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Noninverted images in inferior mirages.
1Kernfysisch Versneller Instituut, University of Groningen, Groningen, The Netherlands. vdwerf@kvi.nl
Applied Optics
|October 22, 2011
Summary
Inferior mirages on hot roads create multiple, sometimes upright, reflected images. This phenomenon is caused by subtle road surface undulations, confirmed by photographic evidence and ray tracing analysis.
Area of Science:
- Optics
- Atmospheric Physics
Background:
- Inferior mirages are optical phenomena observed over heated surfaces like roads.
- These mirages often present as distinct strips with multiple reflected images.
Purpose of the Study:
- To explain the formation of multiple and non-inverted reflected images in inferior mirages.
- To investigate the role of road surface topography in mirage formation.
Main Methods:
- Analysis of photographic evidence of road mirages.
- Conducting a ray tracing study to model light propagation.
Main Results:
- Inferior mirages exhibit multiple reflected images due to road surface undulations.
- Some reflected images in these mirages are not inverted, contrary to typical reflections.
Conclusions:
- Subtle variations in road surface geometry are the primary cause of complex inferior mirage characteristics.
- Ray tracing simulations validate the optical principles governing these observed mirage effects.
