INTERNATIONAL
PUBLICATIONS
150. A.M. Marpaung et al., Simple defocus laser irradiation to suppress self-absorption in laser-induced breakdown spectroscopy (LIBS), Heliyon, 8, 8, (2022), pp. e10057
149. N. Idris et al., Geochemistry Study of Soil Affected Catastrophically by Tsunami Disaster Triggered by 2004 Indian Ocean Earthquake using a Fourth Harmonics (λ = 266 nm) Nd:YAG Laser Induced Breakdown Spectroscopy, Arabian Journal of Chemistry, 15, 7, (2022), pp. 103847
148. A. Khumaeni et al., Metal Powder-Assisted Laser Induced Breakdown Spectroscopy (LIBS) using Pulse CO2 Laser for Liquid Analysis, Journal of King Saud University - Science, 34, 3, (2022), pp. 101901
147. A. Khumaeni et al., Quantification of Sodium Contaminant on Steel Surfaces using Pulse CO2 Laser-Induced Breakdown Spectroscopy, Arabian Journal of Chemistry, 15, 1, (2022), pp. 103474
146. Z.A. Umar et al., Determination of Micronutrients and Toxic Elements in Moringa Oleifera Leaves by Calibration Free Laser-Induced Breakdown Spectroscopy (LIBS), Analytical Letters, 55, 5, (2022), pp. 755–769
145. M. Pardede et al., High Sensitivity Hydrogen Analysis in Zircaloy-4 Using Helium-Assisted Excitation Laser-Induced Breakdown Spectroscopy, Scientific Reports, 11, 1, (2021), pp. 21999
144. M. Iqhrammullah et al., Cellulose Acetate-Polyurethane Film Adsorbent with Analyte Enrichment for In-Situ Detection and Analysis of Aqueous Pb using Laser-Induced Breakdown Spectroscopy (LIBS), Environmental Nanotechnology, Monitoring and Management, 16, (2021), pp. 100516
143. A. Khumaeni et al., Elemental Characterization of Human Blood using Laser-Induced Breakdown Spectroscopy Utilizing 355 nm Nd: YAG Operated at Reduced Pressure of He gas, Rasayan Journal of Chemistry, 14, 4, (2021) pp. 2413–2419
142. M. Pardede et al., Unusual Parallel Laser Irradiation for Suppressing Self-Absorption in Single Pulse Laser-Induced Breakdown Spectroscopy, Optics Express, 29, 14, (2021) pp. 22593-22602
141. N. Idris et al., Characteristics of laser-induced breakdown investigated by a compact, nongated optical multichannel analyzer system and its potential application, Heliyon, 6, 22, (2020) pp. e05711
140. I. Karnadi et al., Suppression of Self-Absorption in Laser-Induced Breakdown Spectroscopy Using a Double Pulse Orthogonal Configuration to Create Vacuum-like Conditions in Atmospheric Air Pressure, Scientific Reports, 10, 1, (2020) pp. 13278
139. I. Tanra et al., Rapid Powder Analysis with Laser-Induced Breakdown Spectroscopy at Low Pressure Ambient Helium Gas Employing Bamboo Charcoal as a Sample Holder, Journal of Laser Applications, 32, 3, (2020) pp. 032025
138. A.M. Marpaung et al., Emission Spectrochemical Analysis of Soft Samples including Raw Fish by Employing Laser-Induced Breakdown Spectroscopy with a Subtarget at Low-Pressure Helium Gas, ACS Omega, 5, 27, (2020) pp. 16811-16818
137. E. Jobiliong et al., Underlying Physical Processes for Time Dependent Variations of He Triplet and Singlet Intensities in Laser-Induced He Plasma, Journal of Applied Physics, 127, 24, (2020) pp, 0001395
136. M. lqhrammullah et al., Characterization and Performance Evaluation of Cellulose Acetate Polyurethane Film for Lead II Ion Removal, Polymers, 12, 6, (2020) pp. 1317
135. M. lqhrammullah et al., Filler-Modified Castor Oil-Based Polyurethane Foam for the Removal of Aqueous Heavy Metals Detected Using Laser-Induced Breakdown Spectroscopy (LIBS) Technique, Polymers, 12, 4, (2020) pp. 903
134. A. Khumaeni et al., Trace Metal Analysis of Element on Material Surface Using Pulse CO2 Laser-Induced Breakdown Spectroscopy Applying Vaporization Technique, Heliyon, 6, 8, (2020) pp. e04670
133. R. Hedwig et al., Suppression of Self-Absorption Effect in Laser-Induced Breakdown Spectroscopy by Employing a Penning-like Energy Transfer Process in Helium Ambient Gas, Optics Express, 28, 7, (2020) pp, 9259-9268
