SYSTEM DESIGN REVIEW ATST Wavefront Correction System July
- Slides: 11
SYSTEM DESIGN REVIEW ATST Wavefront Correction System July, 2007 a. O Hardware and Software
2 a. O Wavefront Sensor Field Stop Motor, Translate Along Z Motor, Close & Pinhole Lenslet Array Motor, Translate Rotate Along Y Along X About Z Filters Motor, Translate Along Z Zoom lens Motor, Rotate About Y Camera Motor, Rotate About X
3 a. O Lenslet Array
4 Images on Camera 2’ = 192 pixels 1546 pixels 1344 Pixels
5 a. O Subaperture Image 2’, 192 pixels 20”, 32 pixels
6 Subfield Positions 20” = 32 pixels 2’ = 192 pixels 1546 pixels 1344 Pixels
7 DALSA 4 M 30 • 2300 x 1700 pixels • 30 fps • well depth 60, 000 e
8 Real. Time Data Processing Off Scale Slope Tol. Operating Parameters Dark Field Flat Field WFS Camera Ref Image XCORR Slope Computation Reconstruction Matrix Calibration Data Slope Offsets Off Scale Slope Detection Real Time Processing Data Collection External Interface Common Services Matrix Multiply Zernike Off load process Mode Control Telescope Control System Global Interlock System Wavefront Control System
9 Active Optics Camera 1546 x 1344 10 fps Frame Grabber WCCS Intel Processor PC Linux RT
10 ICD 2. 1 – 2. 3 Control Mount M 1 WCCS Average Zernikes on aperture shifts TCS a. O M 2 M 3 M 6 Operator GUI Data and Control
SYSTEM DESIGN REVIEW ATST Wavefront Correction System July, 2007 a. O Hardware and Software
