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Wave Optics and Image Formation in Gravitational Lensing

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DOI: 10.4236/ijaa.2013.31001    3,008 Downloads   5,889 Views   Citations
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ABSTRACT

We investigate image formations in gravitational lensing systems using wave optics. Applying the Fresnel-Kirchhoff diffraction formula to waves scattered by a gravitational potential of a lens object, we demonstrate how images of source objects are obtained directly from wave functions without using a lens equation for gravitational lensing. As an example of image formation in gravitational lensing, images of a point source by a point mass gravitational lens are presented. These images reduce to those obtained by a ray tracing method in the geometric optics limit.

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Y. Nambu, "Wave Optics and Image Formation in Gravitational Lensing," International Journal of Astronomy and Astrophysics, Vol. 3 No. 1, 2013, pp. 1-7. doi: 10.4236/ijaa.2013.31001.

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