132. M.M. Suliyanti et al., Comparison of Excitation Mechanisms and the Corresponding Emission Spectra in Femto Second and Nano Second Laser-Induced Breakdown Spectroscopy in Reduced Ambient Air and Their Performances in Surface Analysis, Journal of Laser Applications, 32, 1, (2020) pp. 012014
131. A.M. Marpaung et al., Quantification of Rare Earth Elements with Low Pressure Laser Induced Breakdown Spectroscopy Employing Subtarget Supported Micro Mesh Sample Holder, Journal of Laser Applications, 31, 3, (2019) pp. 032001
130. M. Pardede et al., Underlying Physical Process for the Unusual Spectral Quality of Double Pulse Laser Spectroscopy in He Gas, Analytical Chemistry, 91, 12, (2019) pp. 7864-7870
129. A. Khumaeni et al., Laser Plasma Spectroscopy Using a Pulsed CO2 Laser for the Analysis of Carbon in Soil, Journal of Applied Spectroscopy, 86, 1, (2019) pp. 162-165
128. A. Jabbar et al., Analytical approach of laser-induced breakdown spectroscopy to detect elemental profile of medicinal plants leaves, Indonesian Journal of Chemistry, 19, 2, {2019) pp. 430- 440
127. R. Hedwig et al., Food Analysis Employing High Energy Nanosecond Laser and Low Pressure He Ambient Gas, Microchemical Journal, 147, (2019) pp. 356-364
126. M. Pardede et al., H-D Analysis Employing Energy Transfer From Metastable Excited-State He In Double-Pulse LIBS With Low-Pressure He Gas, Analytical Chemistry, 91, (2019) pp. 1571-1577
125. N. Idris et al., Enhancement of Carbon Detection Sensitivity in Laser Induced Breakdown Spectroscopy With Low Pressure Ambient Helium Gas, Spectrochimica Acta Part B: Atomic Spectroscopy, 151, (2019) pp. 26-32
124. A. Khumaeni et al., Pulsed CO2 laser-induced gas plasma spectroscopy based on single beam splitting for trace metal analysis on a material surface, Journal of Modern Optics, 65, 19, {2018) pp, 2229-2233
123. J. Iqbal et al., 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, Microchemical Journal, 142, {2018) pp. 108-116
122. M. Ramli et al., Sensitive in-situ Cr analysis with high resolution and minimal destructive effect using micro-joule picosecond laser generated plasma emission in open ambient air, Microchemical Journal, 139, {2018) pp. 327-332
121. N. Idris, et al., Shock wave plasma induced emission generated by low energy nanosecond Nd:YAG laser in open air and its application to quantitative Cr analysis of low alloy steel, AIP Advances, 8, 5, (2018) pp. 055121
120. H. Suyanto et al., Practical Soil Analysis by Laser Induced Breakdown Spectroscopy Employing Subtarget Supported Micro Mesh as a Powder Sample Holder, Spectrochimica Acta Part B: Atomic Spectroscopy, 137, {2017) pp. 59-63
119. S.N. Abdulmadjid et al., Low Pressure Micro-Joule Picosecond Laser-Induced Breakdown Spectroscopy and Its Prospective Applications to Minimally Destructive and High Resolution Analysis, Japanese Journal of Applied Physics, 56, {2017) pp. 096201-1-7
118. M. Ramli et al., Spectrochemical Abalysis of Cs in Water and Soil Using Low Pressure Laser Induced Breakdown Spectroscopy, Spectrochimica Acta Part B: Atomic Spectroscopy, 132, {2017) pp, 8-12
117. Z.S. Lie et al., H-D Analysis Employing Low-Pressures Microjoule Picosecond Laser-Induced Breakdown Spectroscopy, Analytical Chemistry, 89, 9, {2017) pp. 4951-4957
116. M. Pardede et al., Preferential Triplet Over Singlet Emission of Zn in Laser-Induced Plasmas, Japanese Journal of Applied Physics, 56, {2017) pp. 066101-7
115. A. Khumaeni et al., Rapid Detection of Oil Pollution in Soil by Using Laser-Induced Breakdown Spectroscopy, Plasma Science and Technology, 18, 12, {2016) pp. 1186-1191
114. R. Hedwig et al., Application of Picosecond Laser-Induced Breakdown Spectroscopy to Quantitative Analysis of Boron in Meatballs and Other Biological Samples, Applied Optics, 55, {2016) pp.
