Radiation response of 1300-nm optoelectronic components in a natural space environment

Abstract
We report energy-dependent proton and Co-60 test results and analysis assessing performance of In0.53Ga0.47As photodetectors and In0.71Ga0.29As0.61P0.39 laser diodes for satellite applications. Calculations of the nonionizing energy loss (NIEL) for protons in InGaAs allow damage assessment using a general technique for evaluating displacement damage in orbit. Device performance is predicted for several shield thicknesses and orbital conditions. We also discuss effects in optoelectronic devices due to total dose and ionization transients.

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