Computational study of nanosecond pulsed laser ablation and the application to momentum coupling

Yuan, Hong; Huifeng, Tong; Li, Mu; Sun, Chengwei

doi:10.1063/1.4737188

Cited by 7 publications

(2 citation statements)

References 9 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Sinko and Phipps also found a similar relationship between C m and laser wavelength [23]. Besides, it was reported that the C m increased with the decrease in laser wavelength under the same laser intensity and pulse width [24], indicating the shorter laser wavelength was more advantageous for the momentum coupling of laser to the target. In contrast with the Phipps theory, Zheng et al reported that the C m of 1064 nm was higher than that of 532 nm for bulk liquid ablation [13].…”

Section: Introductionmentioning

confidence: 63%

Effect of laser wavelength on ablation propulsion and plasma characteristics with acrylonitrile butadiene styrene target

Xu,

Yang,

et al. 2024

J. Phys. D: Appl. Phys.

View full text Add to dashboard Cite

Propulsion performance produced by laser ablation of polymer made of acrylonitrile butadiene styrene (ABS) is experimentally investigated using the first, second, and third harmonics of a Nd: YAG laser. A ballistic pendulum is employed to assess the impulse and coupling coefficient for laser propulsion application. Fast photography, target ablation, and optical emission spectroscopy are proposed to analyze the energy coupling characteristic. The impulse and coupling coefficient under different pressures are demonstrated to depend on the target ablation and plasma properties which are relevant to laser wavelength. As the laser wavelength decreases, the crater depth and ablation mass are enhanced. Meanwhile, the plasma plume separates at atmospheric pressure and its length extends continuously in the low-pressure range. As a result, plasma including more ejected particles with higher velocity contributes to obtaining excellent impulse and coupling coefficient. In addition, the decreased electron density and temperature indicate higher collision frequency and photoionization dominate rather than inverse bremsstrahlung absorption at shorter laser wavelengths. This work provides a better understanding of the energy conversion mechanism and a reference for improving propulsion performance.

show abstract

Section: Introductionmentioning

confidence: 63%

Effect of laser wavelength on ablation propulsion and plasma characteristics with acrylonitrile butadiene styrene target

Xu,

Yang,

et al. 2024

J. Phys. D: Appl. Phys.

View full text Add to dashboard Cite

show abstract

“…As a consequence, in this work we focused on LA, in vacuum, of an aluminum target generated by a Gaussian-shaped laser pulse of 20

duration (FWHM) with a peak intensity of the order of

. The choice of this target material naturally arises by considering that a consistent part of space debris is made of aluminum [ 8 ] and that aluminum is also widely used in LAP, both as a propulsion performance standard [ 9 ] and as a case study for propulsion optimization [ 10 ].…”

Section: Introductionmentioning

confidence: 99%

Laser Ablation of Aluminum Near the Critical Regime: A Computational Gas-Dynamical Model with Temperature-Dependent Physical Parameters

Terragni

Miotello

2021

Micromachines

View full text Add to dashboard Cite

The complexity of the phenomena simultaneously occurring, from the very first instants of high-power laser pulse interaction with the target up to the phase explosion, along with the strong changes in chemical-physical properties of matter, makes modeling laser ablation a hard task, especially near the thermodynamic critical regime. In this work, we report a computational model of an aluminum target irradiated in vacuum by a gaussian-shaped pulse of 20ns duration, with a peak intensity of the order of GW/cm□. This continuum model covers laser energy deposition and temperature evolution in the irradiated target, along with the mass removal mechanism involved, and the vaporized material expansion. Aluminum was considered to be a case study due to the vast literature on the temperature dependence of its thermodynamic, optical, and transport properties that were used to estimate time-dependent values of surface-vapor quantities (vapor pressure, vapor density, vapor and surface temperature) and vapor gas-dynamical quantities (density, velocity, pressure) as it expands into vacuum. Very favorable agreement is reported with experimental data regarding: mass removal and crater depth due to vaporization, generated recoil momentum, and vapor flow velocity expansion.

show abstract

The ways to improve momentum and kinetic efficiency of laser propulsion

Loktionov

2024

Laser Propulsion in Space

View full text Add to dashboard Cite

Computational study of nanosecond pulsed laser ablation and the application to momentum coupling

Cited by 7 publications

References 9 publications

Effect of laser wavelength on ablation propulsion and plasma characteristics with acrylonitrile butadiene styrene target

Effect of laser wavelength on ablation propulsion and plasma characteristics with acrylonitrile butadiene styrene target

Laser Ablation of Aluminum Near the Critical Regime: A Computational Gas-Dynamical Model with Temperature-Dependent Physical Parameters

The ways to improve momentum and kinetic efficiency of laser propulsion

Contact Info

Product

Resources

About