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Ultrashort light pulses create self-assembled sub-wavelength structures in the bulk of silica glass. Recent progress in applications of this phenomenon ranging from polarization and vortex converters to 5D optical data storage is reviewed.
The Femtoprint project uses femtosecond lasers to develop a printer for micro-/nano-scale systems. Femtoprint provides a large community of users with the capability of producing their own micro-systems, in a rapid-manner without the need for expensive infrastructures and specific expertise.
Femtosecond laser writing in glass is controlled by the polarization plane azimuth and intensity front tilt of light pulse. Polarization dependent distribution of extraordinary modifications along the light propagation direction is observed.
We demonstrate how femtosecond laser writing can challenge common beliefs in optics. Recently discovered phenomena of quill writing related to self-assembled nanostructuring in glasses and non-reciprocal laser writing in crystals are reviewed.
Anisotropic sensitivity of isotropic medium to femtosecond laser radiation is observed. The phenomenon is explained by unusual anisotropy at the interface produced by ultrashort light pulses with tilted front and referred as ultrafast light blade.
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