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Bubble opticsApplied Optics
- Markus Selmke
- received 09/12/2019; accepted 11/07/2019; posted 11/07/2019; Doc. ID 377762
- Abstract: Starting from a peculiar image observed below a bubble floating at a water-air interface, this article analyzes several optical properties of these special types of refracting objects (coined bubble axicons). Using mainly geometrical optics, their relation to common axicons, the shadow sausage effect and elementary optical catastrophes (caustics) are discussed.