Publications
2023
Raju, T.S. and Myakalwar, A.K., Butterfly-shaped and dromion-like optical similaritons in an asymmetric twin-core fiber amplifier. 2023. JOSA B, 40(10), pp.2657-2663.
2022
Saeidfirozeh H, Myakalwar AK, Kubelík P, Ghaderi A, Laitl V, Petera L, Rimmer PB, Shorttle O, Heays AN, Křivková A, Krůs M. ANN-LIBS analysis of mixture plasmas: detection of xenon. Journal of Analytical Atomic Spectrometry. 2022;37(9):1815-23.
Fuentes R, Luarte D, Sandoval C, Myakalwar AK, Alvarez J, Yáñez J, Sbarbaro D. Laser-Induced Breakdown Spectroscopy and Hyperspectral Imaging Data Fusion for improved Mineralogical Analysis of Copper Concentrates. IFAC-PapersOnLine. 2022 Jan 1;55(21):85-90.
Velásquez M, Álvarez J, Sandoval C, Ramírez E, Bravo M, Fuentes R, Myakalwar AK, Castillo R, Luarte D, Sbarbaro D, Yáñez J. Improved elemental quantification in copper ores by laser-induced breakdown spectroscopy with judicious data processing. Spectrochimica Acta Part B: Atomic Spectroscopy. 2022 Feb 1;188:106343.
Velásquez M, Myakalwar AK, Manzoor S, Vadillo JM, Laserna J, Yanez J. Progress in arsenic determination at low levels in copper ores by laser-induced breakdown spectroscopy. Spectrochimica Acta Part B: Atomic Spectroscopy. 2022 Sep 1;195:106501
2021
A.K. Myakalwar, C. Sandoval, M. Velásquez, D. Sbarbaro, B. Sepúlveda, J. Yáñez, LIBS as a Spectral Sensor for Monitoring Metallic Molten Phase in Metallurgical Applications—A Review, Minerals, 11 (2021) 1073. https://doi.org/10.3390/min11101073
A.K. Myakalwar, C. Sandoval, B. Sepúlveda, R. Fuentes, R. Parra, E. Balladares, A. Vásquez, D. Sbarbaro, J. Yáñez, Laser induced breakdown spectroscopy for monitoring the molten phase desulfurization process of blister copper, Analytica Chimica Acta, 1178 (2021) 338805.https://doi.org/10.1016/j.talanta.2011.09.040
D. Luarte, A.K. Myakalwar, M. Velásquez, J. Álvarez, C. Sandoval, R. Fuentes, J. Yañez, D. Sbarbaro, Combining prior knowledge with input selection algorithms for quantitative analysis using neural networks in laser induced breakdown spectroscopy, Analytical Methods, 13 (2021) 1181-1190. https://doi.org/10.1039/D0AY02300K
Fuentes, Rodrigo, Danny Luarte, Claudio Sandoval, Ashwin Kumar Myakalwar, Jorge Yáñez, and Daniel Sbarbaro. Data fusion of Laser Induced Breakdown Spectroscopy and Diffuse Reflectance for improved analysis of mineral species in copper concentrates. Minerals Engineering 173 (2021): 107193. https://doi.org/10.1016/j.mineng.2021.107193
2019
J. Álvarez, M. Velásquez, A.K. Myakalwar, C. Sandoval, R. Fuentes, R. Castillo, D. Sbarbaro, J. Yáñez, Determination of copper-based mineral species by laser induced breakdown spectroscopy and chemometric methods, Journal of Analytical Atomic Spectrometry, 34 (2019) 2459-2468.doi.org/10.1039/C9JA00271E
2018
P. Honzatko, Y. Baravets, A.K. Myakalwar, Single-frequency fiber laser based on a fiber ring resonator filter tunable in a broad range from 1023 nm to 1107 nm, Optics letters, 43 (2018) 1339-1342.https://doi.org/10.1364/OL.43.001339
2017
