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An optical n-body gravitational lens analogy

: Selmke, M.

Volltext ()

American journal of physics 89 (2021), Nr.1, S.11-20
ISSN: 0002-9505 (Print)
ISSN: 0096-0322 (print)
ISSN: 1943-2909 (online)
Zeitschriftenaufsatz, Elektronische Publikation
Fraunhofer IOF ()

Raised menisci around small discs positioned to pull up a water-air interface provide a highly controllable experimental setup capable of reproducing much of the rich phenomenology of gravitational lensing (or microlensing) by n-body clusters. Results are shown for single, binary, and triple mass systems. The scheme represents a versatile testbench for the (astro)physics of general relativity's gravitational lens effects, including high multiplicity imaging of extended sources.