Femtosecond (fs) laser direct writing (FLDW) is a laser micro/nano manufacturing technology that can focus the laser pulses on the surface or inside the material, causing local changes in material properties through nonlinear ...
Optics & Photonics
Oct 18, 2023
0
14
Is it possible to make a femtosecond laser entirely out of glass? That's the rabbit hole that Yves Bellouard, head of EPFL's Galatea Laboratory, went down after years of spending hours—and hours—aligning femtosecond lasers ...
Optics & Photonics
Sep 26, 2023
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19
A high-brightness ultrabroadband supercontinuum white laser has attracted more and more attention in physics, chemistry, biology, materials science, and other disciplines of science and technology. Over the past decades, ...
Optics & Photonics
Aug 23, 2023
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63
Imagine a person on the ground guiding an airborne drone that harnesses its energy from a laser beam, eliminating the need for carrying a bulky onboard battery.
Polymers
Aug 18, 2023
1
896
Acoustic emission (AE) monitoring is used to reveal the interaction mechanisms in pulsed laser processing of float glass. Circular ablated pits and irregular shaped cracks are formed on the float glass's upper surface by ...
Optics & Photonics
Jul 28, 2023
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31
A team of researchers from the Accelerator Technology & Applied Physics (ATAP) Division at Berkeley Lab has developed a new technique for combining fiber lasers operating at different wavelengths to produce ultrashort laser ...
Optics & Photonics
Jul 24, 2023
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32
Saturable absorbers as passive modulators in passively mode-locked fiber lasers play a crucial role in the generation of ultrashort pulses. Germanene, a graphene-like two-dimensional material with fast carrier relaxation ...
Nanophysics
Jul 21, 2023
0
61
Homologous recombination (HR) is an important process that plays multiple crucial roles during meiosis, a type of cell cycle dedicated to sexual reproduction. During HR, homologous DNA molecules exchange their genetic material. ...
Cell & Microbiology
Jul 19, 2023
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20
On-chip laser diodes based on quantum well (QW) and quantum dot (QD) semiconductor materials have become the primary technology for several applications due to their excellent characteristics, including high power efficiency, ...
Optics & Photonics
Jul 14, 2023
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1
A bullet piercing the protective armor of a first responder, a jellyfish stinging a swimmer, micrometeorites striking a satellite: High-speed projectiles that puncture materials show up in many forms. Researchers constantly ...
Nanophysics
Jul 3, 2023
0
125