M.K. Gundawar, R. Junjuri, A.K. Myakalwar, Standoff detection of explosives at 1 m using laser induced breakdown spectroscopy, Defence science journal, 67 (2017) 623. https://doi.org/10.14429/dsj.67.11498
S. Anubham, R. Junjuri, A.K. Myakalwar, M. Gundawar, An Approach to Reduce the Sample Consumption for LIBS based Identification of Explosive Materials, Defence Science Journal, 67 (2017). https://doi.org/10.14429/dsj.67.10690
2016
A.K. Myakalwar, S.K. Anubham, S.K. Paidi, I. Barman, M.K. Gundawar, Real-time fingerprinting of structural isomers using laser induced breakdown spectroscopy, Analyst, 141 (2016) 3077-3083. https://doi.org/10.1039/C6AN00408C
2015
A.K. Myakalwar, N. Spegazzini, C. Zhang, S.K. Anubham, R.R. Dasari, I. Barman, M.K. Gundawar, Less is more: Avoiding the LIBS dimensionality curse through judicious feature selection for explosive detection, Scientific reports, 5 (2015) 1-10.https://doi.org/10.1038/srep13169
2014
A.K. Myakalwar, N.C. Dingari, R.R. Dasari, I. Barman, M.K. Gundawar, Non-gated laser induced breakdown spectroscopy provides a powerful segmentation tool on concomitant treatment of characteristic and continuum emission, PloS one, 9 (2014) e103546. https://doi.org/10.1371/journal.pone.0103546
2013
S. Sunku, M.K. Gundawar, A.K. Myakalwar, P.P. Kiran, S.P. Tewari, S.V. Rao, Femtosecond and nanosecond laser induced breakdown spectroscopic studies of NTO, HMX, and RDX, Spectrochimica Acta Part B: Atomic Spectroscopy, 79 (2013) 31-38. https://doi.org/10.1016/j.sab.2012.11.002
2012
S. Sunku, A.K. Myakalwar, M.K. Gundawar, P.K. Paturi, S.P. Tewari, V.R. Soma, Stoichiometric Analysis of Inorganic Compounds Using Laser-Induced Breakdown Spectroscopy with Gated and Nongated Spectrometers, International Scholarly Research Notices, 2012 (2012). https://doi.org/10.5402/2012/631504
C. Leela, S. Bagchi, S. Sreedhar, M.A. Kumar, S.P. Tewari, G.M. Kumar, P.P. Kiran, Time resolved spectral emission from AP & AN: comparison with LIBS, Optical Instrumentation for Energy and Environmental Applications, Optical Society of America, 2012, pp. JM5A. 1.
N.C. Dingari, I. Barman, A.K. Myakalwar, S.P. Tewari, M. Kumar Gundawar, Incorporation of support vector machines in the LIBS toolbox for sensitive and robust classification amidst unexpected sample and system variability, Analytical chemistry, 84 (2012) 2686-2694. https://doi.org/10.1021/ac202755e
2011
A.K. Myakalwar, S. Sreedhar, I. Barman, N.C. Dingari, S.V. Rao, P.P. Kiran, S.P. Tewari, G.M. Kumar, Laser-induced breakdown spectroscopy-based investigation and classification of pharmaceutical tablets using multivariate chemometric analysis, Talanta, 87 (2011) 53-59. https://doi.org/10.1016/j.talanta.2011.09.040
S. Sreedhar, M.A. Kumar, G.M. Kumar, P.P. Kiran, S.P. Tewari, S.V. Rao, Laser Induced Breakdown Spectroscopy of RDX and HMX with nanosecond, picosecond, and femtosecond pulses, Proc. of SPIE Vol, 2010, pp. 76650T-76651.
S.V. Rao, S. Sreedhar, M.A. Kumar, P.P. Kiran, S.P. Tewari, G.M. Kumara, Laser induced breakdown spectroscopy of high energy materials using nanosecond, picosecond, and femtosecond pulses: challenges and opportunities, Proc. of SPIE Vol, 2010, pp. 81731A-81731.