Abstract
Digital holographic microscopy using multiframe full-field heterodyne technology
is discussed in which two acousto-optic modulators are applied to generate low-frequency
heterodyne interference and a high-speed camera is applied to acquire multiframe
full-field holograms. We use a temporal frequency spectrum analysis algorithm to extract
the object’s information. The twin-image problem can be solved and the random noise can
be significantly suppressed. The relationship between the frame number and the
reconstruction accuracy is discussed. The typical objects of microlenses and biology
cells are reconstructed well with 100-frame holograms for illustration.
© 2016 Chinese Laser Press
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