Dr T.W. Ng's
PERSONAL HOMEPAGE

Imagination is more important than knowledge - Albert Einstein.

Biography Research Education Recreation Service Awards/Honours

Journal Publications Up One Level

  1. T.W. Ng, Y. Yu, H.Y. Tan, A. Neild, Capillary wells microplate. Applied Physics Letters. Accepted 9 October 2008.
  2. T.W. Ng, A. Tay, Y. Wang, Spot focus size effect in spectroscopic ellipsometry of thin films, Optics Communications. Accepted 22 September 2008.
  3. H.Y. Tan, T.W. Ng, O.W. Liew, Filterless fluorometry with enhanced sensitivity, Journal of Fluorescence Accepted 10 September 2008.
  4. H.Y. Tan, T.W. Ng, O.W. Liew, Adapted LCD backlighting unit for densitometry of stained polyacrylamide electrophoresis gels. Electrophoresis. Accepted 5 September 2008.
  5. H.Y. Tan, T.W. Ng, LED inspection using a flatbed scanner. Optical Engineering. Accepted 20 August 2008.
  6. T.W. Ng, Evaluation of kinematic coupling stability via centroid tracking of a lighted pinhole, Precision Engineering. Accepted 21 May 2008.
  7. A. Tay, T.W. Ng, Y. Wang, S. Zhao, Direct measurement of beam size in a spectroscopic ellipsometry setup, Review of Scientific Instruments. Accepted 6 May 2008.
  8. B. Bhaduri, A. Neild, T.W. Ng, Directional Brownian diffusion dynamics in carbon nanofibers, Applied Physics Letters. 92 (2008) 084105.
  9. T.W. Ng, A. Neild, P. Heeraman, Continuous and fast sorting of Brownian particles, Optics Letters. 33 (2008) 584-586.
  10. H.Y. Tan, T.W. Ng, Accurate step wedge calibration for densitometry of electrophoresis gels. Optics Communications. 281: (2008) 3013-3017.
  11. T.W. Ng, M. Carne, Optical mouse digital speckle correlation. Optics Communications. 280 : 2 (2007) 435-437.
  12. T.W. Ng, Optical inspection of ball bearing defects. Measurement Science & Technology. 18:9 (2007) N73-N76.
  13. T.W.Ng, S. Thirunavukkarasu, Optical sensing limits in contact and bending mode atomic force microscopy. Experimental Mechanics. 47: 6 (2007) 841-844.
  14. T.W. Ng, Hardness evaluation with an optical ring light. Optics Letters. 32: 7 (2007) 775-777.
  15. H.Y. Tan, T.W. Ng, O.W. Liew, Light spectrum in flatbed scanner densitometry of stained polyacrylamide electrophoresis gels. BioTechniques 42: 4 (2007) 474-478.
  16. T.W. Ng, T.L. Cheong, J. Sheridan, Digital readout manometer using an optical mouse. European Journal of Physics 28 (2007) N11-N16
  17. T.W. Ng, H.Y. Tan, S.L. Foo, Small Gaussian laser beam diameter measurement using a quadrant photodiode. Optics and Laser Technology 39, (2006) 1098-1100 Article (PDF)
  18. D. Feuermann, J.M. Gordon, T.W. Ng, Near- field dielectric optics near the thermodynamic limit. Optical Engineering 45, (2006) 080504 Article (PDF)
  19. T.W. Ng, Arthur Tay, C.J. Ong, Simple tilt and height location monitoring of wafers. Optical Engineering 45, (2006) 053603 Article (PDF)
  20. T.W. Ng, S. Thirunavukkarasu, Cantilever deflection profile in scanning probe microscopy. European Journal of Physics 27, (2006) 969-973. Article (PDF)
  21. D. Feuermann, J.M. Gordon, T.W. Ng, Photonic surgery with non-coherent light. Applied Physics Letters 88, (2006) 114104 Article (PDF)
  22. T.W. Ng, T.S. Lim, Monitoring in-machine rotary indexer using electronic speckle correlation. Journal of Holography and Speckle 2, (2005) 80-83. Article (PDF)
  23. T.W. Ng, K.T. Ang, G. Argentini, Temporal fringe pattern analysis with parallel computing. Applied Optics 44, (2005) 7125-7129. Article (PDF)
  24. T.W. Ng, K.T. Ang, Fourier transform method of data compression and temporal fringe pattern analysis. Applied Optics 44, (2005) 7043-7049. Article (PDF)
  25. T.W. Ng, K.T. Ang, Data compression for digital speckle correlation temporal fringe pattern analysis. Applied Optics 44, (2005) 2799-2804. Article (PDF)
