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Proceedings Paper

The Sagnac effect and the chirality of space time
Author(s): R. M. Kiehn
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Paper Abstract

It is known from measurements of beat frequencies of beam pairs extracted from single mode dual polarized ring lasers that the optical cavity can support four different phase velocities depending on left or right polarization and on clockwise or anticlockwise direction of travel. The topological theory of singular solutions to Maxwell's equations has demonstrated that these four modes are due to different Spinor pairs. Moreover, the theory demonstrates that the Lorentz Vacuum and the Chiral Vacuum can be formally indistinguishable, except for the impedance of free space (which can related to the determinant of a dynamic constitutive tensor and therefore to the chiral polarization and expansion coefficients involving Optical Activity and Faraday rotation). It is suggested that modifications of the dual polarized Sagnac ring laser with its resonance Q of 10+18 might permit the experimental detection of any chiral properties of space-time induced by intransitive motions (those with fixed points of rotation and expansion) that are not induced by transitive motions (translations).

Paper Details

Date Published: 31 August 2007
PDF: 13 pages
Proc. SPIE 6664, The Nature of Light: What Are Photons?, 66640L (31 August 2007); doi: 10.1117/12.738322
Show Author Affiliations
R. M. Kiehn, Univ. of Houston (United States)

Published in SPIE Proceedings Vol. 6664:
The Nature of Light: What Are Photons?
Chandrasekhar Roychoudhuri; Al F. Kracklauer; Katherine Creath, Editor(s)

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