General sampling theorem and application in digital holography

Adrian Stern; Bahram Javidi

doi:10.1117/12.568620

22 October 2004 General sampling theorem and application in digital holography

Adrian Stern, Bahram Javidi

Proceedings Volume 5557, Optical Information Systems II; (2004) https://doi.org/10.1117/12.568620
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

Abstract

The most common sampling theorem is Shannon-Whittaker sampling theorem. While this theorem has been found very useful in many domains, there are cases in which it fails to determine the correct minimal sampling rate. Such a case is encountered in digital holography. It has been previously shown that a sampling rate that is lower than Nyquist rate can be applied in digital holography without loss of information. In this work we develop a generalization of the classical sampling theorem based on an analysis of the sampling process in Wigner domain. The generalized sampling criterion obtained is more widely applicable than Nyquist criterion. In particularly we demonstrate the application of this theorem in digital holography.

Citation Download Citation

Adrian Stern and Bahram Javidi "General sampling theorem and application in digital holography", Proc. SPIE 5557, Optical Information Systems II, (22 October 2004); https://doi.org/10.1117/12.568620

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