Hattan Khaled Ballaji

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PhD student, Electrical and Electronic Engineering (EEE) Department, Faculty of Engineering

Hattan Ballaji received a Bachelor degree in Computer Engineering from Umm Al-Qura University in 2009. Hattan received two MSc degrees: first, it was from Electrical and Electronic Engineering in 2013 from King Abdulaziz University. Second, MSc was in 2016 from EEE at the University of Nottingham (UoN). He served as a teacher assistant in Electronic and computer engineering department at Umm Al-Qura University from 2012 to 2014. Hattan is now with the Department of EEE in Optics & Photonics Research Group at UoN as a PhD student. His project title is "Smart Textile Based Optical Sensing for Health Care".

Email: Hattan.Ballaji@nottingham.ac.uk


Optics and Photonics Research Group, Faculty of Engineering, University of Nottingham, Room-1003, Tower Building, University Park, Nottingham, NG7 2RD, England, UK


Liu, C., Correia, R., Ballaji, H., Korposh, S., Hayes-Gill, B., & Morgan, S. (2018). Optical Fibre-Based Pulse Oximetry Sensor with Contact Force Detection. Sensors, 18(11), 3632.


Hattan Ballaji, Liu, C., Correia, R., Korposh, S., Hayes-Gill, B., & Morgan, S. "An optical sensor probe measuring blood volume and skin contact pressure". Poster session presented at: BioMedEng18. The annual Conference of the Biomedical Engineering, 2018 September 6-7; Imperial College London, the U.K.

Social seminar:

1. Hattan Ballaji, “An optical sensor probe measuring blood volume and skin contact pressure”, Project Talk, 16 February 2018. 2. Hattan Ballaji, “Photoplethysmograph (PPG) and Capillary refill time (CRT) Sensor for Health Care”, Project Talk, 19 July 2019.

Research Interests:

Optical Fibre Sensors for Health Care.


▪ Runner-up in a 3-minute pitch of third-year project presentation in Optics and Photonics Research Group showcase selection event, 15 March 2019.

▪ Runner-up in Pitch Perfect PhD Presentations – Engineering Research Showcase, University of Nottingham, 2 May 2019.