Rinda Hedwig

1. K.H. Kurniawan, M. Pardede, R. Hedwig, S.N. Abdulmadjid, K. Lahna, N. Idris, E. Jobiliong, H. Suyanto, M.M. Suliyanti, M.O. Tjia, T.J. Lie, Z.S. Lie, D.P. Kurniawan, and K. Kagawa, Practical and Highly Sensitive Elemental Analysis for Aqueous Samples Containing Metal Impurities Emploing Electrodeposition on Indium-Tin Oxide Film Samples and Laser-Induced Shock Wave Plasma in Low Pressure Helium Gas, Applied Optics, 54, 25 (2015) pp. 7592-7597.
2. N. Idris, K. Lahna, S.N. Madjid, M. Ramli, H. Suyanto, A.M. Marpaung, M. Pardede, E. Jobiliong, R. Hedwig, M.M. Suliyanti, Z.S. Lie, T.J. Lie, K. Kagawa, M.O. Tjia, and K.H. Kurniawan, Excitation Mechanisms in 1 mJ Picosecond Laser Induced Low Pressure Helium Plasma and the Resulting Spectral Quality Enhancement, Journal of Applied Physics, 117 (2015) pp. 223301-1 – 223301-8.
3. R.B. Mulia, S. King, Y.H. Budiawan, L.S. Tanutama, and R. Hedwig, Real Time Global Positioning System (GPS) Tracking Implementation Using Android and Web Based System, Internetworking Indonesia Journal, 7, 1B (2015) pp. 9-12.
4. A. Yang, A.N. Hadinata, F. Salim, E. Oey and R. Hedwig, Face Verification by Using Sparse Representation Algorithm in Compressive Sensing, Internetworking Indonesia Journal, 7, 1B (2015) pp. 25-29.
5. M. Pardede, R. Hedwig, S.N. Abdulmadjid, K. Lahna, N. Idris, E. Jobiliong, H. Suyanto, A.M. Marpaung, M.M. Suliyanti, M. Ramli, M.O. Tjia, T.J. Lie, Z.S. Lie, D.P. Kurniawan, K.H. Kurniawan, and K. Kagawa, Quantitative and Sensitive Analysis of CN Molecules Using Laser Induced Low Pressure Helium Plasma, Journal of Applied Physics, 117, 11 (2015), pp. 113302-1 – 113302-7.
6. E. Jobiliong, H. Suyanto, A.M. Marpaung, S.N. Abdulmadjid, N. Idris, R. Hedwig, M. Ramli, M. Pardede, M.M. Suliyanti, K. Kagawa, K. Fukumoto, M.O. Tjia, T.J. Lie, Z.S. Lie, K.H. Kurniawan, Spectral and Dynamical Characteristics of He Plasma Emission and Its Effect on Laser-Ablated Target Emission in Double-Pulse Laser-Induced Breakdown Spectroscopy (LIBS) Experiment, Applied Spectroscopy, 69, 1 (2015), pp. 115-123(9).
7. Y. Gerdisen, V. solid, O. Wahyudi, D.P. Hutabarat, and R. Hedwig, Human Tracking in a Certain Closed Area based on Global Positioning System (GPS), Internetworking Indonesia Journal, 6, 1B (2014) pp. 3-6.
8. E. Oey, E. Junius, R. Alfiansyah, and R. Hedwig, Image Denoising by Enhancing K-SVD Algorithm, Internetworking Indonesia Journal, 5, 2B (2013) pp. 9-13.
9. S.N. Abdulmadjid, N. Idris, A.M. Marpaung, M. Pardede, E. Jobiliong, R. Hedwig, M.M. Suliyanti, M. Ramli, H. Suyanto, K. Kagawa, M.O. Tjia, Z.S. Lie, T.J. Lie, and K.H. Kurniawan, 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, Appl. Spectrosc. 67, 11 (2013) pp. 1285 – 1295.
10. R. Wijaya, J.M. Kerta, and R. Hedwig, Influences of Wireless Traffic toward WiFi Performance: Case Study at BINUS Square – Jakarta, Internetworking Indonesia Journal, 5, 1 (2013) pp. 37-41.
11. Z.S. Lie, M.O. Tjia, R. Hedwig, M.M. Suliyanti, S.N. Abdulmadjid, N. Idris, A.M. Marpaung, M. Pardede, E. Jobiliong, M. Ramli, H. Suyanto, K. Fukumoto, K. Kagawa, and K.H. Kurniawan, Direct Evidence of Mismatching Effect on H Emission in Laser-Induced Atmospheric Helium Gas Plasma, J. Appl. Phys., 113, 5 (2013) pp. 053301-1 – 6.
