Nonstandard light for ultrafast laser microstructuring and nanostructuring

F Courvoisier - Ultrafast Laser Nanostructuring: The Pursuit of Extreme …, 2023 - Springer
Ultrashort laser pulses have revolutionized laser-matter interaction because they can
deposit energy at extremely small scales. High-speed and controlled nanostructuring has …

Broadband antireflective subwavelength structures for infrared detection

H Wang, F Zhang, C Wang - Optics & Laser Technology, 2022 - Elsevier
Enhancing infrared window transmittance of zinc sulfide (ZnS) is an effective way to improve
the infrared detection imaging quality. In this study, the antireflective subwavelength …

[HTML][HTML] High throughput direct writing of a mesoscale binary optical element by femtosecond long focal depth beams

Y Yang, E Jia, X Ma, C Xie, B Liu, Y Li… - Light: Advanced …, 2024 - light-am.com
Bessel beams have multiple applications owing to their propagation-invariant properties,
including particle trapping, optical coherence tomography, and material processing …

Enhanced light extraction of light-emitting diodes with micro patterns by femtosecond laser micromachining for visible light communication

F Zhang, C Xu, K Yin, J Duan - Optics Letters, 2020 - opg.optica.org
A significant enhancement of light extraction of light-emitting diodes (LEDs) with micro
patterns has been experimentally investigated. The micro patterns on the surface of a …

Creating an Array of Parallel Vortical Optical Needles

P Šlevas, S Orlov - Photonics, 2024 - mdpi.com
We propose a method for creating parallel Bessel-like vortical optical needles with an
arbitrary axial intensity distribution via the superposition of different cone-angle Bessel …

Generation of extremely high-angle Bessel beams

VV Belloni, L Froehly, C Billet, L Furfaro… - Applied optics, 2023 - opg.optica.org
We present a setup to generate tightly focused Bessel beams that is composed of a half-ball
lens coupled with a relay lens. The system is simple and compact compared to conventional …

Bessel beam generated LIPSS on NiTi wires

J Marx, EL Gurevich, M Schuleit, C Esen, A Ostendorf - Applied Physics A, 2023 - Springer
Ultrashort laser pulses are used to generate Laser-Induced Periodic Surface Structures
(LIPSS). To apply LIPSS on small confined areas, the laser source must be focused to a …

Functionalization of freeform curved surfaces by shaped femtosecond laser pulses in the propagation axis

A Wang, L Jiang, X Li, J Huang, Z Xu, Z Wang… - Optics Express, 2021 - opg.optica.org
With ultrashort pulse durations and ultrahigh peak intensities, ultrafast lasers can create
different types of micro/nano-structures to functionalize the processed surface with new …

Two-photon polymerization-based fabrication of millimeter-sized precision Fresnel optics

J Marx, F Behlau, D Haske, C Esen, A Ostendorf - Applied Optics, 2024 - opg.optica.org
Two-photon polymerization (2PP) is<? TeX 2pc 0pt?> known<? TeX 4pc 0pt?> to be the
most precise and highest resolution additive manufacturing process for printing optics, but its …

Subwavelength Bessel beam arrays with high uniformity based on a metasurface

C Wu, X Huang, J Yipeng, J Wang… - Applied Optics, 2024 - opg.optica.org
Bessel beam arrays are highly attractive due to non-diffraction properties, parallel
processing, and large capacity capabilities. However, conventional approaches of …