The Emerging Field of Correlation Optics

Oleg V. Angelsky, Peter V. Polyanskii and Christina V. Felde

Correlation optics provides tools—both conceptual and experimental—for measuring various parameters of an optical field in partial coherence and polarization. This area of study could enable unique applications for industrial quality control, solid-state physics, medical diagnostics and ecological monitoring.



Illustration by Phil Saunders/

One of the most important concepts in optics is coherence. Initial investigations by Thomas Young and Augustin Fresnel linked coherence with the notion of polarization in the early 1800s. Over the years, many investigators have explored coherence and polarization, and scientists’ interest in these areas has grown steadily over the past 20 years.

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