Speckle nulling wavefront control for Palomar and Keck

Michael Bottom; Bruno Femenia; Elsa Huby; Dimitri Mawet; Richard Dekany; Jennifer Milburn; Eugene Serabyn

doi:10.1117/12.2233025

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27 July 2016 Speckle nulling wavefront control for Palomar and Keck

Michael Bottom, Bruno Femenia, Elsa Huby, Dimitri Mawet, Richard Dekany, Jennifer Milburn, Eugene Serabyn

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Proceedings Volume 9909, Adaptive Optics Systems V; 990955 (2016) https://doi.org/10.1117/12.2233025
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

We present a speckle nulling code currently being used for high contrast imaging at the Palomar and Keck telescopes. The code can operate in open and closed loop and is self-calibrating, requiring no system model and minimal hand-coded parameters. Written in a modular fashion, it is straightforward to port to different instruments. It has been used with systems operating in the optical through thermal infrared, and can deliver nearly an order of magnitude improvement in raw contrast. We will be releasing this code to the public in the near future.

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Michael Bottom, Bruno Femenia, Elsa Huby, Dimitri Mawet, Richard Dekany, Jennifer Milburn, and Eugene Serabyn "Speckle nulling wavefront control for Palomar and Keck", Proc. SPIE 9909, Adaptive Optics Systems V, 990955 (27 July 2016); https://doi.org/10.1117/12.2233025

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