  26. T.W. Ng, S.L. Foo, H.Y. Tan, Gaussian laser beam diameter measurement using a quadrant photodiode. Review of Scientific Instruments 76, (2005) 065110. Article (PDF)
  27. T.W. Ng, K.T. Ang The optical mouse for harmonic oscillator experimentation. American Journal of Physics 73, (2005) 793. Article (PDF)
  28. T.W. Ng, An experiment on the gyroscopic effect. Experimental Techniques 29, (2005) 22-25. Article (PDF)
  29. T.W. Ng, W.K. Yeong, Inexpensive color evaluation of dye-based pressure sensitive films for plantar studies. Journal of Biomechanics 38, (2005) 2130-2133. Article (PDF)
  30. T.W. Ng, K.K. Cheong, S.H.Lau, Electronic speckle correlation for planar placement integrity assessment. Journal of Holography and Speckle 1, (2004) 90-94. Article (PDF)
  31. T.W. Ng, Measuring viscoelastic deformation with an optical mouse. Journal of Chemical Education 81, (2004) 1628-1629. Article (PDF)
  32. T.W. Ng, K.T. Ang, Vibratory motion sensing using the optical mouse. Sensors and Actuators A 116, (2004) 205-208. Article (PDF)
  33. T.W. Ng, R. Nallathamby, Optical evaluation of ingot fixity in semiconductor wafer slicing. Optics and Laser Technology 36, (2004) 641-645. Article (PDF)
  34. T.W. Ng, S.H.Lau, Wafer location integrity in aluminum metallization. Microelectronic Engineering 75, (2004) 172-176. Article (PDF)
  35. T.W. Ng, C.S. Lim, Magnetic force sensing device based on electronic speckle correlation out-of-plane displacement measurement. Journal of Holography and Speckle 1, (2004) 58-62. Article (PDF)
  36. T.W. Ng, A slider-crank experiment to determine the action of static forces. International Journal of Mechanical Engineering Education, 31, 4 (2004): 317-326. Article (PDF)
  37. T.W. Ng, T.L. Cheong, The optical mouse as an inexpensive region-of-interest position recorder in optical microscopy. Microscopy Reserach and Technique, 63, (2004): 203-205. Article (PDF)
  38. T.W. Ng, O. Sasaki, H.T. Chua, Resolution analysis of atomic force microscopy using temporal phase modulation interferometry. Optical Engineering, 43, 1 (2004): 75-78. Article (PDF)
  39. T.W. Ng, C W Ng, Optical sensor for semiconductor chip bonding. Optical Engineering, 42, 12 (2003): 3572-3574. Article (PDF)
  40. T.W. Ng, P K Quek and K H Lim, Phase shifting photoelasticity using a flatbed scanner. Optical Engineering, 42, 8 (2003): 2375-2379. Article (PDF) (Front page feature in Optical Engineering)
  41. T.W. Ng, ESPI with structured illumination. Optics and Lasers in Engineering, 40, (2003): 553-561. Article (PDF)
  42. T.W. Ng and H K Sin, Hard disk wobble detection using optical triangulation and TDI imaging. Optical Engineering, 42, 4 (2003): 935-938. Article (PDF)
  43. T.W. Ng, The optical mouse as a two-dimensional displacement sensor. Sensors and Actuators A, 107, 1 (2003): 21-25. Article (PDF)
  44. T.W. Ng, A membrane stress experiment with drinking cans. International Journal of Mechanical Engineering Education, 30, 3 (2002): 227-232. Article (PDF)
  45. T.W. Ng and A Tajuddin, Shadow moire topography using a flatbed scanner. Optical Engineering, 41, 8 (2002) 1908-1911. Article (PDF)
  46. T.W. Ng, A single-plane rotating imbalance experiment. International Journal of Mechanical Engineering Education, 30, 2 (2002): 165-170. Article (PDF)
  47. T.W. Ng and W B Yong, Monitoring building shift using a robust speckle correlation encoder scheme. Measurement Science Technology, 13 (2002): 803-806. Article (PDF)
  48. T.W. Ng, T W Teo and P Rajendra, Optical surface roughness evaluation of phosphorus doped polysilicon films. Optics and Lasers in Engineering, 35, 1 (January 2001): 1-9. Article (PDF)
