Abstract

Light-sheet microscopy enables fast 3D, high-contrast imaging in biology and colloidal sciences. Recently, the controlled transport of living embryos or small colloids through stable glass capillaries is manifold interesting. Although they hardly impair the sample, glass capillaries spoil the image by generating significant aberrations of the illumination and detection light. Here, we analyze the deflection of illuminating Bessel beams at the capillary by k-spectral shifting, and correct for it by a beam deflector. Using cylindrical lenses for astigmatism compensation on the detection side, we demonstrate 3D line-confocal imaging inside a glass capillary over an axial range of ±400μm.

© 2017 Optical Society of America

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