Testing a nonmodulated pyramid wavefront sensor

Details Testing a nonmodulated pyramid wavefront sensor Testing a nonmodulated pyramid wavefront sensor

Oct 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004spie.5490.1304c&link_type=abstract

Advancements in Adaptive Optics. Edited by Domenico B. Calia, Brent L. Ellerbroek, and Roberto Ragazzoni. Proceedings of the SPI

Physics

Optics

2

Scientific paper

The use of a pyramid wavefront sensor without any kind of modulating device, dynamical or statical, is a tempting idea that is being considered in the actual design of some wavefront sensing systems. However, such a system has not yet been fully studied, as for the effect of static non-common path aberrations, which in an extreme case would leave the system working in a saturated regime. Here we analyze the performance of a sensor, with and without modulation, working under these conditions, with two approaches: In laboratory experiments with a pyramid wavefront sensor system working in open- and closed compensation and through numerical simulations.

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