Theoretical study of the occulted solar coronagraph

Qian Gong; Dennis Socker

doi:10.1117/12.549275

15 October 2004 Theoretical study of the occulted solar coronagraph

Qian Gong, Dennis Socker

Proceedings Volume 5526, Optical Systems Degradation, Contamination, and Stray Light: Effects, Measurements, and Control; (2004) https://doi.org/10.1117/12.549275
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

Abstract

This paper presents a theoretical study of diffraction driven instrumental stray light present in the coronagraph optical system. The externally occulted solar coronagraph is emphasized. Basic design rules are provided for future coronagraph designs. Physical insight of the occulting efficiency for multiple-disk occulters is discussed. The relationships among the internal occulter, external occulter, and Lyot stop is addressed in detail. A new approach is proposed to further reduce the inner Field Of View (FOV) cutoff without sacrificing the outer FOV.

Citation Download Citation

Qian Gong and Dennis Socker "Theoretical study of the occulted solar coronagraph", Proc. SPIE 5526, Optical Systems Degradation, Contamination, and Stray Light: Effects, Measurements, and Control, (15 October 2004); https://doi.org/10.1117/12.549275

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