Author Affiliations

Olugbenga J. Olusoji,^a,* Wern Kam,^a,c Xin Cheng,^b Peter Woulfe,^d Hwa-Yaw Tam,^b and Sinead O’Keeffe^a,c

^aOptical Fibre Sensors Research Centre (OFSRC), University of Limerick, V94 T9PX Limerick, Ireland

^bPhotonics Research Centre, Department of Electrical Engineering, The Hong Kong Polytechnic University, Kowloon, Hong Kong, SAR

^cHealth Research Institute, University of Limerick, V94 T9PX Limerick, Ireland

^dDepartment of Radiotherapy Physics, Galway Clinic, H91 HHT0 Galway, Ireland.

^*Corresponding author: Olugbenga.olusoji@ul.ie