In this paper we present Big Bear Solar Observatory’s (BBSO) newest adaptive optics system – AO-308. AO-308 is a result of collaboration between BBSO and National Solar Observatory (NSO). AO-308 uses a 357 actuators deformable mirror (DM) from Xinetics and its wave front sensor (WFS) has 308 sub-apertures. The WFS uses a Phantom V7.3 camera which runs at 2000 Hz with the region of interest of 416×400 pixels. AO-308 utilizes digital signal processors (DSPs) for image processing. AO-308 has been successfully used during the 2013 observing season. The system can correct up to 310 modes providing diffraction limited images at all wavelengths of interest.
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Sergey Shumko ; Nicolas Gorceix ; Seonghwan Choi ; Aglaé Kellerer ; Wenda Cao, et al.
AO-308: the high-order adaptive optics system at Big Bear Solar Observatory
", Proc. SPIE 9148, Adaptive Optics Systems IV, 914835 (August 7, 2014); doi:10.1117/12.2056731; http://dx.doi.org/10.1117/12.2056731