Deflection of polarised radiation - Relative phase delay technique

Details Deflection of polarised radiation - Relative phase delay technique Deflection of polarised radiation - Relative phase delay technique

May 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978natur.273...33d&link_type=abstract

Nature, vol. 273, May 4, 1978, p. 33-35. Research supported by the Research Corp.;

Computer Science

1

Geodesic Lines, Gravitational Effects, Photons, Polarized Light, Ellipticity, Helios Satellites, Phase Shift

Scientific paper

The article discusses the geodesic motion of photons, considering particularly whether oppositely polarized photons fall at the same rate. It is assumed that orthogonally polarized photons would be equally deflected by the gravitational field of a nonrotating mass. Upon the introduction of rotation, the angular momentum of the deflecting source couples to the photon spin through gravitational field action. Thus there arise separate trajectories for orthogonal polarizations. Searching for changes in polarization in a deflected beam is accomplished by a relative phase delay technique. If the beam is split into orthogonal linear polarization, final polarization is elliptical. Experiments have been performed on searching for ellipticity developments in the linearly polarized carrier waves from Helios 1 and 2, and the results are presented.

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