24 Result(s)
within
Nadezhda M. Bulgakova
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Article
Open AccessDouble layer acceleration of ions with differently charged states in a laser induced plasma
The electric field driven acceleration of plasma ions is an intrinsic effect in laser-induced plasma plumes and is responsible for the generation of high-energy ions. At high laser fluences (≥ 2 J/cm2), multiply ...
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Insights into Laser-Matter Interaction from Inside: Wealth of Processes, Multiplicity of Mechanisms and Possible Roadmaps for Energy Localization
Short and ultrashort laser pulses are nowadays an integral part of up-to-date technological solutions in many areas from material micro-/nanoprocessing and synthesis of new materials to quantum computing and b...
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Article
Melting of gold by ultrashort laser pulses: advanced two-temperature modeling and comparison with surface damage experiments
The ultrafast-laser-induced solid–liquid phase transition in metals is still not clearly understood and its accurate quantitative description remains a challenge. Here, we systematically investigated, both exp...
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Recent advances in nanoparticle generation in liquids by lasers: Revealing formation mechanisms and tailoring properties
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Reference Work Entry In depth
Laser-Induced Thermal Processes: Heat Transfer, Generation of Stresses, Melting and Solidification, Vaporization, and Phase Explosion
The vast field of laser-enabled material synthesis, manufacturing, and processing to a large degree relies on the ability to induce and control a range of thermal processes triggered by the laser energy deposi...
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Article
Periodic surface functional group density on graphene via laser-induced substrate patterning at Si/SiO2 interface
Controlling the spatial distribution of functional groups on 2D materials on a micrometer scale and below represents a fascinating opportunity to achieve anisotropic (opto)electronic properties of these materi...
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Living Reference Work Entry In depth
Laser-Induced Thermal Processes: Heat Transfer, Generation of Stresses, Melting and Solidification, Vaporization, and Phase Explosion
The vast field of laser-enabled material synthesis, manufacturing, and processing to a large degree relies on the ability to induce and control a range of thermal processes triggered by the laser energy deposi...
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Article
Correction to: A dynamic double layer as the origin of the mass-dependent ion acceleration in laser-induced plasmas
In the original publication of this article, the authors noticed a chemical formula typo.
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Article
A dynamic double layer as the origin of the mass-dependent ion acceleration in laser-induced plasmas
The kinetic energies of the plasma plume species and their control are critical to ensure the high quality of thin films grown by pulsed laser deposition. The maximum kinetic energies of ionic plasma species f...
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Insights into Laser-Materials Interaction Through Modeling on Atomic and Macroscopic Scales
Computer simulations and theoretical analysis of laser-materials interactions are playing an increasingly important role in the advancement of modern laser technologies and broadening the range of laser applic...
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Article
Open AccessHigh-speed manufacturing of highly regular femtosecond laser-induced periodic surface structures: physical origin of regularity
Highly regular laser-induced periodic surface structures (HR-LIPSS) have been fabricated on surfaces of Mo, steel alloy and Ti at a record processing speed on large areas and with a record regularity in the ob...
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Article
Open AccessUltrashort pulse laser ablation of dielectrics: Thresholds, mechanisms, role of breakdown
In this paper, we establish connections between the thresholds and mechanisms of the damage and white-light generation upon femtosecond laser irradiation of wide-bandgap transparent materials. On the example o...
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Article
Fundamentals of ultrafast laser–material interaction
Short pulse laser irradiation has the ability to bring a material into a state of strong electronic, thermal, phase, and mechanical nonequilibrium and trigger a sequence of structural transformations leading t...
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Article
Extreme electronic bandgap modification in laser-crystallized silicon optical fibres
For decades now, silicon has been the workhorse of the microelectronics revolution and a key enabler of the information age. Owing to its excellent optical properties in the near- and mid-infrared, silicon is ...
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Chapter
Erratum to: Continuum Models of Ultrashort Laser–Matter Interaction in Application to Wide-Bandgap Dielectrics
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Chapter
Continuum Models of Ultrashort Laser–Matter Interaction in Application to Wide-Bandgap Dielectrics
This chapter is aimed to provide a basic introduction into the principles of modeling approaches which have been developed for getting insight into various interconnected processes initiated inside transparent...
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Article
Theoretical treatments of ultrashort pulse laser processing of transparent materials: toward understanding the volume nanograting formation and “quill” writing effect
The dynamics of ultrashort-laser-induced generation of free electron plasma inside bulk glass is analyzed. The results of modeling are presented for typical glass modification regimes, obtained on the basis of...
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Article
Role of thermal stresses on pulsed laser irradiation of thin films under conditions of microbump formation and nonvaporization forward transfer
This paper presents a theoretical analysis of the processes in thin solid films irradiated by short and ultrashort laser pulses in the regimes of film structuring and laser-induced forward transfer. The regime...
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Article
A model of nanosecond laser ablation of compound semiconductors accounting for non-congruent vaporization
We report a model of nanosecond laser ablation of compound semiconductors taking into account stoichiometry loss as a result of different volatilities of the material components. The model is based on the heat...
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Article
Thermodynamic and stress analysis of laser-induced forward transfer of metals
On the basis of a two-temperature model taking into account the laser-generated stress waves, we have performed an analysis of heating and melting dynamics in different metallic films (Au, Zn, Cr) irradiated b...
