Results 1 to 10 of about 4,542,543 (294)

Laser-Induced Breakdown Spectroscopy in Africa [PDF]

Journal of Chemistry, 2015
Laser-induced breakdown spectroscopy (LIBS), known also as laser-induced plasma spectroscopy (LIPS), is a well-known spectrochemical elemental analysis technique.
M. A. Kasem, M. A. Harith
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Assessing the Sensitivity and Efficiency of Laser-Induced Breakdown Spectroscopy (LIBS) for High-Concentration Cadmium Detection in Cocoa Powder [PDF]

Sensors
Cocoa is a major commodity in the global food industry. Heavy metal contamination, particularly cadmium (Cd), raises significant concerns. This work demonstrates the use of laser-induced breakdown spectroscopy (LIBS) for fast Cd quantification in ...
Juan Molina M., Raquel Pincay, Víctor Santos, José Luis González, María Fernanda Trujillo Guerrero, Diego Díaz Pace, César Costa-Vera   +6 more
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Laser-Induced Breakdown Spectroscopy [PDF]

Analytical Chemistry, 2012
■ CONTENTS General Information: Books, Reviews, and Conferences 640 Fundamentals 641 Interaction of Laser Beam with Matter 641 Factors Affecting Laser Ablation and LaserInduced Plasma Formation 642 Influence of Target on the Laser-Induced Plasmas 642 Influence of Laser Parameters on the LaserInduced Plasmas 643 Laser Wavelength (λ) 643 Laser Pulse ...
Francisco J, Fortes, Javier, Moros, Patricia, Lucena, Luisa M, Cabalín, J Javier, Laserna   +4 more
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Breakdown Spectroscopy Induced by Nonlinear Interactions of Femtosecond Laser Filaments and Multidimensional Plasma Gratings

Ultrafast Science, 2023
Breakdown spectroscopy is a valuable tool for determining elements in solids, liquids, and gases. All materials in the breakdown region can be ionized and dissociated into highly excited fragments and emit characteristic fluorescence spectra.
Mengyun Hu, Shupeng Xu, Shuai Yuan, Heping Zeng   +3 more
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APPLICATION OF THE LASER INDUCED BREAKDOWN SPECTROSCOPYTECHNIQUE TO THE DETECTION OF Cl IN CHARD TO INFER THE PRESENCE OF PESTICIDES

Anales (Asociación Física Argentina), 2021
Pesticide residues in food are a threat to consumption. However, detecting residues quickly and directly on the sample is a complex job. In this work, the potential application of the Laser Induced Breakdown Spectroscopy (LIBS) technique for the rapid ...
L. J. Martino, C. A. D’Angelo
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Investigating the Threshold Conditions of Air Breakdown with Mode-Locked Q-Switched Laser Pulses, and the Temporal Dynamics of Induced Plasma with Self-Scattering Phenomenon

Applied Sciences, 2021
A Q-switched Nd:YAG laser with mode-locked modulations is utilized to explore the laser-induced air breakdown. The various modulation depths of the mode-locking within the Q-switched pulse can be utilized to investigate the threshold conditions. With the
Kai-Ting Yen, Chih-Hung Wu, Pin-Hsun Wang, Pi-Hui Tuan, Kuan-Wei Su   +4 more
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The Influence of Gadolinium Oxide Nanoparticles Concentration on the Chemical and Physical Processes Intensity during Laser-Induced Breakdown of Aqueous Solutions

Photonics, 2023
The paper investigates the physicochemical processes that occur during laser-induced breakdown in colloids of gadolinium oxide nanoparticles of different concentrations. A monotonic change in the number of optical breakdowns, the average distance between
Aleksander V. Simakin, Ilya V. Baimler, Alexey S. Baryshev, Anastasiya O. Dikovskaya, Sergey V. Gudkov   +4 more
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Dual-Laser-Induced Breakdown Thermometry via Sound Speed Measurement: A New Procedure for Improved Spatiotemporal Resolution

Sensors, 2020
Measurement of acoustic waves from laser-induced breakdown has been developed as gas thermometry in combustion atmospheres. In the measurement, two laser-induced breakdown spots are generated and the local gas temperature between these two spots is ...
Shen Li, Wubin Weng, Chengdong Kong, Marcus Aldén, Zhongshan Li   +4 more
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Laser-induced breakdown spectroscopy instrument and spectral analysis for deep-ocean Fe-Mn crusts

Frontiers in Marine Science, 2023
IntroductionMarine ferromanganese crusts are potentially important metal resources.The deep-ocean research and survey ships often need to carry out rapid chemical element component analysis of mineral resources, so as to plan for the geological resource ...
Guang Yang, Guang Yang, Guanyu Chen, Guanyu Chen, Zixuan Cai, Zixuan Cai, Xiangqian Quan, Yang Zhu, Yang Zhu   +8 more
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Analysis of Cu and Zn contents in aluminum alloys by femtosecond laser-ablation spark-induced breakdown spectroscopy

Open Physics, 2023
To enhance the sensitivity of detecting Cu and Zn in aluminum alloys, we incorporated a spark discharge unit into the femtosecond laser-induced breakdown spectroscopy (fs-LIBS) system, forming a femtosecond laser ablation spark-induced breakdown ...
Pinjun Li, Zhengye Xiong, Zidong Ma, Jingyuan Guo, Chunxi Wang   +4 more
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