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Proceedings Paper

Measurement Of Coherence Of Radiation From Diffusely Illuminated Beam Splitters
Author(s): Karl M. Jauch; H. P. Baltes; Andrew S. Glass
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Paper Abstract

A variation of the Mach-Zehnder interferometric arrangement was used to show that both reversing and non reversing wave fronts produce peaks of the coherent function in the far zone when a beam splitter (such as a semi-mirror or a grating) is illuminated by diffuse laser light. The reversing case produces a much narrower coherent angle than the non-reversing case, which, in turn, can be much narrower than the diffuse radiant intensity pattern. A beam splitter hidden behind such a diffuser and detectable only by means of a coherent optical setup has potential applications for optical coding.

Paper Details

Date Published: 16 June 1983
PDF: 5 pages
Proc. SPIE 0369, Max Born Centenary Conf, (16 June 1983); doi: 10.1117/12.934443
Show Author Affiliations
Karl M. Jauch, Sodeco-Saia SA (Switzerland)
H. P. Baltes, LGZ Landis & Gyr Zug AG (Switzerland)
Andrew S. Glass, LGZ Landis & Gyr Zug AG (Switzerland)

Published in SPIE Proceedings Vol. 0369:
Max Born Centenary Conf
M. John Colles; D. William Swift, Editor(s)

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