Testing a nonmodulated pyramid wavefront sensor

Joana Buechler Costa; Micaela Stumpf; Markus Feldt

doi:10.1117/12.551772

25 October 2004 Testing a nonmodulated pyramid wavefront sensor

Joana Buechler Costa, Micaela Stumpf, Markus Feldt

Proceedings Volume 5490, Advancements in Adaptive Optics; (2004) https://doi.org/10.1117/12.551772
Event: SPIE Astronomical Telescopes + Instrumentation, 2004, Glasgow, United Kingdom

Abstract

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.

Citation Download Citation

Joana Buechler Costa, Micaela Stumpf, and Markus Feldt "Testing a nonmodulated pyramid wavefront sensor", Proc. SPIE 5490, Advancements in Adaptive Optics, (25 October 2004); https://doi.org/10.1117/12.551772

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