Influence of ambient gas on the temperature and density of laser produced carbon plasma
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In this article, the effect of ambient gas on the dynamics of the plasma generated by laser ablation of a carbon target using 1.06 μm radiation from a Q-switched Nd:YAG laser has been investigated using a spectroscopic technique.Abstract:
The effect of ambient gas on the dynamics of the plasma generated by laser ablation of a carbon target using 1.06 μm radiation from a Q-switched Nd:YAG laser has been investigated using a spectroscopic technique. The emission characteristics of the carbon plasma produced in argon, helium and air atmospheres are found to depend strongly on the nature and pressure of the surrounding gas. It has been observed that hotter and denser plasmas are formed in an argon atmosphere rather than in helium or air as an ambient.read more
Citations
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SEM and Raman spectroscopy analyses of laser-induced periodic surface structures grown by ethanol-assisted femtosecond laser ablation of chromium
TL;DR: In this article, the effect of fluence and pulse duration on the growth of nanostructures on chromium surfaces has been investigated upon irradiation of femtosecond (fs) laser pulses in a liquid confined environment of ethanol.
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Fluence-dependent sputtering yield measurement, surface morphology, crater depth, and hardness of laser-irradiated Zr in N2 and Ne environments
TL;DR: In this article, the impact of laser-irradiated Zr on surface morphology and surface growth was investigated by employing an Nd:YAG laser (532nm, 6nns, 10 Hz) at a pressure of 10 Torr.
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Wide-field spectroscopy for optical characterization of the pulsed laser deposition plume
TL;DR: In this paper, a technique to study several regions of plasma produced by laser ablation in a single laser pulse is presented, where the image of the plasma is captured with a number of fibers in a user defined array, and then projected into the one-dimensional slit of a spectrograph.
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Determination of Micronutrients and Toxic Elements in Moringa Oleifera Leaves by Calibration Free Laser-Induced Breakdown Spectroscopy (LIBS)
Z. A. Umar,Usman Liaqat,Rizwan Ahmed,Rinda Hedwig,Muliadi Ramli,Mangasi Alion Marpaung,Koo Hendrik Kurniawan,Marincan Pardede,Muhammad Aslam Baig +8 more
TL;DR: The Moringa oleifera tree, including leaves, flowers, pods, and seeds, is highly nutritious and useful for the prevention and control of various diseases as mentioned in this paper.
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Laser-induced plasma emission spectra of halogens in the helium gas flow and pulsed jet
TL;DR: In this article, the emission lines of halogens in laser-induced plasma (LIP) spectra in NIR region using a helium gas flow were observed for the first time.
References
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Book
CRC Handbook of Chemistry and Physics
TL;DR: CRC handbook of chemistry and physics, CRC Handbook of Chemistry and Physics, CRC handbook as discussed by the authors, CRC Handbook for Chemistry and Physiology, CRC Handbook for Physics,
Book ChapterDOI
Pulsed laser deposition of thin films
TL;DR: Pulsed laser deposition of high-temperature superconducting thin films for active and passive device applications is discussed in this article, with a focus on the commercial scale-up of Pulsed Laser Deposition.
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Laser-induced plasmas and applications
TL;DR: In this article, the authors discuss optical science, engineering, and technology topics covered include the laser and its many commercial and industrial applications, the new optical materials, gradient index optics, electro-and acousto-optics, fiber optics and communications, optical computing and pattern recognition, optical data reading, recording and storage, biomedical instrumentation, industrial robotics, integrated optics, infrared and ultraviolet systems
Journal ArticleDOI
Synthesis of Novel Thin-Film Materials by Pulsed Laser Deposition
Douglas H. Lowndes,David B. Geohegan,Alexander A. Puretzky,David P. Norton,Christopher M. Rouleau +4 more
TL;DR: Cluster-assembled nanocrystalline and composite films offer opportunities to control and produce new combinations of properties with PLD, and artificially layered materials and metastable phases have been created and their properties varied by control of the layer thicknesses.
Journal ArticleDOI
Self-assembly of the fullerenes
TL;DR: In this article, a central mystery of the fullerene story is solved: how carbon can be made spontaneously in high yield simply by condensing carbon vapor in a special way.