May 03, 2017 04:21 AM EDT
New-generation researchers have recently boasted various ways to convert light into energy. Perhaps, this innovative finding is a special one among all these.
Based on the recent report by a team of researchers belonging from SPIE, the international society for optics and photonics, an individual can easily harvest energy from light. This results in generating high-resolution images by just replacing the phosphor based screen with a luminescent solar concentrator (LSC), in a laser phosphor display (LPD). The findings were recently published in the Journal of Photonics for Energy, titled as "Energy-harvesting laser phosphor display and its design considerations."
According to Eurekalert, Ichiro Fujieda and his co-researchers at Ritsumeikan University examined the fact by fabricating a screen ranging to 95 × 95 × 10 mm. For this step, they utilized a thin layer of coumarin 6 which was covered in both surfaces with two transparent plates, which stimulated the photoluminescent (PL) photons to move alternate edges. The light sources were removed to a DMD-based projector. In the process, green images were generated after a sort of blue laser beam was fixed into its optics.
Phys.org reported that a photodiode was also attached to a certain portion of the sensitive region at the bottom edge. In the process, it was revealed that fully covered photoluminescent photons can harvest up to 71 percent of the incoming optical energy. However, a ghost image resembling the photoluminescent (PL) photons could also be witnessed in this process. The ghost image is said to be a reflection of the PL Photons interface between the rear plate and the outside environment.
This is a great extent of energy creation from light. The reflection of the ghost image can be eliminated by the reduction of the thickness of the rear surface. Loucas Tsakalakos, an associate editor of 'Journal of Photonics for Energy' regarded this finding as "a unique and novel application of a luminescent solar concentrator for display applications."
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