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Proceedings Paper

Real-Time Minicomputer Control Of The 13 Wavefront Sensor
Author(s): Susan N. Landon; L. E. Schmutz; Steven J. Tubbs
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Paper Abstract

The data extraction and control functions of the Integrated Imaging Irradiance (0) Sensor have been implemented in software on a Data General Nova 3/12 minicomputer and used for real-time optical wavefront tilt correction. Two combinations of electronic front-end processing and software control, the faster of which can operate at information rates of up to 1 kHz, have been developed and analyzed. Critical timing considerations governing the operation of these programs in conjunction with the Data General DG/DAC analog-digital I/O interface are examined. Custom handlers which make optimal use of the DG/DAC hardware, real-time data collection and storage procedures, and off-line analysis and display software are discussed, and experimental results using the 13 Sensor optical breadboard under closed-loop computer control are presented.

Paper Details

Date Published: 8 August 1980
PDF: 7 pages
Proc. SPIE 0230, Minicomputers and Microprocessors in Optical Systems, (8 August 1980); doi: 10.1117/12.958817
Show Author Affiliations
Susan N. Landon, Adaptive Optics Associates,Inc. (United States)
L. E. Schmutz, Adaptive Optics Associates,Inc. (United States)
Steven J. Tubbs, Adaptive Optics Associates,Inc. (United States)

Published in SPIE Proceedings Vol. 0230:
Minicomputers and Microprocessors in Optical Systems
Chris L. Koliopoulos; Frederic M. Zweibaum, Editor(s)

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