Search Results - "Marpaung, Alion Mangasi"
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High sensitivity hydrogen analysis in zircaloy-4 using helium-assisted excitation laser-induced breakdown spectroscopy
Published in Scientific reports (09-11-2021)“…High-sensitivity detection of hydrogen (H) contained in zircaloy-4, a commonly used material for nuclear fuel containers, is crucial in a nuclear power plant…”
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2
Suppression of self-absorption in laser-induced breakdown spectroscopy using a double pulse orthogonal configuration to create vacuum-like conditions in atmospheric air pressure
Published in Scientific reports (06-08-2020)“…Self-absorption, which is known to severely disturb identification of the emission peak intensity in emission-based spectroscopy, was first studied using…”
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Using laser-generated air spark to suppress the self-reversal effect of laser-induced breakdown spectroscopy (LIBS) for quantitative in-situ analysis of high-concentration Al in Ti-Al alloys
Published in Talanta open (01-12-2023)“…Ti-Al alloy is one of the most critical alloys that the world requires today. As a result, a rapid quantitative detection method to determine the Al…”
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4
Simple defocus laser irradiation to suppress self-absorption in laser-induced breakdown spectroscopy (LIBS)
Published in Heliyon (01-08-2022)“…This study introduces a novel and simple way to suppress the self-absorption effect in laser-induced breakdown spectroscopy (LIBS) by utilizing a defocusing…”
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Spectral and Dynamic Characteristics of Helium Plasma Emission and its Effect on a Laser-Ablated Target Emission in a Double-Pulse Laser-Induced Breakdown Spectroscopy (LIBS) Experiment
Published in Applied spectroscopy (01-01-2015)“…A systematic study has been performed on the spectral characteristics of the full spectrum of He emission lines and their time-dependent behaviors measured…”
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Emission Spectrochemical Analysis of Soft Samples Including Raw Fish by Employing Laser-Induced Breakdown Spectroscopy with a Subtarget at Low-Pressure Helium Gas
Published in ACS omega (14-07-2020)“…Laser-induced breakdown spectroscopy (LIBS) to detect the light elements such as lithium (Li) and boron (B) and heavy elements such as copper (Cu) and lead…”
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A comparative study of emission efficiencies in low-pressure argon plasmas induced by picosecond and nanosecond Nd:YAG lasers
Published in Japanese Journal of Applied Physics (01-11-2016)“…An experimental study is performed on the comparative advantages of nanosecond (ns) and picosecond (ps) lasers in laser-induced breakdown spectroscopy (LIBS)…”
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Signal enhancement of neutral He emission lines by fast electron bombardment of laser-induced He plasma
Published in AIP advances (01-08-2016)“…A time-resolved spectroscopic study is performed on the enhancement signals of He gas plasma emission using nanosecond (ns) and picosecond (ps) lasers in an…”
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A Comparative Study of Pressure-Dependent Emission Characteristics in Different Gas Plasmas Induced by Nanosecond and Picosecond Neodymium-Doped Yttrium Aluminum Garnet (Nd:YAG) Lasers
Published in Applied spectroscopy (01-11-2013)“…An experimental study has been performed on the pressure-dependent plasma emission intensities in Ar, He, and N2 surrounding gases with the plasma induced by…”
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10
Suppression of self-absorption effect in laser-induced breakdown spectroscopy by employing a Penning-like energy transfer process in helium ambient gas
Published in Optics express (30-03-2020)“…A unique approach for achieving total suppression of the self-absorption effect in laser-induced breakdown spectroscopy (LIBS) has been demonstrated employing…”
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11
Unusual parallel laser irradiation for suppressing self-absorption in single pulse laser-induced breakdown spectroscopy
Published in Optics express (05-07-2021)“…This study demonstrates a new approach for suppressing the self-absorption effect in single-pulse laser-induced breakdown spectroscopy (LIBS) using unusual…”
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12
Underlying Physical Process for the Unusual Spectral Quality of Double Pulse Laser Spectroscopy in He Gas
Published in Analytical chemistry (Washington) (18-06-2019)“…This study is aimed at elucidating the physical processes responsible for the excellent spectral qualities in terms of full width at half-maximum (fwhm) and…”
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Shock wave plasma generation in low pressure ambient gas from powder sample using subtarget supported micro mesh as a sample holder and its potential applications for sensitive analysis of powder samples
Published in Microchemical journal (01-11-2018)“…We present in this report the results of experimental study on the spectrochemical analysis of powder samples using subtarget supported micro mesh (SSMM)…”
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Pengembangan Media Pembelajaran Termoelektrik Generator sebagai Sumber Energi
Published in JPPPF (Online) (30-12-2016)Get full text
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Pengembangan Media Pembelajaran Termoelektrik Generator sebagai Sumber Energi
Published in JPPPF (Online) (01-12-2016)“…Abstract This research is aimed to develop the experimental instrument that is thermoelectric generator as the instructional media for energy resource. Used…”
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