12. J. Linggarjati and R. Hedwig, Manually Interchangeable Heads of Homemade Computer Numerical Control (CNC) Machine, Internetworking Indonesia Journal, 4, 1 (2012) pp. 19-21.
13. R.K. Romadhon, M. Ilham, N.I. Munawar, S. Tan, and R. Hedwig, Android-Based License Plate Recognition Using Pre-trained Neural Network, Internetworking Indonesia Journal, 4, 1 (2012) pp. 15-18.
14. Z.S. Lie, A. Khumaeni, H. Niki, K. Kurihara, K.H. Kurniawan, R. Hedwig, K. Fukuimoto, K. Kagawa, and Y.I. Lee, 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.
15. M.M. Suliyanti, A.N. Hidayah, M. Pardede, E. Jobiliong, S.N. Abdulmadjid, N. Idris, M. Ramli, T.J. Lie, R. Hedwig, M.O. Tjia, K.H. Kurniawan, Z.S. Lie, H. Niki, and K. Kagawa, Double Pulse Spectrochemical Analysis Using Orthogonal Geometry With Very Low Ablation Energy and He Ambient Gas, Spectro. Acta B, 69 (2012) pp. 56-60.
16. H. Suyanto, Z.S. Lie, H. Niki, K. Kagawa, K. Fukumoto, R. Hedwig, S.N. Abdulmadjid, A.M. Marpaung, M. Pardede, M.M. Suliyanti, A.N. Hidayah, E. Jobiliong, T.J. Lie, M.O. Tjia, and K.H. Kurniawan, Quantitative Analysis of Deuterium in Zircaloy Using Double-Pulse Laser-Induced Breakdown Spectrometry (LIBS) and Helium Gas Plasma without a Sample Chamber, Anal. Chem., 84, 5 (2012) pp. 2224-2231.
17. A.M. Marpaung, Z.S. Lie, H. Niki, K. Kagawa, K. Fukumoto, M. Ramli,. S.N. Abdulmadjid, N. Idris, R. Hedwig, M.O. Tjia, M. Pardede, M.M. Suliyanti, E. Jobiliong, K.H. Kurniawan, Deuterium Analysis in Zircaloy using ps Laser-Induced Low Pressure Plasma, J. Appl. Phys., 110, (2011) pp. 063301 1-6.
18. Z.S. Lie, H. Niki, K. Kagawa, M.O. Tjia, R. Hedwig, M. Pardede, E. Jobiliong, M.M. Suliyanti, S.N. Abdulmadjid, K.H. Kurniawan, Observation of Exclusively He-Induced H Emission in Cooled Laser Plasma, J. Appl. Phys., 109, 10 (2011) pp. 103305 1-4.
19. S.N. Abdulmadjid, Z.S. Lie, H. Niki, M. Pardede, R. Hedwig, T.J. Lie, E. Jobiliong, K.H. Kurniawan, K. Fukumoto, K. Kagawa, M.O. Tjia, Quantitative Deuterium Analysis of Titanium Samples in UV Laser-Induced Low-Pressure Helium Plasma, Appl. Spectrosc. 64, 4 (2010) pp. 365-369.
20. R. Hedwig, Z.S. Lie, K.H. Kurniawan, A.N. Chumakov, K. Kagawa, M.O. Tjia, Toward Quantitative Deuterium Analysis with Laser-Induced Breakdown Spectroscopy Using Atmospheric-Pressure Helium Gas, J. Appl. Phys. 107, 2 (2010) pp. 023301 1-5.
21. Z.S. Lie, M. Pardede, R. Hedwig, M.M. Suliyanti, E. Steven, Maliki, Koo H. Kurniawan, M. Ramli, S.N. Abdulmadjid, N. Idris, K. Lahna, K. Kagawa and M.O. Tjia, Intensity Distributions of Enhanced H Emission from Laser-Induced Low-Pressure He Plasma and a Suggested He-Assisted Excitation Mechanism, Virtual J. of Ultrafast Sci. 8, 9 (2009) pp. 043303 1-6.
22. Z.S. Lie, M. Pardede, R. Hedwig, M.M. Suliyanti, E. Steven, Maliki, Koo H. Kurniawan, M. Ramli, S.N. Abdulmadjid, N. Idris, K. Lahna, K. Kagawa and M.O. Tjia, Intensity Distributions of Enhanced H Emission from Laser-Induced Low-Pressure He Plasma and a Suggested He-Assisted Excitation Mechanism, J. Appl. Phys., 106, 3 (2009) pp. 043303 1-6.
23. Koo H. Kurniawan, T.J. Lie, M.M. Suliyanti, R. Hedwig, M. Pardede, M. Ramli, H. Niki, S.N. Abdulmadjid, N. Idris, K. Lahna, Y. Kusumoto, K. Kagawa, M.O. Tjia, The Role of He in Enhancing the Intensity and Lifetime of H and D Emissions from Laser-Induced Atmospheric-Pressure Plasma, J. Appl. Phys. 105 (2009) pp. 103303-1-6.
