School of Electrical Engineering & Computer Science National University of Sciences & Technology (NUST), Pakistan Research Profile Rehan Hafiz

Overview  Ph.D., Electronics Engineering –The University of Manchester, UK –Graduation Date: July 2008 (Defense: April 2008) –Dissertation Title: Reconfigurable signal processing techniques for optical tomography  At SEECS: –Joined 26th May 2

PhD Research – Digital signal processing for optical tomography  Concept –Optical tomography : A technique to get concentration maps of gases in a reactor  Goal –Increase efficiency and applicability of Optical absorption measurements  Achievements –FPGA based Laser noise suppression (AIP Journal) –Optical absorption measurements in particle- containing ambient (IEEE Journal)  Applications –Specie specific imaging –Trace gas concentration imaging –Industrial/chemical reactors –Leakage detection

Future research  SEECS: –Research : Digital systems /Embedded systems  Focus –Digital signal/image processing applications –Digital instrumentation for Tomographic applications –FPGA based algorithm acceleration 4 Controller Laser diode Reactor Measurement Cross section Fibre Photodetector Signal Amplification Signal Conditioning Reconstruction Tomograph Display  Project under consideration: FPGA implementation of Image reconstruction for hard field tomography – Applications: X-Ray / Optical imaging – Issues: Expensive Optical Setup