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6 June 1995 Narcissus of diffrative optical surfaces
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Proceedings Volume 2426, 9th Meeting on Optical Engineering in Israel; (1995)
Event: Optical Engineering in Israel: 9th Meeting, 1994, Tel-Aviv, Israel
Narcissus is usually approximated by means of a paraxial ray trace through the optical system in the ordinary direction of light travel. An accurate calculation involves tracing real rays backwards from the detector to the reflecting surface, and back to the detector after reflection. It is shown that the diffractive order of maximum efficiency for a diffractive optical surface is different for transmitted and reflected radiation. This precludes the use of the paraxial approximation for calculating the effect of narcissus. The real ray method of calculation must be used with specific orders of diffraction based on their efficiencies.
© (1995) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jonathan B. Cohen "Narcissus of diffrative optical surfaces", Proc. SPIE 2426, 9th Meeting on Optical Engineering in Israel, (6 June 1995);


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