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14th International Conference on Group IV Photonics
14th International Conference Group IV Photonics
2017/7/17
The Group IV Photonics Conference (GFP 2017), now in its 14th year, delivers insights on current and future innovations in Group IV element-based photonic materials and devices, including silicon phot...
Group blazes path to efficient,eco-friendly deep-ultraviolet LED
Group eco-friendly deep-ultraviolet LED
2017/3/14
The darkest form of ultraviolet light, known as UV-C, is unique because of its reputation as a killer – of harmful organisms.With wavelengths of between 200 and 280 nanometers, this particular form of...
Negative Group Velocity and Spin-Flip in Microwave Adaptors
Negative Group Velocity and Spin-Flip Microwave Adaptors Optics
2012/5/28
A Fabry-Perot like interferometer with two microwaveguide adaptors as reflectors creates a passive dielectric medium with a negative group delay time due to polarization shift. A rotational strain of ...
Breakdown of the photon lifetime concept in optical cavities with negative group delay
the photon lifetime optical cavities negative group delay
2011/8/18
Abstract: The concept of photon lifetime in a cavity is shown to be non-relevant in the case where the cavity round-trip group delay is negative due to the presence of a strong intracavity negative di...
European grants put Aston photonics group on a stronger wavelength
Photonics optical fibres
2007/3/20
14 March 2007，In one of the projects, experts at Aston's Photonics Research Group will use ultraviolet laser radiation to create sensing devices known as fibre Bragg gratings inside plastic optical fi...