Transition from paraxial to nonparaxial domain in diffractive optics

Jari Pekka Turunen; Frank Wyrowski; Eero Noponen

doi:10.1117/12.178086

17 June 1994 Transition from paraxial to nonparaxial domain in diffractive optics

Jari Pekka Turunen, Frank Wyrowski, Eero Noponen

Proceedings Volume 2152, Diffractive and Holographic Optics Technology; (1994) https://doi.org/10.1117/12.178086
Event: OE/LASE '94, 1994, Los Angeles, CA, United States

Abstract

We discuss the efficiency of diffractive elements in the intermediate region between the paraxial domain and the resonance domain of diffractive optics. In the paraxial domain, the efficiency is bounded from above by an upper limit provided by scalar diffraction theory. In the resonance domain, this limit can be exceeded. The transition that takes place as the element leaves the paraxial domain is illustrated by numerical simulations with exact electromagnetic diffraction theory, and interpreted with physical arguments. Our evidence indicates that the efficiency can rise substantially above the paraxial upper bound only if the signal effectively fills a half-space.

Citation Download Citation

Jari Pekka Turunen, Frank Wyrowski, and Eero Noponen "Transition from paraxial to nonparaxial domain in diffractive optics", Proc. SPIE 2152, Diffractive and Holographic Optics Technology, (17 June 1994); https://doi.org/10.1117/12.178086

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