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Experimental investigation of ablation efficiency and plasma expansion during femtosecond and nanosecond laser ablation of silicon
Femtosecond laser (Ti:sapphire, 100 fs pulse duration) ablation of silicon in air was compared with nanosecond laser (Nd:YAG, 3 ns pulse duration) ablation at ultraviolet wavelength (266 nm). LaserExpand
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Nanosecond and femtosecond laser ablation of brass: particulate and ICPMS measurements.
Femtosecond and nanosecond lasers were compared for ablating brass alloys. All operating parameters from both lasers were equal except for the pulse duration. The ablated aerosol vapor was collectedExpand
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The critical exponents for the quasi-linear parabolic equations with inhomogeneous terms
Abstract This paper deals with the critical exponents for the quasi-linear parabolic equations in R n and with an inhomogeneous source, or in exterior domains and with inhomogeneous boundaryExpand
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Plasma diagnostics during laser ablation in a cavity
Abstract The formation of a laser-induced plasma in a cavity and the effects of a cavity on the ablation process were investigated. Cavities were fabricated in fused silica with equal depths andExpand
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Laser-induced breakdown spectroscopy: flat surface vs. cavity structures
Cavity formation is a common phenomenon involved in solid-state analysis when repetitive laser pulses are applied to induce breakdown spectra. While previous LIBS investigations have been mostlyExpand
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Blow-up results and global existence of positive solutions for the inhomogeneous evolution P-Laplacian equations
Abstract This paper deals with the Cauchy problem of inhomogeneous evolution P-Laplacian equations ∂ t u − div ( | ∇ u | p − 2 ∇ u ) = u q + w ( x ) with nonnegative initial data, where p > 1 , q >Expand
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Laser-induced shockwave propagation from ablation in a cavity
The propagation of laser-induced shockwaves from ablation inside of cavities was determined from time-resolved shadowgraph images. The temperature and electron number density of the laser-inducedExpand
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Time-resolved plasma properties for double pulsed laser-induced breakdown spectroscopy of silicon☆
A systematic measurement of plasma properties (temperature, electron number density, pressure) was performed during LIBS of silicon with two nanosecond pulsed lasers operating at 1064 nm. TheExpand
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Energy deposition and shock wave propagation during pulsed laser ablation in fused silica cavities
Propagation of the shock wave generated during pulsed laser ablation in cavities was measured using laser shadowgraph imaging and compared with laser ablation on a flat surface. The cavities wereExpand
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Laser–plasma interactions in fused silica cavities
The effect of laser energy on formation of a plasma inside a cavity was investigated. The temperature and electron number density of laser-induced plasmas in a fused silica cavity were determinedExpand
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