Geometrical Theory Of Diffraction And Telescope Stray-Light Analysis

R. J. Noll

doi:10.1117/12.957396

27 September 1979 Geometrical Theory Of Diffraction And Telescope Stray-Light Analysis

R. J. Noll

Proceedings Volume 0183, Space Optics II; (1979) https://doi.org/10.1117/12.957396
Event: 1979 Huntsville Technical Symposium, 1979, Huntsville, United States

Abstract

In today's telescopes, especially the infrared telescopes the importance of controlling diffraction effects impacts directly on the form of the optical design chosen for a given mission. It is of paramount importance that the designer understand the diffraction processes involved. It has been found that the geometrical theory of diffraction, developed over the last 20 years, provides a lucid picture of the diffraction processes and provides a convenient computational tool for evaluating them. The nature of the geometrical theory of diffraction is briefly reviewed. Application of the concepts to typical telescope diffraction problems is discussed. It is shown that the geometrical theory of diffraction provides a useful conceptual picture of the diffraction process especially multiple diffraction processes. The importance and sizes of telescope stops required to minimize diffraction effects in telescopes are discussed.

Citation Download Citation

R. J. Noll "Geometrical Theory Of Diffraction And Telescope Stray-Light Analysis", Proc. SPIE 0183, Space Optics II, (27 September 1979); https://doi.org/10.1117/12.957396

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