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On-ground simulation of the proton spectrum in space

  • Hai Liu*
  • , Minchao Guan
  • , Shiyu He
  • , Dezhuang Yang
  • , Huaiyi Wang
  • , V. V. Abraimov
  • *Corresponding author for this work
  • Harbin Institute of Technology
  • Academy of China
  • NASU - B. Verkin Institute for Low Temperature Physics and Engineering

Research output: Contribution to journalConference articlepeer-review

Abstract

The distribution of proton energy losses in optical parts including optical lenses and mirrors was calculated using SRIM program, based on Mont Carlo method. The effect of proton energy on the optical spectrum of lenses and mirrors was also investigated through irradiation experiments, with the proton energy varying from 0.03 to 1 MeV. An approach of on-ground simulation of the proton spectrum in space was proposed taking into account the different characteristics of proton spectra in the radiation belt, solar cosmic ray, and galactic cosmic rays in GEO as well as the corresponding distribution of energy loss in optical parts.

Original languageEnglish
Pages (from-to)629-636
Number of pages8
JournalAIP Conference Proceedings
Volume1087
DOIs
StatePublished - 2009
Event9th International Conference on Protection of Materials and Structures From Space Environment, ICPMSE-9 - Toronto, ON, Canada
Duration: 20 May 200823 May 2008

Keywords

  • Lens
  • Mirror
  • On-ground simulation
  • Optical spectrum
  • Proton energy spectrum

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