113. A.M. Marpaung et al., A Comparative Study of Emission Efficiencies in Low-Pressure Argon Plasmas Induced by Picosecond and Nanosecond Nd:YAG Lasers, Japanese Journal of Applied Physics, 55, {2016) pp. 116101.1-5
112. S.N. Abdulmadjid et al., Reply to "Comments on Sensitive Analysis of Carbon, Chromium and Silicone in Steel Using Picosecond Laser Induced Low Pressure Helium Plasma" by Zaytsev et al., Spectrochimica Acta Part B: Atomic Spectroscopy, 118, {2016) pp. 37-39
111. H. Suyanto et al., Signal Enhancement of Neutral He Emission Lines by Fast Electron Bombardment on Laser-Induced He Plasma, AIP Advances, 6, {2016) pp. 085105-1-7
110. S.N. Abdulmadjid et al., Evidence of Feasible Hardness Test on Mars Using Ratio of Ionic/ Neutral Emission Intensities Measured with Laser Induced Breakdown Spectroscopy in Low Pressure CO2 Ambient Gas, Journal of Applied Physics, 119, {2016) pp. 163304-1-6
109. K. Lahn a et al., Formation and Emission Characteristics of CN Molecules in Laser-Induced Low Pressure He Plasma and Its Application to N Analysis in Coal and Fossilization Study, Applied. Optics, 55, {2016) pp. 1731-1737
108. S1.N. Abdulmadjid et al., Sensitive Analysis of Carbon, Chromium and Silicone in Steel Using Picosecond Laser Induced Low Pressure Helium Plasma, Spectrochimica Acta Part B: Atomic Spectroscopy, 114, {2015) pp. 1-6
107. Z.S. Lie et al., Nanosecond Nd-YAG Laser Induced Plasma Emission Characteristics in Low Pressure CO2 Ambient Gas for Spectrochemical Application on Mars, Journal of Applied Physics, 118, {2015) pp. 083304-1-6
106. N. Idris et al., Excitation Mechanism in 1 mJ Picosecond Laser-Induced Low Pressure He Plasma and the Resulting Spectral Quality Enhancement, Journal of Applied Physics, 117, (2015) pp, 223301-1-6
105. M. Pardede et al., Quantitative and Sensitive Analysis of CN Molecules Using Laser Induced Low Pressure He Plasma, Journal of Applied Physics, 117, (2015) pp. 113302-1-7
104. E. Jobiliong et al., 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, Applied Spectroscopy, 69, {2015) pp. 115-123
103. K.H. Kurniawan et al., Practical and Highly Sensitive Elemental Analysis for Aqueous Sample Containing Metal Impurities Employing Electrodeposition on lndium-Tin-Oxyde Film Samples and Laser-Induced Shock Wave Plasma in Low-Pressure Helium Gas, Applied Optics, 54,{2015) pp, 7592-7597
102. K.H. Kurniawan et al., Review of Laser-Induced Plasma, Its Mechanism, and Application to Quantitative Analysis of Hydrogen and Deuterium, Applied Spectroscopy Review, 49, {2014) pp. 323-434
101. S.N. Abdulmadjid et al., 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, Applied Spectroscopy, 67, {2013) pp. 1285-1295
100. Z.S. Lie et al., Direct Evidence of Mismatching Effect on H Emission in Laser-InducedAtmospheric Helium Gas Plasma, Journal of Applied Physics, 113, {2013) pp. 053301-1-6
99. A. Khumaeni et al., Emission Characteristics of Ca and Mg Atoms in Gas Plasma Induced by the Bombardment of Transversely Atmospheric CO2 Laser at 1 atm, Japanese Journal of Applied Physics, 51, {2012) pp. 082403-1-9
