Real-time distributed processing in the Mt. Wilson 100-inch Hooker telescope adaptive optics system

Details Real-time distributed processing in the Mt. Wilson 100-inch Hooker telescope adaptive optics system Real-time distributed processing in the Mt. Wilson 100-inch Hooker telescope adaptive optics system

Jun 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000spie.4009..411s&link_type=abstract

Proc. SPIE Vol. 4009, p. 411-420, Advanced Telescope and Instrumentation Control Software, Hilton Lewis; Ed.

Physics

Optics

Scientific paper

The Adoptics software used with the Hooker telescope's ADOPT adaptive optics system implements real-time control on a network of eight Texas Instruments C40 40Mhz DSP processors. System inputs and outputs consist of a 32 port 4 fiber wavefront sensor CCD with 32 X 32 pixels, a tilt mirror and a deformable mirror of which 241 elements are actively controlled. The network os eight DSP processors is configured as two cross-connected rings of four processors each. Four input sites perform intensity and gradient calculations immediately on incoming pixels as well as passing pixels on to adjacent sites for parallel calculations.

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