Extremely high-aspect-ratio ultrafast Bessel beam generation and stealth dicing of multi-millimeter thick glass
We report on the development of an ultrafast beam shaper capable of generating Bessel
beams of high cone angle that maintain a high intensity hot spot with subwavelength …
beams of high cone angle that maintain a high intensity hot spot with subwavelength …
In-depth comparison of conventional glass cutting technologies with laser-based methods by volumetric scribing using Bessel beam and rear-side machining
J Dudutis, J Pipiras, R Stonys, E Daknys… - Optics …, 2020 - opg.optica.org
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 …
high speed, quality and precision, this becomes an attractive alternative to conventional …
One-step femtosecond laser stealth dicing of quartz
We report on a one-step method for cutting 250-µm-thick quartz plates using highly focused
ultrashort laser pulses with a duration of 200 fs and a wavelength of 1030 nm. We show that …
ultrashort laser pulses with a duration of 200 fs and a wavelength of 1030 nm. We show that …
Single-pass cutting of glass with a curved edge using ultrafast curving bessel beams and oblong airy beams
Single-pass cutting of glass substrates with a curved edge is demonstrated using ultrafast
curving Bessel and Airy beams, and the advantages of each beam are considered. To …
curving Bessel and Airy beams, and the advantages of each beam are considered. To …
Ultrafast laser processing of glass waveguide substrates for multi-fiber connectivity in co-packaged optics
JR Grenier, L Brusberg, KA Wieland… - Advanced Optical …, 2023 - frontiersin.org
High bandwidth demanding applications such as high-performance computing and
hyperscale datacenters are drivers for co-packaged optics, which aims to bring optical …
hyperscale datacenters are drivers for co-packaged optics, which aims to bring optical …
Strength of ultra-thin glass cut by internal scribing using a femtosecond Bessel beam
H Shin, D Kim - Optics & Laser Technology, 2020 - Elsevier
We analyzed a process to cut thin glass by internal scribing and mechanical breaking using
a femtosecond laser Bessel beam. The effect of process parameters on the edge strength of …
a femtosecond laser Bessel beam. The effect of process parameters on the edge strength of …
Using phase-corrected Bessel beams to cut glass substrates with a chamfered edge
C Ungaro, N Kaliteevskiy, P Sterlingov, VV Ivanov… - Applied Optics, 2021 - opg.optica.org
Ultrafast laser cutting of a glass substrate at an oblique angle is demonstrated using a phase-
corrected Bessel beam. Simulations are used to predetermine the ideal phase of the …
corrected Bessel beam. Simulations are used to predetermine the ideal phase of the …
Asymmetric shaping for ultrafast elliptical bessel-like beams
The generation of an elliptical Bessel–Gauss beam has become a topic of interest in
ultrafast laser processing of transparent materials because of its nearly non-diffractive …
ultrafast laser processing of transparent materials because of its nearly non-diffractive …
Transversal and axial modulation of axicon-generated Bessel beams using amplitude and phase masks for glass processing applications
J Dudutis, M Mackevičiūtė, J Pipiras, R Stonys… - Optics …, 2022 - opg.optica.org
The control of laser-induced microcracks in the volume of transparent materials is essential
for scribing processes. In this paper, we investigate the effect of various amplitude and …
for scribing processes. In this paper, we investigate the effect of various amplitude and …
Spatially displaced and superposed Bessel beams for transparent material laser microprocessing
Invariant Bessel–Gauss beams have attracted great interest for transparent material
microprocessing applications. The small central peak and elongated focal region of the …
microprocessing applications. The small central peak and elongated focal region of the …