1. Simultaneous dual-band optical coherence tomography in the spectral domain for high resolution in vivo imaging

    Simultaneous dual-band optical coherence tomography in the spectral domain for high resolution in vivo imaging

    Optical coherence tomography (OCT) in the spectral domain is demonstrated simultaneously at two wavelength bands centered at 800 nmand 1250 nm. A novel commercial supercontinuum laser is applied as a single low coherence broadband light source. The emission spectrum of the source is shaped by optical and spatial filtering in order to achieve anadequate double peak spectrum containing the wavelength bands 700 - 900nm and 1100 - 1400 nm for dual-band OCT imaging and thus reducing theradiation exposure of the sample. Each wavelength band is analyzed with anindividual spectrometer at an A-scan rate of about 12 kHz which enablesreal-time imaging for the ...

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