Measurement and mitigation of metrology/starlight static beam shear error in the MAM testbed interferometer
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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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The observational technique of long baseline infrared interferometry provides a unique opportunity for studying the small scale structure of young stellar objects, particularly circumstellar disks and multiplicity. The technique of infrared interferometry is briefly described and observations of young stellar objects are reviewed.
In this presentation, we will discuss the development of this large format broadband infrared FPA based on a GaAs/AlGaAs materials system and its performance in quantum efficiency, noise equivalent differential temperature, uniformity, and operability.
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In this paper, the metrology pointing sensor of the Starlight ground instrument prototype is characterized and a siderostat pointing control loop is closed between two optical benches with a 10 meter separation.
This paper shows a complete model of the FIT pointing system.
The Space Interferometry Mission (SIM) relies on interferometry and metrology capable of measuring the change in the optical path difference with picometer accuracy.
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