title: Powers of the degree of coherence.
abstract: We establish conditions under which a legitimate degree of coherence of a statistically stationary beam-like field raised to a power results in a novel legitimate degree of coherence. The general results and examples relate to scalar beams having uniform and non-uniform correlations.
authors.forename: Zhangrong
authors.initials: Z
authors.lastname: Mei
authors.forename: Olga
authors.initials: O
authors.lastname: Korotkova
authors.forename: Yonghua
authors.initials: Y
authors.lastname: Mao