Deformed surfaces in holographic interferometry: similar aspects in general gravitational fields

Walter Schumann

doi:10.1117/12.695378

15 September 2006 Deformed surfaces in holographic interferometry: similar aspects in general gravitational fields

Walter Schumann

Proceedings Volume 6341, Speckle06: Speckles, From Grains to Flowers; 63411M (2006) https://doi.org/10.1117/12.695378
Event: Speckle06: Speckles, From Grains to Flowers, 2006, Nimes, France

Abstract

In the first part some principles of the large deformation analysis in holographic Interferometry are briefly outlined. This may also give a link to the second part here. Modifications of the set-up at the reconstruction should recover the previously invisible fringes. The spacing and the contrast of them are characterized by the fringe and visibility vectors. The relevant derivative of the path difference involves the polar decomposition of the deformation gradient into strain and rotation and the image aberration implies further changes of geodesic curvature and of surface curvatures. In the second part these considerations lead then to similar aspects for hypersurfaces, before all to an interpretation by two virtual deformations for the Schwarzschild-solution of the gravitation. That is further usefull for non-spherical gravitational fields, for the invariants there and for the TOV-relation between pressure and density. The null-geodesics or light rays can also be interpreted by these virtual deformations. An approach towards the Kerr-solution for rotating stars is added. As for the linearisation a connection is outlined which confirms the non-existence of gravitational waves.

Citation Download Citation

Walter Schumann "Deformed surfaces in holographic interferometry: similar aspects in general gravitational fields", Proc. SPIE 6341, Speckle06: Speckles, From Grains to Flowers, 63411M (15 September 2006); https://doi.org/10.1117/12.695378

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