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2016 ; 6
(ä): 37286
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Optical computing for optical coherence tomography
#MMPMID27869131
Zhang X
; Huo T
; Wang C
; Liao W
; Chen T
; Ai S
; Zhang W
; Hsieh JC
; Xue P
Sci Rep
2016[Nov]; 6
(ä): 37286
PMID27869131
show ga
We propose an all-optical Fourier transformation system for real-time massive
data processing in high speed optical coherence tomography (OCT). In the
so-called optical computing OCT, fast Fourier transformation (FFT) of A-scan
signal is optically processed in real time before being detected by photoelectric
detector. Therefore, the processing time for interpolation and FFT in traditional
Fourier domain OCT can be dramatically eliminated. A processing rate of 10
mega-A-scans/second was experimentally achieved, which is, to our knowledge, the
highest speed for OCT imaging. Due to its fiber based all-optical configuration,
this optical computing OCT system is ideal for ultrahigh speed volumetric OCT
imaging in clinical application.