Nanofabrication with Pulsed Lasers

An overview of pulsed laser-assisted methods for nanofabrication, which are currently developed in our Institute (LP3), is presented. The methods compass a variety of possibilities for material nanostructuring offered by laser–matter interactions and imply either the nanostructuring of the laser-illuminated surface itself, as in cases of direct laser ablation or laser plasma-assisted treatment of semiconductors to form light-absorbing and light-emitting nano-architectures, as well as periodic nanoarrays, or laser-assisted production of nanoclusters and their controlled growth in gaseous or liquid medium to form nanostructured films or colloidal nanoparticles. Nanomaterials synthesized by laser-assisted methods have a variety of unique properties, not reproducible by any other route, and are of importance for photovoltaics, optoelectronics, biological sensing, imaging and therapeutics

Laser-Induced Dissociation of Monomers and Dimers of Bromine

In recent years various aspects of laser-induced processes in molecules have been studied. In our laboratory we used photofragrnent spectroscopy in order to probe excited states of bromine. The crossed laser and molecular beams experiment is described. The results on the monomer dissociation are discussed and compared with previous studies. In addition, the dissociation of dimers has been investigated for the first time using the same technique,and preliminary results are presented