24. Zener S. Lie, M. Pardede, R. Hedwig, M.M. Suliyanti, K.H. Kurniawan, Munadi, Y.I. Lee, K. Kagawa, I. Hattori, M.O. Tjia, Spectrochemical Analysis of Powder Using 355 nm Nd-YAG Laser-Induced Low Pressure Plasma, Anal and Bioanal. Chem, 390, 7 (2008) pp. 1781-1787.
25. Munadi, M. Pardede, R. Hedwig, M.M. Suliyanti, T.J. Lie, Z.S. Lie, Koo H. Kurniawan, K. Kagawa, M. Ramli, K. Fukumoto, T. Maruyama, M.O. Tjia, Study of Hydrogen and Deuterium Emission Characteristics in Laser Induced Low Pressure Helium Plasma for the Suppression of Surface Water Contamination, Anal. Chem. 80, 4 (2008) pp. 1240-1246.
26. M. Ramli, K. Fukumoto, H. Niki, S.N. Abdulmadjid, N. Idris, T. Maruyama, K. Kagawa, M.O. Tjia, M. Pardede, K.H. Kurniawan, R. Hedwig, Z.S. Lie, T.J. Lie, D.P. Kurniawan, Quantitative Hydrogen Analysis of Zircaloy-4 in Laser-Induced Breakdown Spectroscopy with Ambient Helium Gas, Appl. Opt. 46 (2007) pp. 8298-8304.
27. M. Pardede, R. Hedwig, M.M. Suliyanti, Z.S. Lie, T.J. Lie, D.P. Kurniawan, K.H. Kurniawan, M. Ramli, K. Fukumoto, H. Niki, S.N. Abdulmadjid, N. Idris, T. Maruyama, K. Kagawa, M.O. Tjia, Comparative Study of Laser-Induced Plasma Emission of Hydrogen from Zircaloy-2 Samples in Atmospheric and Low Pressure Ambient Helium Gas, Appl. Phys. B. 89, 2-3 (2007) pp. 291 - 298.
28. K.H. Kurniawan, M. Pardede, R. Hedwig, Z.S. Lie, T.J. Lie, D.P. Kurniawan, M. Ramli, K. Fukumoto, H. Niki, S.N. Abdulmadjid, N. Idris, T. Maruyama, K. Kagawa, M.O. Tjia, Quantitative Hydrogen Analysis of Zircaloy-4 Using Low-Pressure Laser Plasma Technique, Anal. Chem. 79, 7 (2007) pp. 2703-2707.
29. M. Ramli, K. Kagawa, S.N. Abdulmadjid, N. Idris, W.S. Budi, M.A. Marpaung, K.H. Kurniawan, T.J. Lie, M.M. Suliyanti, R. Hedwig, M. Pardede, Z.S. Lie, M.O. Tjia, Some Notes on the Role of Meta-Stable Excited State of Helium Atom in Laser-Induced Helium Gas Breakdown Spectroscopy, Appl. Phys. B. 86, 4 (2007) pp. 729-734.
30. R. Hedwig, W.S. Budi, S.N. Abdulmadjid, M. Pardede, M.M. Suliyanti, T.J. Lie, D.P. Kurniawan, Koo H. Kurniawan, K. Kagawa, M.O. Tjia, Film Analysis Employing Subtarget Effect Using a 355 nm Nd-YAG Laser-Induced Plasma at Low Pressure, Spectrochim. Acta B, 61 (2006) pp.1285-1293.
31. Koo H. Kurniawan, T.J. Lie, M. Pardede, R. Hedwig, M.M. Suliyanti, S.N. Abdulmadjid, Y.I. Lee, K. Kagawa, Effects of Mass Difference on Pressure-Dependent Emission Characteristics in Laser-Induced Plasma Spectroscopy, Appl. Phys. B. 85, 4 (2006) pp. 631-636.
32. Koo H. Kurniawan, T.J. Lie, M.M. Suliyanti, R. Hedwig, M. Pardede, Davy P. Kurniawan, Y. Kusumoto, K. Kagawa, Quantitative Analysis of Deuterium Using Laser-Induced Plasma at Low Pressure of Helium, Anal. Chem. 78, 16(2006) pp. 5768-5773.
33. S.N. Abdulmadjid, M.M. Suliyanti, Koo H. Kurniawan, T.J. Lie, M. Pardede, R. Hedwig, K. Kagawa, M.O. Tjia, An Improved Approach for Hydrogen Analysis in Metal Samples Using Single Laser-Induced Gas Plasma and Target Plasma at Helium Atmospheric Pressure, Appl. Phys. B. 82, 1 (2006) pp. 161-166.