98. Z.S. Lie et al., A Comprehensive Study of H Emission in TEA CO2 Laser-Induced Helium Gas Plasma for Highly Sensitive Analysis of Hydrogen in Metal Samples, Journal of the Korean Physical Society, 61, 1, {2012) pp. 49-54
97. H. Suyanto et al., Quantitative Analysis of Deuterium in Zircaloy Using Double-Pulse LaserInduced Breakdown Spectrometry (LIBS) and Helium Gas Plasma without a Sample Chamber, Analytical Chemistry, 84, 5, {2012) pp. 2224-2231
96. M.M. Suliyanti et al., Double Pulse Spectrochemical Analysis Using Orthogonal Geometry with Very Low Ablation Energy and He Ambient Gas, Spectrochimica Acta Part B: Atomic Spectroscopy, 869, 7, {2012) pp. 56-60
95. Z.S. Lie et al., Excitation Mechanism of H, He, C, and F Atoms in Metal-Assisted Atmospheric Helium Gas Plasma Induced by Transversely Excited Atmospheric - Pressure CO2 Laser Bombardment, Japanese Journal of Applied Physics, 50, {2011) pp. 122701 1-7
94. A.M. Marpaung e al., Deuterium Analysis in Zircaloy Using ps Laser-Induced Low Pressure Plasma, Jpurnal of A plied Physics, 110,6, {2011) pp. 063301 1-6
93. A. Khumaeni et al., Direct Analysis of Powder Samples Using Transversely Excited Atmospheric CO2 Laser-Induced Gas Plasma at 1 atm, Analytical and Bioanalytical Chemistry, 400, {2011) pp. 3279-3287
92. Z.S. Lie et al., Observation of Exclusively He-Induced H Emission in Cooled Laser Plasma, Journal of Applied Physics, 109, 10, (20 1) pp. 103305 1-4
91. M.M. Suliyanti et al., Direct Powder Analysis by Laser-Induced Breakdown Spectroscopy Utilizing Laser-Controlled Dust Production in a Small Chamber, Journal of the Korean Physical Society, 58,5, (2011) pp. 1129-1134
90. S.N. Abdulmadjid et al., Quantitative Deuterium Analysis of Titanium Samples in UV LaserInduced Low-Pressure Helium Plasma, Applied Spectroscopy, 64, 4, {2010) pp. 365-369
89. R. Hedwig et al., Toward Quantitative Deuterium Analysis with Laser-Induced Breakdown Spectroscopy Using Atmospheric-Pressure Helium Gas, Journal of Applied Physics, 107,2, {2010) pp. 023301 1-5
88. Z.S. Lie et al., Intensity Distributions of Enhanced H Emission from Laser-Induced LowPressure He Plasma and a Suggested He-Assisted Excitation Mechanism, Virtual Journal of Ultrafast Science, 8, 9, (2009) pp. 043303 1-6
87. M. Pardede et al., Crater Effects on H and D mission from Laser-Induced Low-Pressure Helium Plasma, Journal of Applied Physics, 106, 6, {2009) pp. 063303 1-6
86. Z.S. Lie et al., Intensity Distributions of Enhanced H Emission from Laser-Induced LowPressure He Plasma and a Suggested He-Assisted Excitation Mechanism, Journal of Applied Physics, 106,3, (2009) pp. 043303 1-6
85. K.H. Kurniawan et al., The Role of He in Enhancing the Intensity and Lifetime of H and D Emissions from Laser-Induced Atmospheric-Pressure Plasma, Journal of Applied Physics, 105,{2009) pp, 103303-1-6
84. N. Idris et al., Monitoring of Laser Processing Using Induced Current Under an Applied Electric Field on Laser Produced Plasma, The Journal of Materials Processing Technology, 209, 6, {2009) pp, 3009-3021
83. K.H. Kurniawan et al., Quenching of He-Induced Intensity Enhancement Effect in H and D Emission Produced by Nd-YAG Laser Irradiation on Solid Targets in Low Pressure Helium Gas, Journal of Applied Physics, 105, (2009) pp. 013301-1-7
