Speckle nulling wavefront control for Palomar and Keck

被引:25
作者
Bottom, Michael [1 ]
Femenia, Bruno [2 ]
Huby, Elsa [3 ]
Mawet, Dimitri [1 ]
Dekany, Richard [1 ]
Milburn, Jennifer [1 ]
Serabyn, Eugene [4 ]
机构
[1] CALTECH, Pasadena, CA 91125 USA
[2] WM Keck Observ, Waimea, HI USA
[3] Univ Liege, Liege, Wallonia, Belgium
[4] Jet Prop Lab, Pasadena, CA USA
来源
ADAPTIVE OPTICS SYSTEMS V | 2016年 / 9909卷
关键词
High contrast imaging; coronagraphy; adaptive optics; wavefront correction; ADAPTIVE OPTICS SYSTEM;
D O I
10.1117/12.2233025
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
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.
引用
收藏
页数:16
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