Usable Analytical Expressions for Temperature Distribution Induced by Ultrafast Laser Pulses in Dielectric Solids

R Que, M Lancry, B Poumellec - Micromachines, 2024 - mdpi.com
This paper focuses on the critical role of temperature in ultrafast direct laser writing
processes, where temperature changes can trigger or exclusively drive certain …

A generalized thermoelastic diffusion theory of porous materials considering strain, thermal and diffusion relaxation, and its application in the ultrashort pulse laser …

Y Li, T He, X Tian - Acta Mechanica, 2023 - Springer
In order to obtain the transient thermoelastic diffusion responses of porous materials heated
by the ultrashort pulse laser, the focus of this work is to establish a generalized thermoelastic …

Optical colouring and surface chemistry of ultrafast laser generated debris on polycarbonate

G Killaire, P Berini, A Weck - Applied Surface Science, 2024 - Elsevier
Laser alteration of polymers is an important field which has received a great deal of attention
related to altering the surface and bulk of cheap commonly used plastics to generate useful …

基于LS 广义热弹性理论YSZ 在超短脉冲下的热力响应.

赵颐, 田晓耕 - Applied Mathematics & Mechanics (1000 …, 2023 - search.ebscohost.com
基于L⁃ S 广义热弹性理论, 考虑材料比热容随温度变化, 建立了含有内热源的热弹耦合系统控制
方程. 利用有限元方法研究了氧化钇四方氧化锆(YSZ) 在超短脉冲激光作用下的热力响应 …

Demonstration of anisotropy control of optical properties induced by IR fs laser irradiation in organic materials: birefringence, di-attenuation, SHG, photoluminescence

R Que - 2022 - theses.hal.science
Femtosecond laser direct writing in materials has been studied due to its advantages in
micro-processing. The discovery of polarization effect found in controlling the crystallization …

Pulse-to-pulse evolution of optical properties in ultrafast laser micro-processing of polymers

A Rahaman, X Du, B Zhou, A Kar, X Yu - Journal of Laser Applications, 2021 - pubs.aip.org
Polymers were one of the first materials to be processed by ultrafast lasers. However, the
nature of absorption for near-infrared laser beams is not fully understood, and therefore it …

A generalized thermoelastic Stefan problem with spatio-temporal nonlocal effect in picosecond pulse laser material processing

Y Li, Y Zhao, T He, X Tian, K Liao - International Communications in Heat …, 2022 - Elsevier
The Stefan conditions are suitable for describing the solid-liquid phase change processes
with moving interface. However, the existing literature only focuses on the Stefan problem of …

Thermomechanical responses of YSZ under ultrashort thermal shock based on the LS generalized thermoelastic theory

Z Yi, T Xiaogeng - 应用数学和力学, 2023 - 218.194.173.11
Based on the LS generalized thermoelastic theory and in view of the specific heat capacity
change of material with temperature, the control equations for the thermoelastic coupling …

Experimental observation of the effect of pulse duration on optical properties in ultrafast laser micro-processing of polymers

A Rahaman, X Du, A Kar, X Yu - Journal of Laser Applications, 2021 - pubs.aip.org
Polymers are important materials for both industrial and scientific applications. However, it is
challenging to efficiently process polymers with an ultrafast laser due to their low melting …

Parameter optimization of slit width for fiber laser cutting of polyethylene films

Q Lan, G Shi - Third International Conference on Advanced …, 2024 - spiedigitallibrary.org
In order to study the effect of laser cutting process parameters on the slit width of garbage
bags made of polyethylene (PE) material, Box-Behnken test was designed to test the cutting …