Gori F, Santarsiero M. Devising genuine spatial correlation functions.
OPTICS LETTERS 2007;
32:3531-3533. [PMID:
18087532 DOI:
10.1364/ol.32.003531]
[Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
The choice of the mathematical form of spatial correlation functions for optical fields is restricted by the constraint of nonnegative definiteness. We discuss a sufficient condition for ensuring the satisfaction of such a constraint.
Collapse