82. A. Khumaeni et al., Demonstrations of the Action and Reaction Law and the Energy Conservation Law Using Fine Spherical Plastic Beads, Physics Education, 43, 6, {2008) pp. 637-643
81. A. Khumaeni et al., New Technique for the Direct Analysis of Food Powders Confined in a Small Hole Using Transversely Excited Atmospheric CO2 Laser-Induced Gas Plasma, Applied Spectroscopy, 62, 12, {2008) pp. 1344-1348
80. Z.S. Lie et al., Spectrochemical Analysis of Powder Using 355 nm Nd-YAG Laser-Induced Low Pressure Plasma, Analytical and Bioanalytical Chemistry, 390, 7, (2008) pp.' 1781-1787
79. M. Ramli et al., New Method of Laser Plasma Spectroscopy for Metal Samples Using Metastable He Atoms Induced by Transversely Excited Atmospheric Pressure CO2 Laser in He Gas at 1 atm., Japanese Journal of Applied Physics, 47, 3, (2008) pp. 1595-1601
78. Munadi et al., Study of Hydrogen and Deu erium Emission Characteristics in Laser Induced Low Pressure Helium Plasma for the Suppression of Surface Water Contamination, Analytical Chemistry, 80, 4, {2008) pp. 1240-1246
77. M. Ramli et al., Quantitative Hydrogen Analysis of Zircaloy-4 in Laser-Induced Breakdown Spectroscopy with Ambient Helium Gas, Applied Optics, 46, (2007) pp. 8298-8304
76. M. Pardede et al., Comparative Study of Laser-Induced Plasma Emission of Hydrogen from Zircaloy-2 Samples in Atmospheric and Low Pressure Ambient Helium Gas, Applied Physics B, 89, 2-3, {2007) pp, 291 – 298
75. M. Ramli et al., Hydrogen Analysis in Solid Samples by Utilizing Helium Metastable Atoms Induced by TEA CO2 Laser Plasma in Helium Gas at 1 Atmosphere, Spectrochimica Acta Part B: Atomic Spectroscopy, 62, 12, (2007) pp. 1379-1389
74. N. Idris et al., New Electrode Configuration for Measurements of the Induced Current from a Laser Plasma and Its Application to Monitoring Laser Processing, Journal of the Korean Physical Society, 51, 2, (2007) pp. 515-521
73. Y.I. Lee et al., Subtarget Effect in Film Analysis Using TEA CO2 Laser-Induced Plasma, Current Applied Physics, 7, 5, {2007) pp. 540-546
72. K.H. Kurniawan et al., Quantitative Hydrogen Analysis of Zircaloy-4 Using Low-Pressure Laser Plasma Technique, Analytical Chemistry, 79,7, {2007) pp. 2703-2707
71. M. Ramli et al., Some Notes on the Role of Meta-Stable Excited State of Helium Atom in LaserInduced Helium Gas Breakdown Spectroscopy, Applied Physics 8, 86, 4, {2007) pp. 729-734
70. R. Hedwig et al., Film Analysis Employing Subtarget Effect Using a 355 nm Nd-YAG LaserInduced Plasma at Low Pressure, Spectrochimica Acta Part 8: Atomic Spectroscopy, 861, (2006) pp, 1285-1293
69. K.H. Kurniawan et al., Effects of Mass Difference on Pressure-Dependent Emission Characteristics in Laser-Induced Plasma Spectroscopy, Applied Physics 8, 85, 4, {2006) pp.631-636
68. K.H. Kurniawan et al., Quantitative Analysis of Deuterium Using Laser-Induced Plasma at Low Pressure of Helium, Analytical Chemistry, 78, 16, {2006) pp. 5768-5773
67. K.H. Kurniawan & K. Kagawa, Hydrogen and Deuterium Analysis Using Laser-Induced Plasma Spectroscopy, Applied Spectroscopy Review, 41, 1, (2006) pp. 99-130
66. T.J. Lie et al., Elemental Analysis of Bead Samples Using a Laser-Induced Plasma at Low Pressure, Spectrochimica Acta Part 8: Atomic Spectroscopy, 61, 1, {2006) pp. 104-112
