News tagged with propagation

Tracing the light inside an LED

The performance of white LEDs can be improved, based on better knowledge of the absorption and scattering of light inside the LED. A new method, developed by the University of Twente in The Netherlands and Philips Lighting, ...

dateSep 14, 2017 in Optics & Photonics
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Real-time imaging of cell components including DNA

Optical microscopes that use lenses to bounce photons off objects have trouble distinguishing nanometer-scale objects smaller than the imaging beam's wavelength, such as proteins and DNA. An innovative 'hyperlens' designed ...

dateFeb 22, 2017 in Nanophysics
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Varnish affects the sound of a violin

Varnishes protect works of art and wooden instruments from environmental damage. However, until recently, little research had been carried out into the effects of varnish on the sound of violins. Empa researchers have now ...

dateMar 17, 2016 in Materials Science
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