused much more tightly than ...
Optics & Photonics
Oct 17, 2017
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5
Scientists at the National Institute of Standards and Technology (NIST) have developed the first miniature laser in which the light is guided along the floor of an open metallic trench. The laser could act as a nanoscale ...
Optics & Photonics
Oct 13, 2017
1
335
Researchers have demonstrated the first laser cavity that can confine and propagate light in any shape imaginable, even pathways with sharp bends and angles. The new cavity, called a topological cavity, could enable laser ...
Optics & Photonics
Oct 12, 2017
0
156
Controlling and manipulating the interaction of light with nanostructures offers the promise of new and innovative technological applications ranging from nanolasers and sensors to quantum computing. However, in spite of ...
Optics & Photonics
Sep 27, 2017
0
2
Since the realization of the first laser cavity countless questions have been asked for which laser light has provided the answer. Numerous questions have also been posed in an effort to improve on our abilities to produce ...
Optics & Photonics
Aug 29, 2017
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9
An ice cold drink is refreshing in the summer, but for people with sensitive teeth, it can cause a painful jolt in the mouth. This condition can be treated, but many current approaches don't last long. Now researchers report ...
Biochemistry
Aug 2, 2017
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2
Nesting in cavities provides birds with some protection from predators—but it isn't foolproof. A new study from The Auk: Ornithological Advances explores how Poland's cavity-nesting Marsh Tits deal with predator attacks ...
Plants & Animals
Jul 12, 2017
0
2
