Desert Oasis Mirage (2D)
Top: rendered view through a real hot-air refractive-index gradient. Bottom: the actual bent light-ray paths (Fermat/eikonal ray-curvature model).
Mirage:
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Ground Δn:
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Critical angle:
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Ground temperature
65°C
Ambient air temperature
28°C
Observer eye height
1.6 m
Heat-layer thickness
6 cm
Distance to oasis
140 m
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