Researchers in the Applied Optics Group were the first to demonstrate en-face optical coherence tomography (OCT) images from the retina, now known as C-scans. To mark the event, a special brick has been engraved in the Footstep project (part of the new Crab & Winkle Path alongside the Templeman Library on the campus).
The combined OCT/SLO (optical coherence tomography and scanning laser ophthalmoscope) instrument for imaging the eye was invented at Kent in 1998 by Adrian Podoleanu and David Jackson.
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Master-Slave optical coherence tomography (MS-OCT) eliminates the Fourier transform and its disadvantages (such as need for resampling, linearization, correction for dispersion in the interferometer). MS-OCT obtains depth dependent information by implementing parallel comparison operations using channeled spectra signals (masks).