Laser Space Propulsion

Phipps, Claude; Luke, James R.

doi:10.1007/978-0-387-30453-3_16

Cited by 34 publications

(17 citation statements)

References 25 publications

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“…Laser ablation embodies a series of phenomena with a complex interconnection between them [1]. For the better understanding of this physical process there have been multiple diagnostics techniques implemented which showcased the particle removal process [2], particle dynamics after ejection [3], plasma formation and expansion [4][5][6], etc.…”

Section: Introductionmentioning

confidence: 99%

Lorenz Type Behaviors in the Dynamics of Laser Produced Plasma

Irimiciuc¹,

Enescu²,

Agop³

et al. 2019

Symmetry

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An innovative theoretical model is developed on the backbone of a classical Lorenz system. A mathematical representation of a differential Lorenz system is transposed into a fractal space and reduced to an integral form. In such a conjecture, the Lorenz variables will operate simultaneously on two manifolds, generating two transformation groups, one corresponding to the space coordinates transformation and another one to the scale resolution transformation. Since these groups are isomorphs various types isometries become functional. The Lorenz system was further adapted to describe the dynamics of ejected particles as a result of laser matter interaction in a fractal paradigm. The simulations were focused on the dynamics of charged particles, and showcase the presence of current oscillations, a heterogenous velocity distribution and multi-structuring at different interaction scales. The theoretical predictions were compared with the experimental data acquired with noninvasive diagnostic techniques. The experimental data confirm the multi-structure scenario and the oscillatory behavior predicted by the mathematical model.

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Section: Introductionmentioning

confidence: 99%

Lorenz Type Behaviors in the Dynamics of Laser Produced Plasma

Irimiciuc¹,

Enescu²,

Agop³

et al. 2019

Symmetry

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“…The factor of 2 in This parameter ψ is the result of the fact that the exhaust velocity distribution is a drifting maxwellian with a nonzero mean velocity. However, it can be shown [12] that high intensity ablation plumes correspond to ψ ::: 1.15, and we will assume ψ ¼ 1 for simplicity in Fig. 3.…”

Section: Ablation Propulsion With Pulsed Lasersmentioning

confidence: 99%

Transfers from Earth to LEO and LEO to interplanetary space using lasers

et al. 2018

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A B S T R A C TNew data on some materials at 80ps pulse duration and 1057 nm wavelength give us the option of proportionally combining them to obtain arbitrary values between 35 (aluminum) and 800 N/MW (POM, polyoxymethylene) for momentum coupling coefficient C m . Laser ablation physics lets us transfer to LEO from Earth, or to interplanetary space using repetitively pulsed lasers and C m values appropriate for each mission. We discuss practical results for lifting small payloads from Earth to LEO, and space missions such as a cis-Mars orbit with associated laser system parameters.

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“…The use of laser pulses for material ablation is widely applied in material processing and in industry [1]. Laser ablation of material is a complex process involving several phases and multiple length and time scales [2,3,4].…”

Section: Introductionmentioning

confidence: 99%

Periodic surface structure creation by UV femtosecond pulses on silicon

Gilicze¹,

Moczok²,

Madarász³

et al. 2017

AIP Conference Proceedings

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Abstract. Laser-induced periodic surface structures are created on Si (100) and Si (111) wafers by 500 fs laser pulses at 248 nm. The periodic structure is concentric and highly regular. The spatial period is consistently varying between 1.1 μm and 3.3 μm in the radial direction. It is shown that the fluence of the irradiation at the same pulse number determines the size of the area where the periodic structure is created and for the same fluence the pulse number determines the regularity of the created grooves by melting processes. The origin of this structure is identified as the inhomogeneity of the laser beam profile caused by Fresnel diffraction close to the focal plane. Further improvement of the formation of periodic structure with femtosecond laser pulses is suggested.

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Laser Space Propulsion

Cited by 34 publications

References 25 publications

Lorenz Type Behaviors in the Dynamics of Laser Produced Plasma

Lorenz Type Behaviors in the Dynamics of Laser Produced Plasma

Transfers from Earth to LEO and LEO to interplanetary space using lasers

Periodic surface structure creation by UV femtosecond pulses on silicon

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