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Optical caustics of multiple objects in water: Two vertical rods and normally incident light

: Selmke, M.; Lock, J.A.


Applied optics 59 (2020), No.26, pp.7981-7993
ISSN: 0003-6935
ISSN: 1539-4522
ISSN: 1559-128X
Journal Article
Fraunhofer IOF ()
circular cross-sections; combined water; genericity; molecular physics; optics

The optical caustics of the combined water menisci raised by two objects with identical circular cross sections show peculiar caustic metamorphoses known from binary gravitational lenses. We highlight their genericity and analyze the connection of the refracting interface topography and curvature landscape with the caustics’ (and their images’) topology.