2023
DOI: 10.1109/jphot.2023.3271985
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Fiber-Connected Wavefront-Sensing System for Large Segmented Space Telescopes

Abstract: A metrology system capable of cofocusing and cophasing is essential to ensure the performance of large segmented space telescopes, similar to that of monolithic telescopes, as well as to image the faintest galaxies. A fiber-linked-wavefront-sensing system can map pupils from 10 m to 0.1 mm, avoiding the volume, weight, power, and dispersion limitations of free-space light paths. In this study, the coupling efficiency was investigated while cofocusing on the telescope-mirror segments. Fiber-linked-channel-spect… Show more

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