24-28 September 2017
Kazimierz Dolny, Poland
Europe/Warsaw timezone

Image formation in strong gravitational field: proximity of a Schwarzschild black hole’s horizon

26 Sep 2017, 14:50
1h
Kazimierz Dolny, Poland

Kazimierz Dolny, Poland

Dom Pracy Twórczej SDP ul. Małachowskiego 17 24-120 Kazimierz Dolny
Poster (preferred) Poster Session

Speaker

Katarzyna Chajnowska (Wroclaw University of Science and Technology, Faculty of Fundamental Problems of Technology)

Description

Wave optics aspects of image formation in strong gravitational fields (in a vicinity of a black hole’s horizon) are discussed. We consider two observers A and B placed (co) radially, r(A)<r(B) within Schwarzschild spacetime. The case of an image formation of an isotropic source of light placed at A in terms of lens arranged at B is analyzed. Emission (A) and propagation (AB) of the null geodesics results in the phase distribution (B), leading to the Airy’s rings pattern on the screen. This process is discussed in detail and illustrated. The comparison with the case of flat (Minkovski) spacetime is made. Research includes both static observers as well as observers freely falling toward an event horizon of a black hole.

Primary authors

Katarzyna Chajnowska (Wroclaw University of Science and Technology, Faculty of Fundamental Problems of Technology) Jan Masajada (Wroclaw University of Science and Technology, Department of Optics and Photonics) Andrzej Radosz (Wroclaw University of Science and Technology, Department of Quantum Technology)

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