Degree of coherence for vectorial electromagnetic fields as the distance between correlation matrices | Zendy

Alfredo Luis | Zendy

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Degree of coherence for vectorial electromagnetic fields as the distance between correlation matrices

Author(s) -

Alfredo Luis

Publication year - 2007

Publication title -

journal of the optical society of america a

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.803

H-Index - 158

eISSN - 1520-8532

pISSN - 1084-7529

DOI - 10.1364/josaa.24.001063

Subject(s) - degree of coherence , coherence (philosophical gambling strategy) , coherence theory , physics , interferometry , optics , mutual coherence , electromagnetic field , scalar (mathematics) , coherence length , degree (music) , visibility , electromagnetic radiation , matrix (chemical analysis) , mathematical analysis , mathematics , quantum mechanics , geometry , superconductivity , acoustics , materials science , composite material

We assess the degree of coherence of vectorial electromagnetic fields in the space-frequency domain as the distance between the cross-spectral density matrix and the identity matrix representing completely incoherent light. This definition is compared with previous approaches. It is shown that this distance provides an upper bound for the degree of coherence and visibility for any pair of scalar waves obtained by linear combinations of the original fields. This same approach emerges when applying a previous definition of global coherence to a Young interferometer.

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