2 papers
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…
astro-ph.IM2025
Jitter Sensing and Control for Multi-Plane Phase Retrieval
Caleb G. Abbott, Justin R. Crepp, Brian Sands
The family of multi-plane phase retrieval sensors, such as the curvature and nonlinear curvature wavefront sensors (WFS), contain tip/tilt information embedded in their signals. We…