Simplified solution of diffraction from a Lyot system

Details Simplified solution of diffraction from a Lyot system Simplified solution of diffraction from a Lyot system

Jan 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apopt..27...27w&link_type=abstract

Applied Optics (ISSN 0003-6935), vol. 27, Jan. 1, 1988, p. 27-29.

Physics

Optics

5

Coronagraphs, Light Scattering, Signal To Noise Ratios, Airy Function, Bessel Functions, Convolution Integrals, Fourier Transformation

Scientific paper

This paper presents a derivation of a simplified analytical solution of diffraction from a Lyot (1939) system designed for observation of the solar corona outside of eclipses. Applying the theorem of Papoulis (1986) to simplify the calculations, a simplified solution is derived which is found to be in reasonable agreement with the exact solution. The simplified solution suffices for the preliminary evaluation of the amount of diffraction reduction needed to meet certain system requirements and also serves as a guideline for further apodization.

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