65. S.N. Abdulmadjid, et al., An Improved Approach for Hydrogen Analysis in Metal Samples Using Single Laser-Induced Gas Plasma and Target Plasma at Helium Atmospheric Pressure, Applied Physics 8, 82, 1, (2006) pp. 161-166
64. K. Tsuyuki et al., Measurement of Concrete Compressive Strength Using the Emission Intensity Ratio Between Ca (II) 396.8 nm and Ca (I) 422.6 nm in Nd-YAG Laser-Induced Plasma, Applied Spectroscopy, 60, 1, (2006) pp. 61-64
63. Y.I. Lee et al., Production of Artificial Snow Crystals in Summer or Under Tropical Conditions, Physics Update, 9, 1, {2005) pp. 38-42
62. K.H. Kurniawan et al., Detection of Deuterium and Hydrogen Using Laser-Induced Helium Gas Plasma at Atmospheric Pressure, Journal of Applied Physics, 98, 9, {2005) pp. 093302 1-3
61. M.M. Suliyanti et al., Preliminary Analysis of C and H in a "SANGIRAN" Fossil Using LaserInduced Plasma at Reduced Pressure, Journal of Applied Physics, 98,9, {2005) pp. 093307 1-8
60. M. Pardede et al., Hydrogen Analysis in Solid Samples Using Laser-Induced Helium Plasma at Atmospheric Pressure, Journal of Applied Physics, 98, 4, (2005) pp. 043105 1-5
59. N. Idris et al., Utilization of Confinement Effect on Solid Organic Samples on Spectrochemical Analysis Using TEA CO2 Laser Induced Plasma, Journal of the Korean Physical Society, 47, 2,{2005) pp, 256-262
58. W.S. 8udi et al., Effect of Focusing on Charge-Induced Current and Spectral Emission in a Plasma Generated by a Nd:YAG Laser at Low Pressures, Journal of Spectroscopical Society of Japan, 54, 3, {2005) pp. 170-175
57. M.M. Suliyanti et al., Plasma Emission Induced by an Nd-YAG Laser at Low Pressure on Solid Organic Sample, Its Mechanism and Analytical Application, Journal of Applied Physics, 97, 5,(2005) pp. 053305-1 – 9
56. J. Lie et I., Low Pressure Plasma Confined in a Miniature Cylindrical! Chamber and Its Application for In-situ Elemental Analysis, Japanese Journal of Applied Physics, 44, 1, {2005) pp. 202-209
55. N. Idris et al., Hydrogen Emission Induced by TEA CO2 Laser Bombardment on Solid Samples at Low Pressure and Its Analytical Application, Applied Spectroscopy, 59, 1, {2005) pp. 115-120
54. K.H. Kurniawan et al., Hydrogen Analysis of Zircalloy Tube Used in Nuclear Power Station Using Laser Plasma Techni ue, Journal of Applied Physics, 96, 11, {2004) pp. 6859-6862
53. N. Idris et al., Deutereum Emission in Laser Plasma Induced by Transversely Excited Atmospheric Pressure CO2 Laser in Low-Pressure of Helium Surrounding Gas, Japa ese Journal of Applied Physics, 43, 11A, (2004) pp. 7531-7535
52. M. Pardede et al., Dependence of the Charge Current Induced by Nd-YAGLaserBombardmenton the Surrounding Gas Pressure and Laser Pulse Energy, Japanese Journal of Applied Physics, 43, 11A, {2004) pp. 7524-7530
51. K.H. Kurniawan et al., Hydrogen Emission by Nd-YAG Laser-Induced Shock Wave Plasma and Its Application to the Q antitative Analysis of Zircalloy, Journal of Applied Physics, 96, 3, {2004) pp, 1301-1309
50. K. Kagawa et al., Carbon Analysis for Inspecting Carbonation of Concrete Using TEA CO2 Laser-Induced Plasma, Applied Spectroscopy, 58, 8, {2004) pp. 887-896
