An improved wide-field camera for imaging Earth's plasmasphere at 30.4 nm

Michael W. Davis; G. Randall Gladstone; Jerry Goldstein; Bill R. Sandel; Thomas K. Greathouse; Kurt D. Retherford; Gregory S. Winters

doi:10.1117/12.2024440

26 September 2013 An improved wide-field camera for imaging Earth's plasmasphere at 30.4 nm

Michael W. Davis, G. Randall Gladstone, Jerry Goldstein, Bill R. Sandel, Thomas K. Greathouse, Kurt D. Retherford, Gregory S. Winters

Author Affiliations +

Proceedings Volume 8859, UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XVIII; 88590U (2013) https://doi.org/10.1117/12.2024440
Event: SPIE Optical Engineering + Applications, 2013, San Diego, California, United States

Abstract

The Extreme Ultraviolet Imager (IMAGE/EUV) aboard NASA's IMAGE mission studied the distribution of singly ionized helium (He⁺) in the Earth's plasmasphere by imaging its emission at 30.4 nm. This instrument consisted of three separate camera heads, each with a 28° field-of-view, with 0.6°resolution. We describe an improved imaging system that can simultaneously image a 40° field-of-view with 0.45° resolution utilizing only one compact camera head and detector. This improved imager also increases sensitivity over the heritage EUV imager by a factor of four due to improvements in optical coatings, detector technology, and a larger entrance aperture.

Citation Download Citation

Michael W. Davis, G. Randall Gladstone, Jerry Goldstein, Bill R. Sandel, Thomas K. Greathouse, Kurt D. Retherford, and Gregory S. Winters "An improved wide-field camera for imaging Earth's plasmasphere at 30.4 nm", Proc. SPIE 8859, UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XVIII, 88590U (26 September 2013); https://doi.org/10.1117/12.2024440

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