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Applied Optics

Applied Optics


  • Vol. 45, Iss. 26 — Sep. 10, 2006
  • pp: 6657–6667

Stray-light analysis for the SCORE coronagraphs of HERSCHEL

Federico Landini, Marco Romoli, Silvano Fineschi, and Ester Antonucci  »View Author Affiliations

Applied Optics, Vol. 45, Issue 26, pp. 6657-6667 (2006)

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The HERSCHEL (Helium Resonance Scattering in the Corona and Heliosphere) suborbital mission scientific payload consists of two extreme ultraviolet (EUV) coronagraphs forming the SCORE (Sounding Coronagraph Experiment) and an EUV Sun disk imager. The mission will be of great importance for the investigation of solar wind dynamics by obtaining the first global image of the Sun (disk and corona) in the He ii 30.4   nm line. The most stringent requirement for the optical design of a coronagraph is stray-light reduction. We summarize the stray-light analysis for the SCORE coronagraphs, which are characterized by an innovative optical design, optimized for stray-light reduction.

© 2006 Optical Society of America

OCIS Codes
(000.4430) General : Numerical approximation and analysis
(050.1940) Diffraction and gratings : Diffraction
(050.1960) Diffraction and gratings : Diffraction theory
(220.2740) Optical design and fabrication : Geometric optical design
(260.1960) Physical optics : Diffraction theory

Original Manuscript: November 17, 2005
Revised Manuscript: April 6, 2006
Manuscript Accepted: April 21, 2006

Federico Landini, Marco Romoli, Silvano Fineschi, and Ester Antonucci, "Stray-light analysis for the SCORE coronagraphs of HERSCHEL," Appl. Opt. 45, 6657-6667 (2006)

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