Glasses containing metallic nanoparticles exhibit very promising
linear and nonlinear optical properties, mainly due to the surface
plasmon resonances (SPRs) of the nanoparticles. The spectral
position in the visible and near-infrared range and polarization
dependence of the SPR arecharacteristically determined by the
nanoparticles shapes.
The focus of "Ultra-Short Pulsed Laser Engineered Metal-Glass
Nanocomposites" is the interaction of intense ultra-short laser
pulses with glass containing silver nanoparticles embedded in
soda-lime glass, and nanostructural modifications in metal-glass
nanocomposites induced by such laser pulses. In order to provide a
comprehensive physical picture of the processes leading to
laser-induced persistent shape transformation of the nanoparticles,
series of experimental results investigating the dependences of
laser assisted shape modifications of nanoparticles with laser
pulse intensity, excitation wavelength, temperature are considered.
In addition, the resulting local optical dichroism allows producing
very flexibly polarizing optical (sub-) microstructures with
well-specified optical properties. The achieved considerable
progress towards technological application of this technique, in
particular also for long-term optical data storage, is also
discussed.
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