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Fig. 3 | PhotoniX

Fig. 3

From: Cellular-resolution in vivo tomography in turbid tissue through digital aberration correction

Fig. 3

Correction of sample-induced aberrations. a Photograph of the tissue phantom. CB: chicken breast. b An image of microparticles acquired without chicken breast tissue (SD-OCT w/o CB). c A representative control image (Control w/ CB). This was obtained using Eq. (5) with [z', z''] being the full depth range. The red dashed line indicates the focal plane. d The corresponding aberration corrected image (ADAS w/ CB). e, g Six-fold magnified view of two insets in (c) show blurred microparticles. f, h The corrected images corresponding to (e) and (g), respectively. The transverse and axial profiles are shown at the top and on the right of panels (e)-(h), respectively. The profiles in (e) & (g) are normalized to the peak values in (f) and (h), respectively. i and j The FWHM of the transverse and axial profiles are restored in the ADAS-OCT image (ADAS w/ CB, green rectangle) with respect to the control image (Control w/ CB, red triangle) and the SD-OCT image (SD-OCT w/o CB, blue circle). k Signal intensity is also restored in the ADAS-OCT image (green rectangle) with respect to the control image (red triangle). Here, “Control” and “ADAS” represent the aberration-uncorrected and aberration-corrected images with chicken breast given by Eqs. (4) and (5) respectively, while “SD-OCT” is the conventional OCT image of the particle phantom only without aperture-division. Transverse and vertical scale bars: 100 μm

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