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near-infrared spectroscopy 3adaptive optics 1binary star observations 1calibration system 1extreme precision radial velocity 1fiber-fed spectrograph 1high-resolution spectrograph 1instrument calibration 1optical alignment 1radial velocity 1radial velocity measurement 1single-mode fibers 1

From the 3 of 11 linked papers with an AI index.

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20242026
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physics.optics2026

Phase Retrieval using Nonlinear Curvature Sensing within Convergent Beams

Justin R. Crepp, Caleb G. Abbott, James Smous +2

Path-length diversity methods may be used for adaptive optics (AO) systems to retrieve phase and amplitude information by measuring intensity across multiple planes. Observations t…