X-Ray Spectrometer Spectrograph Telescope System

E. C. Bruner, Jr.; L. W. Acton; W. A. Brown; S. W. Salat; A. Franks; G. Schmidtke; W. Schweizer; R. J. Speer

doi:10.1117/12.7972532

1 June 1980 X-Ray Spectrometer Spectrograph Telescope System

E. C. Bruner, Jr., L. W. Acton, W. A. Brown, S. W. Salat, A. Franks, G. Schmidtke, W. Schweizer, R. J. Speer

Author Affiliations +

Optical Engineering, Vol. 19, Issue 3, 193433 (June 1980). https://doi.org/10.1117/12.7972532

Abstract

We now describe a new sounding rocket payload that has been developed for x-ray spectroscopic studies of the solar corona. The instrument incorporates a grazing incidence Rowland mounted grating spectrograph and an extreme off-axis parabolic sector telescope to isolate regions of the sun of order 1 X10 arc seconds in size. The focal surface of the spectrograph is shared by photographic and photoelectric detection systems, with the latter serving as a part of the rocket pointing system control loop. Fabrication and alignment of the optical system are based on high precision machining and mechanical metrology techniques. The spectrograph covers the 10 to 50 angstrom interval and has a resolution of 16 milliangstroms in the current version. Modifications planned for future flights will improve the resolution to around 5 milliangstroms, permitting line widths to be measured.

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E. C. Bruner, Jr., L. W. Acton, W. A. Brown, S. W. Salat, A. Franks, G. Schmidtke, W. Schweizer, and R. J. Speer "X-Ray Spectrometer Spectrograph Telescope System," Optical Engineering 19(3), 193433 (1 June 1980). https://doi.org/10.1117/12.7972532

Published: 1 June 1980

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