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First Results From an Uncooled LWIR Polarimeter for Cubesat Deployment
A compact long-wave infrared (LWIR) channeled spectro-polarimeter (IRCSP) has been developed for integration into the NASA Earth Science Technology Office (ESTO) funded submm-wave and LWIR polarimeters project to measure the microphysical properties of cloud ice. Once deployed, the IRCSP will produce the first linear Stokes measurements ( S0 , S1 , S2 ) of upper-tropospheric cirrus clouds from 8.5 to 12.5 μm. For the first time, a compact, light-weight, and uncooled LWIR polarimeter with off-the-shelf thermal optical components is demonstrated. We report narrowband calibration measurements which quantify metrics of polarimetric system performance. The response of the system to linearly polarized light is shown to agree with both a Mueller matrix model and modulation function for narrowband calibration measurements with an R2 > 0.98 from 8 to 11 μm. The polarimetric efficiency is >0.8 from 8 to 11 μm for narrowband measurements indicating satisfactory performance of the polarization optics. Beyond 11 μm, the agreement is significantly reduced as thermal noise compounds with reduced detector response. Ultimately, the observed system performance is limited by the spectral response of the detector past 11 μm in addition to the thermal noise inherent for the measurements at room temperature.
Active Thermal Architecture for Cryogenic Optical Instrumentation (ATA): Active Thermal Control for CubeSats and Small-Satellites
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High Specific-Impulse Electrospray Explorer for Deep-Space (HiSPEED): Stage-Based Electrospray Propulsion System for CubeSats
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Development of New Research Quality Low Resource Magnetometers for Small Satellites: New Magnetometer Enables Boom-Less Cubesats
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Multibody simulation of REMORA CubeSat docking to and pushing a spent rocket booster
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A CubeSat-based radar for characterization of millimetric orbital debris
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MarCO: flight results from the first interplanetary CubeSat mission
On November 26, 2018, the MarCO spacecraft successfully flew by Mars while relaying entry-descent-and-landing telemetry for the InSight vehicle. Both spacecraft performed beyond expectations and were able to provide a realtime link for the so-called ”seven minutes of terror”. In addition, once InSight safely landed, it transmitted its first image of the Martian surface through MarCO. Over the following weeks, images of Mars and Phobos, performance and health information of the spacecraft, and historical data were all downlinked.