High-dynamic-range imaging: amplitude and phase control

Laurent A. Pueyo; Amir Give'on; Michael G. Littman; N. Jeremy Kasdin; Robert J. Vanderbei

doi:10.1117/12.551956

25 October 2004 High-dynamic-range imaging: amplitude and phase control

Laurent A. Pueyo, Amir Give'on, Michael G. Littman, N. Jeremy Kasdin, Robert J. Vanderbei

Proceedings Volume 5490, Advancements in Adaptive Optics; (2004) https://doi.org/10.1117/12.551956
Event: SPIE Astronomical Telescopes + Instrumentation, 2004, Glasgow, United Kingdom

Abstract

The ultimate limitation of visible light high-dynamic-range imaging systems such as shaped pupil coronagraphs comes from scattering caused by imperfections in the optical surfaces of the collecting system, and from the non-uniform reflectivity of those surfaces. This paper focuses on the correction of these imperfections using two deformable mirrors in a zero path length difference Michelson interferometer. Simulations show the advantages and limitations of introducing such a device into a wavefront control loop. Laboratory work shows progress towards high resolution amplitude control.

Citation Download Citation

Laurent A. Pueyo, Amir Give'on, Michael G. Littman, N. Jeremy Kasdin, and Robert J. Vanderbei "High-dynamic-range imaging: amplitude and phase control", Proc. SPIE 5490, Advancements in Adaptive Optics, (25 October 2004); https://doi.org/10.1117/12.551956

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