Off-plane gratings for Constellation-X | Zendy

Randall L. McEntaffer | Zendy; Webster C. Cash | Zendy; Ann F. Shipley | Zendy

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Off-plane gratings for Constellation-X

Author(s) -

Randall L. McEntaffer,

Webster C. Cash,

Ann F. Shipley

Publication year - 2003

Publication title -

proceedings of spie, the international society for optical engineering/proceedings of spie

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.192

H-Index - 176

eISSN - 1996-756X

pISSN - 0277-786X

DOI - 10.1117/12.461423

Subject(s) - constellation , optics , computer science , plane (geometry) , physics , geometry , mathematics , astronomy

A reflection grating spectrometer featuring off-plane, radial groove gratings for the Constellation-X mission will be presented. Preliminary work shows that off-plane designs can significantly enhance the scientific capabilities of the mission baseline design. Resolutions up to λ/∆λ~5000 can be achieved. The design accomplishes the mission goal for throughput and may also significantly reduce the assembly tolerances. Detailed raytracing and performance assessment of a strawman configuration are included.

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