Use of nanoparticle for improving laser performance
8 June 2009”Scattering light through tailor made nanoparticle can significantly improve the laser performance” is the outcome of latest research carried out by researchers at Madrid.
Researchers at Instituto de Ciencia y Technologia de Polimeros, Madrid and at the Instituto de Quimica – Fisica, Rocasolano found that the laser get scattered in such a way so that it enhances the laser action. Lasers uses dyes that can choosen from over a broad visible wavelength and these lasers can be used for various applications. Present day lasers are also used for medical applications including cancer therapies and for environmental applications including pollution control.
The researchers however claimed that to get the enhanced emission, the inorganic material should have small enough and evenly distributed in such a way so that its transparency is not affected. Researchers used a nanoparticle known as polyhedral oligomeric silsesquioxane (POSS), a silicon and oxygen based material that can suitably be fixed in an organic material.
These POSS nanoparticles play a significant role in the organic matrix. These nanoparticles scatters the light emitted by dye weakly thereby extending the path of the light inside the material, which will ultimately provide the extra output.
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