  49. T.W. Ng and A Tajuddin, Measuring the illumination angle of a flatbed scanner. Optical Engineering, 40, 3 (March 2001): 415-417. Article (PDF)
  50. T.W. Ng and S C Yeo, Aesthetic Laser Marking Assessment Using Luminance Ratios. Optics and Lasers in Engineering, 35 (2001): 177-186. Article (PDF)
  51. T.W. Ng, Dynamic visualization of atomic arrangements over the internet. Journal of Materials Education, 21, 5-6 (2001): 229-238. Article (PDF)
  52. T.W. Ng, Creating a multiple-choice self-marking engine on the internet. The International Journal of Engineering Education, 16, 1 (1 January 2000): 50-55. Article (PDF)
  53. T.W. Ng, A multiple-choice tool for teaching materials science over the internet. Journal of Materials Education 21, 3&4 (2000): 163-168. Article (PDF)
  54. T.W. Ng, A Proxy Experiment for X-ray Diffraction. Journal of Materials Education 21, 3&4 (2000): 221-228. Article (PDF)
  55. T.W. Ng and S C Yeo, Aesthetic Laser Marking Assessment Using Spectrophotometers. Journal of Materials Processing Technology 104 (2000): 280-283. Article (PDF)
  56. T.W. Ng and S C Yeo, Aesthetic Laser Marking Assessment. Optics and Laser Technology 32(2000): 187-191. Article (PDF)
  57. T.W. Ng, Electronic digests in scientific communication. Internet Research, 8, 3 (1998): 243-246. Article (PDF)
  58. T.W. Ng, Photoelastic stress analysis using an object step-loading method. Experimental Mechanics, 37, no.2 (June 1997): 137-141. Article (PDF)
  59. T.W. Ng, Derivation of retardation phase in computer-aided photoelasticity by using carrier fringe phase shifting. Applied Optics, 36, 31 (November 1997): 8259-8263. Article (PDF)
  60. T.W. Ng, Optical distance sensing using digital speckle shearing interferometry. Optics and Lasers in Engineering, 26 (1997): 449-460. Article (PDF)
  61. T.W. Ng, Speckle photography fringe analysis using the discrete Hartley transform. Optics Communications, 136 (1997): 11-35. Article (PDF)
  62. T.W. Ng, Speckle reduction in the small-angle light scattering technique using sample vibration. Journal of Polymer Sciences. Polymer Physics Edition, 35 (1997): 937-943. Article (PDF)
  63. T.W. Ng, Analysis of the optical reconstruction of shearograms using oblique illumination. Review of Scientific Instruments, 68, 8 (1997): 3125-3129. Article (PDF)
  64. T.W. Ng, R S Marokkey and A Asundai, Photoelastic illumination by using cathode-ray-tube displays. Applied Optics, 36, 16 (June 1997): 3601-3603. Article (PDF)
  65. T.W. Ng, Simultaneous recording of Hv and Vv small-angle light-scattering patterns for crystallization kinetics studies. Journal of Polymer Science : Part B, Polymer Physics, 35 (1997): 199-201. Article (PDF)
  66. T.W. Ng, Light emitting diodes for illumination in photoelasticity. United States: Society for Experimental Mechanics, July /August 1997. Article (PDF)
  67. T.W. Ng, High-speed phase-shift computation using dynamic memory processing. Optical Engineering, 35, no.12 (December 1996): 3482-3484. Article (PDF)
  68. T.W. Ng, Fast derivation of phase in computer-aided photoelasticity. Pure and Applied Optics, 5 (1996): 105-110. Article (PDF)
  69. T.W. Ng, Circular grating moire deflectometry analysis by zeroth and first radial fringe order measurement. Optics Communications, 129 (1996): 344-346. Article (PDF)
  70. T.W. Ng, Scattering-angle calibration in an automated small-angle light-scattering apparatus. Journal of Applied Polymer Science, 62 (1996): 617-619. Article (PDF)
  71. T.W. Ng, The one-step phase-shifting technique for wave-front interferometry. Journal of Modern Optics, 43 (1996): 2129-2138. Article (PDF)
  72. T.W. Ng, T H Wong and F S Chau, In situ monitoring of object beam expander noise in speckle correlation interferometry. Pure and Applied Optics, 4, no. 2 (1995): 71-77. Article (PDF)
