2013
DOI: 10.1117/1.oe.52.9.091807
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Proton radiation testing of digital micromirror devices for space applications

Abstract: Scientists are interested in using digital micromirror devices (DMD) as slit-masks in multiobject spectrometers on future space missions. A favored orbit is at the second Lagrangian point (L2). A requirement for mission planning is to determine how long such microelectrical mechanical systems devices would remain operational given the L2 radiation environment, which is primarily composed of solar protons and cosmic rays. To this end, we initiated DMD proton testing. Three DMDs were irradiated with high-energy … Show more

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Cited by 9 publications
(4 citation statements)
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“…Radiation is, of course, a further critical issue for space missions [17] and will be analysed for this MMA technology in detail in future activities. First radiation test experiments on other MMA technologies, however, have already been carried out in the past [18], [19].…”
Section: Analysis and Test In Space Relevant Environmental Conditionsmentioning
confidence: 99%
“…Radiation is, of course, a further critical issue for space missions [17] and will be analysed for this MMA technology in detail in future activities. First radiation test experiments on other MMA technologies, however, have already been carried out in the past [18], [19].…”
Section: Analysis and Test In Space Relevant Environmental Conditionsmentioning
confidence: 99%
“…NASA has funded a Strategic Astrophysics Technology (SAT) program (PI Ninkov, ATLAS team member) to raise the TRL level of DMDs to TRL5-6 before the 2020 Decadal Survey. DMDs have successfully passed proton and heavy-ion irradiation testing (Fourspring et al 2013,Travinsky et al 2016. Following NASA General Environmental Verification Standard (GEVS), the team performed random vibration, sine burst, and mechanical shock testing of manufacturer-sealed DMDs (Vorobiev et al 2016) and of devices re-windowed for better UV and IR capabilities (Quijada et al 2016).…”
Section: Atlas Probe: Technology Driversmentioning
confidence: 99%
“…NASA has funded a Strategic Astrophysics Technology (SAT) program (PI Ninkov, ATLAS Probe core team member) to raise the TRL level of DMDs to TRL5-6 before the 2020 decadal survey. DMDs have successfully passed proton and heavy-ion irradiation testing (Fourspring et al 2013;Travinsky et al 2016). Following NASA General Environmental Verification Standard (GEVS), the team performed random vibration, sine burst, and mechanical shock testing of manufacturersealed DMDs (Vorobiev et al 2016) as well as of devices re-windowed for better UV and IR capabilities (Quijada et al 2016).…”
Section: Dmds and Controllermentioning
confidence: 99%