Real-time display
on Fourier domain optical coherence tomography system
using a graphic processing unit
Linear-k spectrometer
in
the 840 nm spectral region
nDiffractive grating
with 1200 lines/mm
nF2 equilateral prism
nThe calculations of
the FFT (fast Fourier transform) were accelerated by the GPU (Graphic
Processing Unit) with many stream processors, which realized highly parallel
processing.
nThe display rate of
OCT images (2048 axial pixels × 1000 lateral A-scans) was at 27.9 fps using
a line scan CCD camera operated at 27.9 kHz.
In vivo OCT image of a human finger pad
with an imaging range of a 4.0 × 1.8
mm2 (lateral ×
axial) .
