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Six-pack off-axis holography

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Abstract

We present a new holographic concept, named six-pack holography (6PH), in which we compress six off-axis holograms into a single multiplexed off-axis hologram without loss of magnification or resolution. The multiplexed hologram contains straight off-axis fringes with six different orientations, and can be generated optically or digitally. We show that since the six different complex wavefronts do not overlap in the spatial frequency domain, they can be fully reconstructed. 6PH allows more than 50% improvement in the spatial bandwidth consumption when compared to the best multiplexing method proposed so far. We expect the 6PH concept to be useful for a variety of applications, such as field-of-view multiplexing, wavelength multiplexing, temporal multiplexing, multiplexing for super-resolution imaging, and others.

© 2017 Optical Society of America

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Supplementary Material (4)

NameDescription
Visualization 1       Conventional off-axis hologram of red blood cells during flow.
Visualization 2       Quantitative phase profile of red blood cells during flow, reconstructed from the off-axis hologram shown in Visualization 1.
Visualization 3       Six-pack multiplexed hologram of red blood cells during flow at 1/6 of the framerate of the original hologram, but still containing all temporal events.
Visualization 4       Six quantitative phase profiles of red blood cells during flow reconstructed from the multiplexed hologram shown in Visualization 3.

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Figures (5)

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