  73. T.W. Ng, Shear measurement in digital speckle shearing interferometry using digital correlation. Optics Communications, 115 (1995): 241-244. Article (PDF)
  74. T.W. Ng, Improved DSPI configuration for the inspection of components in the production line. Journal of Nondestructive Evaluation, 14, no. 2 (1995): 77-81. Article (PDF)
  75. T.W. Ng, Carrier-modulated object step-loading method of automated analysis in digital speckle shearing interferometry. Journal of Modern Optics, 42, no. 10 (1995): 2109-2118. Article (PDF)
  76. T.W. Ng, Derivation of phase in computer-aided photoelasticity. Optics Letters, 20 (1995): 669-670. Article (PDF)
  77. T.W. Ng, Digital speckle pattern interferometer for combined measurements of out-of-plane displacement and slope. Optics Communications, 116 (1995): 31-35. Article (PDF)
  78. T.W. Ng and F S Chau, A digital shearing speckle interferometry technique for modal analysis. Applied Acoustics, 42, no.2 (1994): 175-185. Article (PDF)
  79. T.W. Ng and F S Chau, Automated analysis in digital speckle shearing interferometry using an object step-loading method. Optics Communications, 108 (1994): 214-218. Article (PDF)
  80. T.W. Ng and F S Chau, Object illumination angle measurement in speckle interferometry. Applied Optics, 33, no.25 (1994): 5959-5961. Article (PDF)
  81. T.W. Ng and F S Chau, The dependence of fringe contrast on phase statistics in speckle correlation interferometry. Optik, 97, no.2 (1994): 78-80. Article (PDF)
  82. T.W. Ng and F S Chau, Moire technique for linear shear measurement in photographic speckle shearing interferometry. Optical Engineering, 33, no.5 (1994): 1726-1727. Article (PDF)
  83. T.W. Ng and F S Chau, Automated linear shear measurements in digital speckle shearing interferometry. Optical Engineering, 33, no.5 (1994): 1728-1729. Article (PDF)
  84. T.W. Ng and F S Chau, Discrete dynamic resolution considerations in digital speckle correlation interferometry. Pure and Applied Optics, 3 (1994): 605-608. Article (PDF)
  85. T.W. Ng and F S Chau, White-light reconstruction setup for shearograms using optical-fiber waveguides. Applied Optics, 33, no.22 (1994): 5050-5051. Article (PDF)
  86. T.W. Ng, Improved visual detection of flaws by using temporal phase modulation in digital speckle shearing interferometry. Pure and Applied Optics, 3 (1994): 715-717. Article (PDF)
  87. T.W. Ng, C Y Leow, F S Chau and S L Toh, Improved white-light reconstruction of shearograms for simultaneous measurement of displacement derivatives. Measurement Science and Technology, 5 (1994): 1303-1305. Article (PDF)
  88. T.W. Ng and F S Chau, Effect of camera spatial resolution on fringe contrast in digital speckle correlation interferometry. Optik, 97, no.4 (1994): 183-185. Article (PDF)
  89. T.W. Ng and F S Chau, Measurement of linear shear in digital shearing speckle interferometry. Optics Communications, 102 (1993): 208-212. Article (PDF)
  90. T.W. Ng and F S Chau, Limit to sensitivity reduction in shearing speckle interferometry imposed by imaging aberrations. Optics Communications, 104 (1993): 18-22. Article (PDF)
  91. T.W. Ng and F S Chau, Using gradient-index lenses for laser beam expansion in interferometry. Applied Optics, 32, no.19 (1993): 3479-3480. Article (PDF)
  92. F S Chau, and T W Ng, A real-time digital shearing speckle interferometer. Measurement Science and Technology, 3 (1992): 381-383. Article (PDF)
  93. F S Chau, and T W Ng, Statistical properties of phase variation in shearing speckle interferometry and its effect on fringe visibility. Journal of Modern Optics, 39, no.12 (1992): 2463-2469. Article (PDF)

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