4: Schematic of Knife-Edge test for an Aberrated Lens: The is figure

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Download scientific diagram | 4: Schematic of Knife-Edge test for an Aberrated Lens: The is figure shows schematically the sorting of the rays in the focal plane by the knife edge. The example of a spherically aberrated lens is used. In this case rays passing through the lens at the edges focus at a point on the optical axis before the paraxial rays. This generates the shadow pattern seen by the observer shown schematically on the left. from publication: A Study of the Pyramid Sensor: Analytic Theory, Simulation and Experiment | The Pyramid Sensor (PS) is a promising wavefront sensor (WFS) for astronomical adaptive optics (A0) due to its potential to increase the number of accessible scientific targets by more efficiently using guide star (GS) photons. This so-called magnitude gain, as well as the | ps, Sensors and Wavefront Sensing | ResearchGate, the professional network for scientists.

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