Numerical heterodyne holography with two-dimensional photodetector arrays

We present an original heterodyne holography method for digital holography that relies on two-dimensional heterodyne detection to record the phase and the amplitude of a field. The technique has been tested on objects as much as 13 mm in size. Consistency checks were performed, and high-resolution i...

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Bibliographic Details
Published in:Optics letters 2000-05, Vol.25 (10), p.716-718
Main Authors: Le Clerc, F, Collot, L, Gross, M
Format: Article
Language:English
Subjects:
Optics
Physics
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Summary:We present an original heterodyne holography method for digital holography that relies on two-dimensional heterodyne detection to record the phase and the amplitude of a field. The technique has been tested on objects as much as 13 mm in size. Consistency checks were performed, and high-resolution images were computed. We show the requirement for a spatial filter to select properly sampled near-axis photons. Heterodyne holography is superior to off-axis digital holography for both field of view and resolution.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.25.000716