Staff Profile

We follow set of rules and regulations in our administrative, operational and academic functions

Ir. Ts. Dr. Then Yi Lung

Senior Lecturer
B.Eng (Hons), PhD, CEng, PEng, PTech.

Faculty of Engineering, Computing and Science

Office No:+60 82 260 808
Fax No:+60 82 260 813
Room No: E103, Building E, FECS
Email: ythen@swinburne.edu.my
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Dr. Then was born in Kuching, Sarawak, Malaysia in 1988. He received the B.Eng (Hons) in Electrical engineering in 2012 and Ph.D. in Electrical engineering in 2015. He is a registered Professional Engineer (Electrical) with Board of Engineers Malaysia (BEM) and a professional technologist with Malaysia Board of Technologists (MBOT). Besides, he is a trained chartered engineer under Institution of Engineering and Technology (IET UK). Dr. Then has high research competence. He has won several funding from government and university to conduct impactful research. His research areas involve smart power management, green technology, instrumentation of electromagnetic wave propagation at microwave frequencies, development of microwave sensors for agricultural applications and rural connectivity. Dr. Then is the recipient of Swinburne’s Vice Chancellor Award (Community Engagement) and Early Career Research Award (Highly Commended) in 2019.  

Research Interests

  • Renewable energy
  • Smart power management and green technology
  • RF and microwave engineering
  • Microwave sensors and reflectometer for modern agriculture
  • Rural connectivity

Professional Memberships

  • Member, Institute of Electrical and Electronic Engineers (IEEE)
  • Chartered Engineer, Institution of Engineering and Technology (IET)
  • Professional Engineer (Electrical), Board of Engineers Malaysia (BEM)
  • Professional Technologist, Malaysia Board of Technologists (MBOT)

Current RHD Supervision

NameDegreeArea of ResearchStart yearRole
Abdulkadir Muhammad LawanPhDWireless Power Transfer2017Assoc. Supervisor
Michelle Gian Kah SingPhDBiomedical Engineering (Deep Retinal Classifier)2019Assoc. Supervisor
Chamath Kalanaka Vithanawasam (completed)M. EngAntenna Propagation2019Main Supervisor
Abel ChaiM. EngRural Connectivity2019Assoc. Supervisor
Natalie Lim Chen YiM. EngRural Connectivity2019Assoc. Supervisor
Jules RavannesM. EngPower Detector2019Main Supervisor
Vincent Musisi NakalyaM. EngRenewable Energy2021Main Supervisor

  • Publications


  • Journal paper  Jules, G.R., Then, Y. L., Su, H. T., and Ismat, H. Microwave Power Detectors in Different CMOS Design Architecture – A Review. IEEE Microwave Magazine (In Press)
  • Journal paper  Noufal, A., Then, Y. L., Jubaer, A., and Saad, K. (2021) Basic Home Automation Using Smart Sockets with Power Management. International Journal of Integrated Engineering 13 (2), 99-108.
  • Journal paper  Chung, B. W. W., Then, Y. L., Tay, F. S., Norkhairunnisa, D. A. Z., and Saad, K. (2021) Study of LED Radiation Effects on Insect Phototaxis Response For The Development of Light-Based Pest Trap. International Journal of Integrated Engineering 13(2), 90-98.
  • Journal paper Rafique, M. A. Z. M., Tay, F. S., and Then, Y. L. (2021) Design and Development of Smart Irrigation and Water Management System for Conventional Farming. Journal of Physics 1844 (1), 1-8.
  • Journal paper  Michael, G. W., Tay, F. S., and Then, Y. L. (2021) Development of Automated Monitoring System for Hydroponics Vertical Farming. Journal of Physics 1844 (1), 1-8.
  • Journal paper Then, Y. L., Yap, Y. Y., and Chamath, K. V. (2020). Coaxial Fed Patch Antennas for TVWS Applications. IEM Journal 81 (1), 1 – 6.
  • Journal paper Chamath, K. V., Then, Y. L., and Su, H. T. (2020). A Review of Microstrip Antenna Designs for TV White Space Applications. Indonesian Journal of Electrical Engineering and Computer Science 19 (2), 855 – 863.
  • Journal paper Chamath, K. V., Then, Y. L., and Su, H. T. (2020). Compact Ultra-Wideband Microstrip Antenna with Ground Plane Extensions for Television White Space (TVWS) Applications. International Journal of Advanced Technology 29 (6s), 777 – 782.
  • Journal paper Tan, W. Y., Then, Y. L., Lew, Y. L., and Tay, F. S. (2019). Newly Calibrated Analytical Models for Soil Moisture Content and pH Value by Low-Cost YL-69 Hygrometer Sensor. Measurement. 134, 166 – 178. 
  • Journal paper Zaidel, D., Attan, M. P., Sharip, M. R. M., Mat, D. A. A., Marzuki, A. S. W., Seman, N., and Then Y. L. (2018). Improvement of the Bandwidth and Scattering Parameter Performances of 5G Branch-Line Coupler Design for the Use in Intelligent Transportation System (ITS). Journal of Telecommunication, Electronic and Computer Engineering. 10 (1-12), 89 – 92.
  • Journal paper Then, Y. L., You, K. Y., Lee, M. H., and Lee, C. Y. (2017). Development of Compact P-Band Vector Reflectometer. International Journal of Electrical and Computer Engineering. 7(2), 791 – 798.
  • Journal paper Lee, C. Y., You, K. Y., Tan, T. S., Then, Y. L., Lee, Y. S., Zahid, L., Lim, W. L., and Lee, C. H. (2016). Enhanced Five-Port Circuit Reflectometer for Synthetic Breast Tissue Dielectric Determination. Progress in Electromagnetic Research C. 69, 83 – 95.
  • Journal paper Then, Y. L., You, K. Y., Dimon, M. N., and Lee, C. Y. (2016). A Modified Microstrip Ring Resonator Sensor with Lumped Element Modeling for Soil Moisture and Dielectric Predictions Measurement. Measurement. 94, 119 – 125.
  • Journal paper You, K. Y. and Then, Y. L. (2015). Simple Calibration and Dielectric Measurement Technique for Thin Material Using Coaxial Probe. IEEE Sensors Journal. 15 (10), 5393 – 5397.
  • Journal paper You, K. Y. and Then, Y. L. (2015). Electrostatic and Dielectric Measurements for Hair Building Fibers from DC to Microwave Frequencies. International Journal of Electrical, Computer, Electronics and Communication Engineering 9 (3), 263 – 270.
  • Journal paper Then, Y. L., You, K. Y., Dimon, M. N., Tan, T. S., and Lee, C. Y. (2014). Dielectric Characterization of Various Soil Types Using Modified Microstrip Ring Resonator Techniques. Microw. Opt. Technol. Lett, 56(11), 2498 – 2502.
  • Journal paper Then, Y. L., You, K. Y., Dimon, M. N., and Lai, W. Y. (2014). Evaluation of the Equivalent Lumped Element Parameters of Modified Microstrip Ring Resonator. Applied Mechanics and Materials, 735, 278 – 281.
  • Journal paper You, K. Y., Lee, C. Y., Then, Y. L., Chong, S. H. C., You, L. L., Abbas, Z., and Cheng, E. M. (2013). Precise Moisture Monitoring for Various Soil Types Using Handheld Microwave-Sensor Meter. IEEE Sensors Journal, 13(7), 2563 – 2570.