34. Koo H. Kurniawan, T.J. Lie, M.M. Suliyanti, R. Hedwig, S.N. Abdulmadjid, M. Pardede, N. Idris, T. Kobayashi, Y. Kusumoto, K. Kagawa, M.O. Tjia, Detection of Deuterium and Hydrogen Using Laser-Induced Helium Gas Plasma at Atmospheric Pressure, J. Appl. Phys. 98, 9 (2005) pp. 093302 1-3.
35. M.M. Suliyanti, S. Sardy, A. Kusnowo, M. Pardede, R. Hedwig, Koo H. Kurniawan, T.J. Lie, Davy P. Kurniawan, K. Kagawa, Preliminary Analysis of C and H in a "SANGIRAN" Fossil Using Laser-Induced Plasma at Reduced Pressure, J. Appl. Phys. 98, 9 (2005) pp. 093307 1-8.
36. M. Pardede, Koo H. Kurniawan, T.J. Lie, R. Hedwig, N. Idris, T. Kobayashi, T. Maruyama, Y.I. Lee, K. Kagawa and M.O. Tjia, Hydrogen Analysis in Solid Samples Using Laser-Induced Helium Plasma at Atmospheric Pressure, J. Appl. Phys., 98, 4 (2005) pp.043105 1-5.
37. M.M. Suliyanti, S. Sardy, A. Kusnowo, R. Hedwig, S.N. Abdulmadjid, Koo H. Kurniawan, T.J. Lie, M. Pardede, K. Kagawa, M.O. Tjia, Plasma Emission Induced by an Nd-YAG Laser at Low Pressure on Solid Organic Sample, Its Mechanism and Analytical Application, J. Appl. Phys. 97, 5 (2005) pp. 053305-1 - 9.
38. T.J. Lie, Koo H. Kurniawan, R. Hedwig, M. Pardede, M.O. Tjia, N. Idris, T. Kobayashi, Y.I. Lee, K. Kagawa, Low Pressure Plasma Confined in a Miniature Cylindricall Chamber and Its Application for In-situ Elemental Analysis, Jpn. J. Appl. Phys., 44, 1 (2005) pp. 202-209.
39. N. Idris, Koo H. Kurniawan, T.J. Lie, T. Kobayashi, M. Pardede, H. Suyanto, R. Hedwig, K. Kagawa and T. Maruyama, Characteristics of Hydrogen Emission in Laser Plasma Induced by Focusing Fundamental Q-sw YAG Laser on Solid Samples, Jpn. J. Appl. Phys., 43, 7A (2004) pp. 4221-4228.
40. R. Hedwig, T.J. Lie, M.O. Tjia, K. Kagawa and Koo H. Kurniawan: Confinement Effect in Enhancing Shock Wave Plasma Generation at Low Pressure by TEA CO2 Laser Bombardment on Quartz Sample, Spectrochim. Acta Part B: At. Spectrom. 58, 3 (2003) pp. 531-542.
41. R. Hedwig, Koo H. Kurniawan, K. Kagawa: Confinement Effect of Primary Plasma on Glass Sample Induced by Irradiation of Nd-YAG Laser at Low Pressures, Jpn. J. Appl. Phys. 40 10 (2001) pp. 5938-5941.
42. A.M. Marpaung, R. Hedwig, M. Pardede, T.J. Lie, M.O. Tjia, K. Kagawa, Koo H. Kurniawan: Shock Wave Plasma Induced by TEA CO2 Bombardment on Glass Samples at High Pressures, Spectrochim. Acta Part B; At. Spectrom. B55, 10 (2000) pp. 1591-1599.
43. A.M. Marpaung, M. Pardede, R. Hedwig, Koo H. Kurniawan, T.J. Lie and K. Kagawa: Coincidence of Density Jump and the Front of Plasma Emission Induced by TEA CO2 Laser Bombardment at Low and High Pressures, Jpn. J. Appl. Phys., 39, 6B (2000) pp. L601-L603.
44. K. Kagawa, T.J. Lie, R. Hedwig, S. Nur Abdulmajid, M.M. Suliyanti and Koo H. Kurniawan: Subtarget Effect on Laser Plasma Generated by Transversely Excited Atmospheric CO2 Laser at Atmospheric Gas Pressures, Jpn. J. Appl. Phys., 39, 1, 5A (2000) pp. 2643-2646.
45. M.M. Suliyanti, Rinda, Koo H. Kurniawan and K. Kagawa: The Role of a Sub-Target in the TEA CO2 Laser-Induced Shock Wave Plasma, Jpn. J. Appl.Phys. 37, 12 (1998) pp. 6628-6632.