Dr Withawat Withayachumnankul

Qualifications

• PhD in Electrical Engineering (Special Commendation), The University of Adelaide, 2010
• MEng in Electronics Engineering, King Mongkut's Institute of Technology Ladkrabang, Thailand, 2003
• BEng in Electronics Engineering (Honours), King Mongkut's Institute of Technology Ladkrabang, Thailand, 2001

Awards & Achievements

• Australian Nanotechnology Network Travel Grant (RMIT collaboration; 2011)
• CSIRO Travel Grant for the Symposium on Nanomaterial-Based Sensors for Biomedical Applications, North Ryde, Sydney, Australia (2008)
• IEEE LEOS Graduate Student Fellowship (IEEE Photonics Society; 2008)
• SPIE Scholarship in Optical Science and Engineering (2008)
• Winner of the poster presentation at SPIE Symposium on Microelectronics, MEMS, and Nanotechnology, Canberra, Australia (2007)
• SPIE Contingency Travel Grant for the Symposium on Microelectronics, MEMS, and Nanotechnology, Canberra, Australia (2007)
• Australian Endeavour International Postgraduate Research Scholarship (IPRS) & University of Adelaide Scholarship for Postgraduate Research (2006-2008)

Research Interests

Metamaterials - Metamaterials are manmade artificial materials with customisable electromagnetic properties. With this degree of freedom, they function to manipulate electromagnetic waves in unconventional ways. My research focuses on metamaterials operating at the microwave and terahertz frequency range with applications ranging from communications to molecular sensing. 

Terahertz technology - Terahertz defines a frequency range between 0.1 and 10 THz (THz = 10^12 Hz). This frequency range hosts a variety of microscopic physical phenomena, yet the wave can penetrate most dry, non-metallic substances. My reseach covers broad aspects of terahertz technology, with particular interests in terahertz components, spectroscopy, uncertainties, optimisation, and signal processing.

Research Funding

• 2012-2014 – Australian Research Council Discovery Project (AUD 330,000)
• 2010-2013 – Australian Research Council Australian Postdoctoral Fellowship (AUD 270,000)

Publications

Refereed journal articles

[19] W. Withayachumnankul, P. Kunakornvong, C. Asavathongkul, and P. Sooraksa, “Rapid detection of hairline cracks on the surface of piezoelectric ceramics,” International Journal of Advanced Manufacturing Technology. (Accepted 19 March 2012)

[18] W. Withayachumnankul, K. Jaruwongrungsee, C. Fumeaux, and D. Abbott, “Metamaterial-inspried multichannel thin-film sensor,” IEEE Sensors Journal, vol. 12, no. 5, pp. 1455-1458, 2012. 

[17] J. F. O’Hara, W. Withayachumnankul, and I. Al-Naib, “A review on thin-film sensing with terahertz waves,” Journal of Infrared, Millimeter, and Terahertz Waves, vol. 33, no. 3, pp. 245-291, 2012. (Invited)

[16] J. N. Li, W. Withayachumnankul, S. J. Chang, and D. Abbott, “Practical method for determining inductance and capacitance of metamaterial resonators at micrwave frequencies,” IET Electronics Letters, vol. 48, no. 4, pp. 225-227, 2012.

[15] I. E. Khodasevych, C. M. Shah, S. Sriram, M. Bhaskaran, W. Withayachumnankul, B. S. Y. Ung, H. Lin, W. S. T. Rowe, D. Abbott, and A. Mitchell, “Elastomeric silicone substrates for terahertz fishnet metamaterials,” Applied Physics Letters, vol. 100, no. 6, art. no. 061101, 2012. (Front cover) 

[14] W. Withayachumnankul, H. Lin, K. Serita, C. M. Shah, S. Sriram, M. Bhaskaran, M. Tonouchi, C. Fumeaux, and D. Abbott, “Sub-diffraction thin-film sensing with planar terahertz metamaterials,” Optics Express,  vol. 20, no. 3, pp. 3345-3352, 2012.