49. N. Idris et al., Characteristics of Hydrogen Emission in Laser Plasma Induced by Focusing Fundamental Q-sw YAG Laser on Solid Samples, Japanese Journal of Applied Physics, 43, 7A,(2004) pp. 4221-4228
48. H. Oki et al., Water Analysis by Laser-Induced Shock Wave Plasma Spectroscopy Using Re-crystallized KBr Powder Confined in a Cylindrical Tube, Japanese Journal of Applied Physics, 43, 3, {2004) pp, 1036-1037
47. K.H. Kurniawan et al., Emission Spectrochemical Analysis Using High Stability and High Repetition Rate Nitrogen Laser, Journal of Applied Spectroscopy, 71, 1, {2004) pp. 5-9
46. H. Suyanto et al., Hole-Modulated Plasma for Suppressing Background Emission in Laser-Induced Shock Wave Plasma Spectroscopy, Japanese Journal of Applied Physics, 42 , 8, {2003) pp, 5117-5122
45. S.N. Madjid et al., TEA-CO2 Laser-Induced Shock Wave Plasma Modulated by Wires and Needles Placed in front of the Target at Low Pressure, Applied Spectroscopy, 57, 7, {2003) pp. 874-877
44. S.N. Madjid et al., Spectrochemical Analysis Using Low Background Laser Plasma Induced by Nd-YAG Laser at Low Pressure, Japanese Journal of Applied Physics, 42, 6A, {2003) pp. 3452-3457
43. R. Hedwig et al., Confinement Effect in Enhancing Shock Wave Plasma Generation at Low Pressure by TEA CO2 Laser Bombardment on Quartz Sample, Spectrochimica Acta Part 8: Atomic Spectroscopy, 58, 3, {2003) pp. 531-542
42. M. Pardede et al., Direct Measurement of Charge Current by Employing a Mesh Electrode in the Laser Plasma Induced by Nd-YAG Laser at Low Pressure (I), Applied Spectroscopy, 56, 8, {2002) pp, 994-999
41. H. Suyanto et al., Direct Analysis of Powder Samples by Laser Plasma Method Using Confinement Technique, Spectrochimica Acta Part B: Atomic Spectroscopy, 57, 8, {2002) pp. 1325-1332
40. S.N. Madjid et al., Shock Wave and Emission with Sheet-Like Structure Induced by YAG Laser Ablation at Reduced Pressure, Japanese Journal of Applied Physics, 41 6A, {2002) pp. 3747-3751
39. R. Hedwig et al., Confinement Effect of Primary Plasma on Glass Sample Induced by Irradiation of Nd-YAG Laser at Low Pressures, Ja12anese Journal of Applied Physics, 40 10, {2001) pp. 5938-5941
38. M. Pardede et al., Spectrochemical Analysis of Metal Elements Electrodeposited From Water Sample by Laser Induced Shock Wave Plasma Spectroscopy, Applied Spectroscopy, 55, 9,{2001) pp, 1229-1236
37. K.H. Kurniawan et al., Application of Primary Plasma Standardization to Nd-YAG Laser-Induced Shock-Wave Plasma Spectrometry for Quantitative Analysis of High Concentration Au-Ag-Cu Alloy, Spectrochimica Acta Part 8: Atomic Spectroscopy, 856, 9, {2001) pp. 1407-1417
36. Y. Suwa et al., A New Method for Producing Snow Crystals Using a Mixture of Salt and Ice, Physics Education, 36, 4, (2001) pp. 293-298
35. H.H. Myint et al., Water Droplet Lens Microscope and Microphotographs, Physics Education, 36, 2, {2001) pp, 97-101
34. A.M. Marpaung et al., Comprehensive Study on the Pressure Dependence of Shock Wave Plasma Generation Under TEA CO2 Laser Bombardment on Metal Sample, Journal of Physics D: Applied Physics, 34, 5, {2001) pp. 758-771
