Abstract

We show for the first time, to our knowledge, high-resolution wide-field images of biological samples recorded using coherent aperture-synthesis Fourier holography. To achieve this, we combined off-axis plane-wave polarized illumination with an axial sample rotation and polarization-sensitive collection of backscattered light. We synthesized 180 Fourier holograms using an efficient postdetection phase-matching correlation scheme. The result was an annular spatial frequency-space synthetic aperture (NA=0.93) with an effective area 25 times larger than that due to a single hologram. A high-resolution high-contrast microscopic reconstruction of biological tissue was computed over a sample area of 9mm2 from holograms acquired at 34 mm working distance.

© 2010 Optical Society of America

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