[13] W. Withayachumnankul, C. Fumeaux, and D. Abbott, “Planar array of electric-LC resonators with broadband tunability,” IEEE Antennas and Wireless Propagation Letters, vol. 10, pp. 577-580, 2011. (pdf)

[12] W. Withayachumnankul, C. Fumeaux, and D. Abbott, “Compact electric-LC resonators for metamaterials,” Optics Express, vol. 18, no. 25, pp. 25912-25921, 2010. (pdf)

[11] W. Withayachumnankul, B. M. Fischer, B. Ferguson, B. R. Davis, and D. Abbott, “A systemized view of superluminal wave propagation,” Proceedings of the IEEE, vol. 98, no. 10, pp. 1775-1786, 2010. (Front cover)

[10] T. T. L. Kristensen, W. Withayachumnankul, P. U. Jepsen, and D. Abbott, “Modeling terahertz heating effects on water,” Optics Express, vol. 18, no. 5, pp. 4727-4739, 2010.

[9] W. Withayachumnankul and D. Abbott, “Metamaterials in the terahertz regime,” IEEE Photonics Journal, vol 1, no. 2, pp. 99-118, 2009. (Invited)

[8] W. Withayachumnankul, B. M. Fischer, and D. Abbott, “Numerical removal of water-vapour effects from THz-TDS measurements,”Proceedings of the Royal Society A: Mathematical, Physical & Engineering Sciences, vol. 464, no. 2097, pp. 2435-2456, 2008.

[7] W. Withayachumnankul, B. M. Fischer, H. Lin, and D. Abbott, “Uncertainty in terahertz time-domain spectroscopy measurement,” Journal of the Optical Society of America B: Optical Physics, vol. 25, no. 6, pp. 1059-1072, 2008.

[6] W. Withayachumnankul, B. M. Fischer, and D. Abbott, “Material thickness optimization for transmission-mode terahertz time-domain spectroscopy,” Optics Express, vol. 16, no. 10, pp. 7382-7396, 2008.

[5] W. Withayachumnankul, B. M. Fischer, S. P. Mickan, and D. Abbott, “Quarter-wavelength multilayer interference filter for terahertz waves,” Optics Communications, vol. 281, no. 9, pp. 2374-2379, 2008.

[4] W. Withayachumnankul, B. M. Fischer, S. P. Mickan, and D. Abbott, “Retrofittable antireflection coatings for T-rays,”Microwave and Optical Technology Letters, vol. 49, no. 9, pp. 2267–2270, 2007.

[3] W. Withayachumnankul, G. M. Png, X. Yin, S. Atakaramians, I. Jones, H. Lin, B. S. Y. Ung, J. Balakrishnan, B. W.-H. Ng, B. Ferguson, S. P. Mickan, B. M. Fischer, and D. Abbott, “T-ray sensing and imaging,” Proceedings of the IEEE, vol. 95, no. 8, pp. 1528–1558, 2007. (Invited)

[2] W. Withayachumnankul, B. Ferguson, T. Rainsford, S. P. Mickan, and D. Abbott, “Direct Fabry-Pérot effect removal,” Fluctuation and Noise Letters, vol. 6, no. 2, pp. pp. L227–L239, 2006.

[1] W. Withayachumnankul, B. Ferguson, T. Rainsford, S. P. Mickan, and D. Abbott, “Simple material parameter estimation via terahertz time-domain spectroscopy”, IEE Electronics Letters, vol. 41, no. 14, pp. 800–801, 2005.

Professional Associations

IEEE, SPIE, Australian Nanotechnology Network (ANN), Australian Research Network for Advanced Materials (ARNAM)

Community Engagement

Reviewer for funding agencies: Swiss National Science Foundation (SNSF), Australian Research Council (ARC)

Reviewer for journals: Optics Express, Optics Letters, Journal of the Optical Society of America A, IEEE Trans Microwave Theory and Techniques, New Journal of Physics, IEEE Photonics Journal, Optics Communications, Journal of Physics D, Sensors, Journal of Infrared Millimeter and Terahertz Waves, Journal of Optics, Journal of Biomedical Optics, Journal of Electromagnetic Waves and Applications, Progress in Electromagnetic Research, International Journal of Solids and Structures, Semiconductor Science and Technology, ETRI Journal (Korea), Chinese Optics Letters

Co-supervisor: PhD candidates Weixun Wu (50%), Tiaoming Niu (50%) and PhD visitor Jining Li (Nankai U, China)

Committee, School of EEE, The University of Adelaide: School/curriculum/research/postgraduate

 

Entry last updated: Sunday, 15 Apr 2012