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- W1973261623 abstract "Although rays form the basis of both our initiative thinking and our numerical modeling of optical systems, we must remember that they are no more than mathematical constructs with a relatively tenuous connection to the physical world. What's more, certain aspects of their link to wave-based models of optical systems have always been problematic. For example, the limit to what rays can tell us about the associated wave field remains unclear. The current state of the art is reviewed and a framework is then outlined that offers a more direct appreciation of these issues and promises extended capabilities for ray-based methods. The new approach involves modeling wave propagation by using--as an intermediate tool--a windowed Fourier transform of the field." @default.
- W1973261623 created "2016-06-24" @default.
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- W1973261623 date "1998-09-21" @default.
- W1973261623 modified "2023-09-26" @default.
- W1973261623 title "What on earth is a ray and how can we use them best?" @default.
- W1973261623 doi "https://doi.org/10.1117/12.321963" @default.
- W1973261623 hasPublicationYear "1998" @default.
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