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Optical polarization vortex generation by means of a liquid cristal microdisplay
Current liquid crystal technology allows the production of microdisplays (LCD, Liquid Crystal Displays), with a typical size of 1 or 2 square centimetres, and with resolutions in the order of 1000x1000 pixels. These...
Restoration of noisy images
If there is noise, we can’t understand what we hear. In the same way, a noisy image can make it very difficult for us to recognise what we are seeing. Fortunately, techniques exist to restore noisy images so that they can be seen perfectly clearly. In this article a new restoration technique is...
New polyfluorinated liquid crystals
Presently, liquid crystals are compounds of great interest due to their applications mainly in the fields of electronics and optics (displays). Molecules that form them must show thermal, chemical and photochemical stability. Moreover, these compounds must exhibit liquid crystal behaviour for a...
Study of electron transport at the nanoscale
Quantum Mechanics describes with precision the behavior of the nanoscopic world, but we can only solve its equations for very simple systems, consisting of just two or three particles. Researchers from the UAB have developed a new method for calculating the behavior of many particle...
