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Proceedings Paper

Study of optical phase change measurement using the Hilbert Transform and interferometric techniques
Author(s): Joseph A. Duperre; Carlos O. Font; G. Charmaine Gilbreath; David Bonanno; Eshani Tarpara; Alexander Golden
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Paper Abstract

Advances in the fields of optics and optical communications have created a demand for effectively measuring relative phase changes along an optical path or within an optical system. We present a method for obtaining these measurements using an interferometric setup with processing involving Empirical Mode Decomposition and the Hilbert Transform. In this work, the Hilbert Transform algorithm is justified by accurately measuring the phase changes in software generated signals. Progress and improvements are shown regarding the ongoing design and implementation of an experimental benchtop setup. This testbed will prove the method in applications such as measuring and recording phase changes caused by propagating light through a turbulent freespace channel.

Paper Details

Date Published: 10 February 2011
PDF: 9 pages
Proc. SPIE 7924, Atmospheric and Oceanic Propagation of Electromagnetic Waves V, 79240B (10 February 2011); doi: 10.1117/12.877704
Show Author Affiliations
Joseph A. Duperre, U.S. Naval Research Lab. (United States)
Carlos O. Font, U.S. Naval Research Lab. (United States)
G. Charmaine Gilbreath, U.S. Naval Research Lab. (United States)
David Bonanno, U.S. Naval Research Lab. (United States)
Eshani Tarpara, U.S. Naval Research Lab. (United States)
Alexander Golden, U.S. Naval Research Lab. (United States)


Published in SPIE Proceedings Vol. 7924:
Atmospheric and Oceanic Propagation of Electromagnetic Waves V
Olga Korotkova, Editor(s)

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