ArticleScientific reports2017
A simple technique to overcome self-focusing, filamentation, supercontinuum generation, aberrations, depth dependence and waveguide interface roughness using fs laser processing.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 30 citations in OpenAlex.
- Ultrafast Laser Processing for High-Aspect-Ratio Structures.Nanomaterials (Basel, Switzerland) · 2024Review
- Enhancing Evanescent Wave Coupling of Near-Surface Waveguides with Plasmonic Nanoparticles.Sensors (Basel, Switzerland) · 2023Article
- One-Stage Femtosecond Laser-Assisted Deposition of Gold Micropatterns on Dielectric Substrate.Materials (Basel, Switzerland) · 2022Article
- Smartphone Screen Integrated Optical Breathalyzer.Sensors (Basel, Switzerland) · 2021Article
- Inhibition and enhancement of linear and nonlinear optical effects by conical phase front shaping for femtosecond laser material processing.Scientific reports · 2020Article
- Nonlinear increase, invisibility, and sign inversion of a localized fs-laser-induced refractive index change in crystals and glasses.Light, science & applications · 2020Article
- Influence of the spatial confinement on the self-focusing of ultrashort pulses in hollow-core fibers.Scientific reports · 2019Article
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Several detrimental effects limit the use of ultrafast lasers in multi-photon processing and the direct manufacture of integrated photonics devices, not least, dispersion, aberrations, depth dependence, undesirable ablation at a surface, limited depth of writing, nonlinear optical effects such as supercontinuum generation and filamentation due to Kerr self-focusing. We show that all these effects can be significantly reduced if not eliminated using two coherent, ultrafast laser-beams through a single lens - which we call the Dual-Beam technique. Simulations and experimental measurements at the focus are used to understand how the Dual-Beam technique can mitigate these problems. The high peak laser intensity is only formed at the aberration-free tightly localised focal spot, simultaneously, suppressing unwanted nonlinear side effects for any intensity or processing depth. Therefore, we believe this simple and innovative technique makes the fs laser capable of much more at even higher intensities than previously possible, allowing applications in multi-photon processing, bio-medical imaging, laser surgery of cells, tissue and in ophthalmology, along with laser writing of waveguides.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.