Overview
Dr Rajan is a Senior Lecturer at School of Technologies - Cardiff Metropolitan University, Cardiff. Prior to this he was a Senior Lecturer at the University of Wollongong, Australia, a Senior Researcher at UNSW Sydney, Australia and a Project Manager/Research Associate at the Technological University Dublin, Ireland.
He obtained a PhD degree in Engineering from Technological University Dublin, Ireland. He has published over 150 articles in journals, conferences and as book chapters, and two patents are also filed.
He is the editor/author of the books “Optical Fiber Sensors: Advanced Techniques and Applications” and "Structural Health Monitoring of Composite Structures using Fiber Optic Methods", both published by CRC Press. He serves as a technical program committee chair and member of conferences in the area of optical fiber sensors and smart composite materials, editorial board member/associate editor and reviewer of several journals, and assessor for funding applications of the Portugal Science Foundation, Polish Science Foundation and Australian Research Council.
His research and teaching expertise and interests include optical fibre sensors and their engineering applications in biomedical and structural health monitoring fields. He also promotes work integrated learning and entrepreneurship in undergraduate/postgraduate teaching.
Research Publications
The evolutions of reflectarray antennas for small satellites: Navigating to design, fabrication and performance techniques
Uddin, M. J., Nagi, H., Falkner, B., Akhavan, R., Rajan, G., Platts, J., Hewage, C. & Uggalla, L., 11 Aug 2025, In: IEEE Access.Research output: Contribution to journal › Article › peer-review
A Cascaded Fabry–Pérot Interferometric Fiber Optic Force Sensor Utilizing the Vernier Effect
Wang, Z., Rajan, G., Wang, Z., Rout, A. & Semenova, Y., 8 Aug 2025, In: Sensors. 25, 16, p. 4887 1 p., 4887.Research output: Contribution to journal › Article › peer-review
Saltus–“A Sudden Transition” Empowered by Federated Learning for Efficient Big Data Handling in Multimedia Sensor Networks
Remya, S., Pillai, M. J., Sha, A., Rajan, G., Subbareddy, S. R. & Cho, Y. Y., 24 Jun 2024, In: IEEE Access. 12, p. 88620-88633 14 p.Research output: Contribution to journal › Article › peer-review
Resonance Effects in Periodic and Aperiodic Lattice Structures
Uddin, M. J., Platts, J., Rajan, G., Fung, W. K., Islam, S. Z. & Islam, M. U., 5 Jun 2024, In: IEEE Microwave Magazine. 25, 7, p. 63-78 16 p.Research output: Contribution to journal › Article › peer-review
An approach for process optimisation of the Automated Fibre Placement (AFP) based thermoplastic composites manufacturing using Machine Learning, photonic sensing and thermo-mechanics modelling
Islam, F., Wanigasekara, C., Rajan, G., Swain, A. & Prusty, B. G., 25 Jan 2022, In: Manufacturing Letters. 32, p. 10-14 5 p.Research output: Contribution to journal › Article › peer-review
Dental resin composites: A review on materials to product realizations
Cho, K., Rajan, G., Farrar, P., Prentice, L. & Prusty, B. G., 1 Dec 2021, In: Composites Part B: Engineering. 230, 109495.Research output: Contribution to journal › Review article › peer-review
Evaluation of depth-wise post-gel polymerisation shrinkage behaviour of flowable dental composites
Behl, S., Rajan, G., Raju, Farrar, P., Prentice, L. & Prusty, B. G., 7 Oct 2021, In: Journal of the Mechanical Behavior of Biomedical Materials. 124, 104860.Research output: Contribution to journal › Article › peer-review
Distributed fiber optic sensor-based strain monitoring of a riveted bridge joint under fatigue loading
Nagulapally, P., Shamsuddoha, M., Rajan, G., Mohan, M. & Prusty, B. G., 30 Jul 2021, In: IEEE Transactions on Instrumentation and Measurement. 70, 9501955.Research output: Contribution to journal › Article › peer-review
Dimensional stability of short fibre reinforced flowable dental composites
Raju, R., Rajan, G., Farrar, P. & Prusty, B. G., 25 Feb 2021, In: Scientific Reports. 11, 1, 4697.Research output: Contribution to journal › Article › peer-review
Fibre bragg grating based acoustic emission measurement system for structural health monitoring applications
Jinachandran, S. & Rajan, G., 13 Feb 2021, In: Materials. 14, 4, p. 1-16 16 p., 897.Research output: Contribution to journal › Article › peer-review