Metrology truss demonstration with the Kite testbed
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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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A multi-channel heterodyne laser interferometer is proposed for measurement of optical surface deformations at the sub-nanometer level.
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This paper describes the use of a Hartmann-type pupil mask and CCD Camera to perform wavefront and focus validation of the Hubble Space Telescope simulator before and during environmental testing of the second-generation Wide Field and Planetary Camera.
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A multi-channel heterodyne laser interferometer is proposed for the JPL Thermo-Opto-Mechanical Testbed, which requires the measurement of optical surface deformations at the sub-nanometer level.
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The MSTAR sensor is a new system for measuring absolute distance, capable of resolving the integer cycle ambiguity of standard interferometers, and making it possible to measure distance with subnanometer accuracy.