NASA NTRS · 20040095901
Wavefront Control Testbed (WCT) Experiment Results
Abstract
The Wavefront Control Testbed (WCT) was created to develop and test wavefront sensing and control algorithms and software for the segmented James Webb Space Telescope (JWST). Last year, we changed the system configuration from three sparse aperture segments to a filled aperture with three pie shaped segments. With this upgrade we have performed experiments on fine phasing with line-of-sight and segment-to-segment jitter, dispersed fringe visibility and grism angle;. high dynamic range tilt sensing; coarse phasing with large aberrations, and sampled sub-aperture testing. This paper reviews the results of these experiments.
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Burns, Laura A., Basinger, Scott A., Campion, Scott D., Faust, Jessica A., Feinberg, Lee D., Hayden, William L., Lowman, Andrew E., Ohara, Catherine M., Petrone, Peter P., III. 2004-05-01. Wavefront Control Testbed (WCT) Experiment Results. https://ntrs.nasa.gov/citations/20040095901
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