Optimization of the Temporal Shape of Laser Pulses for Ablation | Zendy

Pascal Turbis | Zendy; Emmanuel Lorin | Zendy; Alain Cournoyer | Zendy

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Optimization of the Temporal Shape of Laser Pulses for Ablation

Author(s) -

Pascal Turbis,

Emmanuel Lorin,

Alain Cournoyer

Publication year - 2014

Publication title -

applied mathematics research express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.763

H-Index - 20

eISSN - 1687-1200

pISSN - 1687-1197

DOI - 10.1093/amrx/abu001

Subject(s) - ablation , fluence , laser , laser ablation , materials science , pulse (music) , heat transfer , silicon , optics , mechanics , optoelectronics , physics , engineering , detector , aerospace engineering

This paper is devoted to the stochastic optimization of the temporal shape of a laser pulse for material ablation. The temperature of the material subject to the laser pulse is modeled by a Stefan-like heat transfer equation. From the surface temperature is then determined the ablation depth of the studied material, which is the quantity to optimize for a given laser pulse fluence. Several numerical tests are presented for laser ablation of silicon, which is the material of interest here.

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