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Proceedings Paper

Wide-angle reciprocity relations between near and far fields
Author(s): Ari T. Friberg; Norbert Reng
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Paper Abstract

Reciprocal quantities are introduced in terms of the second moments associated with the near and far fields in wide- angle scalar wave propagation. Free fields are considered and conditions for the finiteness of the second moments are analyzed. Relations of the exact full-wave far field to the corresponding paraxial solution are established. Effects of polarization on wide-angle divergence are also briefly addressed.

Paper Details

Date Published: 20 November 1996
PDF: 9 pages
Proc. SPIE 2870, Third International Workshop on Laser Beam and Optics Characterization, (20 November 1996); doi: 10.1117/12.259892
Show Author Affiliations
Ari T. Friberg, Optisches Institut/Technische Univ. Berlin (Germany)
Norbert Reng, Laser- und Medizin-Technologie GmbH Berlin (Germany)

Published in SPIE Proceedings Vol. 2870:
Third International Workshop on Laser Beam and Optics Characterization
Michel Morin; Adolf Giesen, Editor(s)

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