In‐Volume Laser Direct Writing of Silicon—Challenges and Opportunities
Laser direct writing is a widely employed technique for 3D, contactless, and fast
functionalization of dielectrics. Its success mainly originates from the utilization of ultrashort …
functionalization of dielectrics. Its success mainly originates from the utilization of ultrashort …
Ultrafast laser micro-and nano-processing with nondiffracting and curved beams: invited paper for the section: hot topics in ultrafast lasers
Ultrafast laser materials processing has undergone an important change with the
development of non-diffracting beams. These beams enable overcoming many of the …
development of non-diffracting beams. These beams enable overcoming many of the …
Improved laser glass cutting by spatio-temporal control of energy deposition using bursts of femtosecond pulses
K Mishchik, R Beuton, OD Caulier, S Skupin… - Optics …, 2017 - opg.optica.org
We demonstrate the advantage of combining non-diffractive beam shapes and femtosecond
bursts for volume laser processing of transparent materials. By re-distribution of the single …
bursts for volume laser processing of transparent materials. By re-distribution of the single …
Ultrafast Bessel beams: advanced tools for laser materials processing
Ultrafast Bessel beams demonstrate a significant capacity of structuring transparent
materials with a high degree of accuracy and exceptional aspect ratio. The ability to localize …
materials with a high degree of accuracy and exceptional aspect ratio. The ability to localize …
Volume photoinscription of glasses: three-dimensional micro-and nanostructuring with ultrashort laser pulses
R Stoian - Applied Physics A, 2020 - Springer
Ultrafast laser photoinscription of optical materials has seen a strong development in the
recent years for a range of applications in integrated photonics. Fueled by its capability to …
recent years for a range of applications in integrated photonics. Fueled by its capability to …
High aspect ratio micro-explosions in the bulk of sapphire generated by femtosecond Bessel beams
Femtosecond pulses provide an extreme degree of confinement of light matter-interactions
in high-bandgap materials because of the nonlinear nature of ionization. It was recognized …
in high-bandgap materials because of the nonlinear nature of ionization. It was recognized …
Tubular filamentation for laser material processing
An open challenge in the important field of femtosecond laser material processing is the
controlled internal structuring of dielectric materials. Although the availability of high energy …
controlled internal structuring of dielectric materials. Although the availability of high energy …
Millijoule femtosecond micro-Bessel beams for ultra-high aspect ratio machining
We report on a functional experimental design for Bessel beam generation capable of
handling high-energy ultrashort pulses (up to 1.2 mJ per pulse of 50 fs duration). This allows …
handling high-energy ultrashort pulses (up to 1.2 mJ per pulse of 50 fs duration). This allows …
Glass dicing with elliptical Bessel beam
In this paper the possibility to optimize the glass dicing process by controlling the axicon-
generated Bessel beam ellipticity is presented. Single-shot intra-volume modifications in …
generated Bessel beam ellipticity is presented. Single-shot intra-volume modifications in …
Super-efficient drilling of metals with ultrafast non diffractive laser beams
A highly efficient drilling process is found in non-transparent metallic materials enabled by
the use of non-diffractive ultrafast Bessel beams. Applied for deep drilling through a 200 μm …
the use of non-diffractive ultrafast Bessel beams. Applied for deep drilling through a 200 μm …