Measuring space radiation with ADIS instruments

J. J. Connell; C. Lopate; R. B. McKibben; J. Merk

doi:10.1117/12.862228

26 August 2010 Measuring space radiation with ADIS instruments

J. J. Connell, C. Lopate, R. B. McKibben, J. Merk

Proceedings Volume 7817, Nanophotonics and Macrophotonics for Space Environments IV; 781704 (2010) https://doi.org/10.1117/12.862228
Event: SPIE Optical Engineering + Applications, 2010, San Diego, California, United States

Abstract

Measurements of radiation in space, cosmic rays and Solar energetic particles, date back to the dawn of space flight. Solid state detectors, the basis of most modern high energy charged particle instruments, first flew in space in the 1960's. Modern particle spectrometers, such as ACE/CRIS, ACE/SIS and Ulysses/HET, can measure the elemental and isotopic composition of ions through the iron peak. This is achieved by using position sensing detectors (PSD's) arranged into hodoscopes to measure particle trajectories through the instrument, allowing for pathlength corrections to energy loss measurements. The Angle Detecting Inclined Sensor (ADIS) technique measures particle angle of incidence using a simple system of detectors inclined to the instrument axis. It achieves elemental resolution well beyond iron, and isotopic resolution for moderate mass elements without the complexity of position sensing detectors. An ADIS instrument was selected to fly as the High Energy Particle Sensor (HEPS) on NPOESS, but was de-scoped with the rest of the space weather suite. Another ADIS instrument, the Energetic Heavy Ion Sensor (EHIS), is being developed for GOES-R. UNH has built and tested a engineering unit of the EHIS. Applications for manned dosimetery on the Crew Exploration Vehicle (CEV) are also being explored. The basic ADIS technique is explained and accelerator data for heavy ions shown.

Citation Download Citation

J. J. Connell, C. Lopate, R. B. McKibben, and J. Merk "Measuring space radiation with ADIS instruments", Proc. SPIE 7817, Nanophotonics and Macrophotonics for Space Environments IV, 781704 (26 August 2010); https://doi.org/10.1117/12.862228

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