33. K.H. Kurniawan et al., Low-Background Laser Plasma Induced by Nd-YAG Laser at Low Pressures, Japanese Journal of Applied Physics, 40, 1, {2001) pp. 188-194
32. Koo H. Kurniawan et al., Detection of Density Jump in Laser-Induced Shock-Wave Plasma Using Rainbow Refractometer, Applied Spectroscopy, 55, 1, {2001) pp. 92-97
31. W.S. Budi et al., Bending of Shock Wave Plasma Induced by Q-switched Nd-YAG Laser at Low Pressures, The Review of Laser Engineering, 29, 3, {2001) pp. 180-183
30. K.H. Kurniawan et al., Detection of the Density Jump in the Laser Induced Shock Wave Plasma Using Low Energy Nd-YAG Laser at Low Pressure of Air, Journal of Spectroscopical Society of Japan, 50, 1, {2001) pp. 13-18
29. A.M. Marpaung et al., Shock Wave Plasma Induced by TEA CO2 Bombardment on Glass Samples at High Pressures, Spectrochimica Acta Part B: Atomic Spectroscopy, 855, 10, {2000) pp, 1591-1599
28. K.H. Kurniawan et al., Laser-Induced Shock Wave Plasma Spectrometry Using a Small Chamber Designed for in Situ Analysis, Spectrochimica Acta Part B: Atomic Spectroscopy, 855, 7, {2000) pp, 839-848
27. A.M. Marpaung et al., Selective Vaporization in Q-sw Nd-YAG Laser Induced Shock Wave Plasma at Low Pressures, The Review of Laser Engineering, 28, 7, {2000) pp. 435-440
26. A.M. Marpaung et al., Coincidence of Density Jump and the Front of Plasma Emission Induced by TEA CO2 Laser Bombardment at Low and High Pressures, Japanese Journal of Applied Physics, 39, 68, {2000) pp. L601-L603
25. K. Kagawa et al., Subtarget Effect on Laser Plasma Generated by Transversely Excited Atmospheric CO2 Laser at Atmospheric Gas Pressures, Japanese Journal of Applied Physics, 39, 1, 5A, {2000) pp. 2643-2646
24. W.S. Budi et al., Neutral and Ionic Emission in Q-sw Nd-YAG Laser Induced Shock Wave Plasma, Applied Spectroscopy, 53, 11, {1999) pp. 1347-1351
23. W.S. Budi et al., Shock Excitation and Cooling Stage in the Laser Plasma Induced by a Q- switched Nd:YAG Laser at Low Pressures, Applied Spectroscopy, 53, 6, {1999) pp. 719-730
22. M.M. Suliyanti et al., The Role of a Sub-Target in the TEA CO2 Laser-Induced Shock Wave Plasma, Japanese Journal of Applied Physics, 37, 12, (1998) pp. 6628-6632
21. K. Kagawa & K.H. Kurniawan, Laser Induced Shock-Wave Plasma Spectroscopy, Research Trends: Trends in Applied Spectroscopy, Research Trends, India, Eds. R.M. Barnes and M.W. Blades, vol. 2, {1998) pp. 1-36
20. K.H. Kurniawan et al., The Effect of Selective Vaporization on the TEA CO2 Laser-Induced Shock-Wave Plasma, Journal of Spectroscopical Society of Japan, 47, 5, {1998) pp. 220-227
19. H.Hattori et al., Liquid Refractometry by the Rainbow Method, Applied Optics, 37, 19, {1998) pp. 4123-4129
18. K.H Kurniawan et al., Characteristics of the Secondary Plasma Induced by Focusing a 10 mJ XeCI laser Pulse at Low Pressures, Applied Spectroscopy, 51, 12, {1997) pp. 1769-1780
17. K.H. Kurniawan et al., Characteristics of a Laser Plasma Induced by Irradiation of a Normal Oscillation AG Laser at Low Pressures, Journal of Physics D: Applied Physics, 30, {1997) pp. 3335-3345
16. K.H. Kurniawan & K. Kagawa, Laser-Induced Shock Wave Plasma Using Long-Pulse YAG Laser, Applied Spectroscopy, 51, 3, {1997) pp. 304-308
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