Ultra-short pulse lasers, generating coherent light pulses with pulse durations in the
picosecond and femtosecond range, are becoming popular in precision laser …

Needle beams are highly attractive for applications which take advantage from a spatial and
temporal localization of photons. High intensities, high resolution and extended depth of …

Laser cutting of semiconductor wafers and transparent dielectrics has become a dominant
process in manufacturing industries, encompassing a wide range of applications from …

The modification of transparent materials is enabled by focused ultrashort laser pulses.
Single pass processing up to several millimeters can be achieved by the usage of elongated …

Ultrafast laser pulses spatially shaped as Bessel beams in dielectrics create high aspect
ratio plasma channels whose relaxation can lead to the formation of nanochannels. We …

With the development of industrial lasers and novel glass processing techniques, which offer
high speed, quality and precision, this becomes an attractive alternative to conventional …

Bessel beam femtosecond lasers being non-diffractive are well-suited for drilling high aspect
ratio microholes with minor thermal impact. Hereby, the Bessel beams with different non …

Controlling the formation of high aspect ratio void channels inside glass is important for
applications like the high-speed dicing of glass. Here, we investigate void formation using …

We introduce the fabrication and use of microcracks embedded in glass as an optical
element for manipulating light propagation, in particular for enhancing waveguide …

In recent decades, significant progress has been made in the field of laser beam shaping,
driven by the growing demands in both scientific research and industrial applications …