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3 June 2007 A complete ray-trace analysis of the Mirage toy
Sriya Adhya, John W. Noé
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Proceedings Volume 9665, Tenth International Topical Meeting on Education and Training in Optics and Photonics; 966518 (2007) https://doi.org/10.1117/12.2207520
Event: Tenth International Topical Meeting on Education and Training in Optics and Photonics, 2007, Ottawa, Ontario, Canada
Abstract
The ‘Mirage’ (Opti-Gone International) is a well-known optics demonstration (PIRA index number 6A20.35) that uses two opposed concave mirrors to project a real image of a small object into space. We studied image formation in the Mirage by standard 2x2 matrix methods and by exact ray tracing, with particular attention to additional real images that can be observed when the mirror separation is increased beyond one focal length. We find that the three readily observed secondary images correspond to 4, 6, or 8 reflections, respectively, contrary to previous reports.
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Sriya Adhya and John W. Noé "A complete ray-trace analysis of the Mirage toy", Proc. SPIE 9665, Tenth International Topical Meeting on Education and Training in Optics and Photonics, 966518 (3 June 2007); https://doi.org/10.1117/12.2207520
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KEYWORDS
Mirrors
Reflection
Ray tracing
Geometrical optics
Patents
Chemical elements
Monochromatic aberrations
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