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3 December 2014 Sub-arcsecond precision detection for micro rolling angle by point array
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Point array is proposed as the cooperated target to achieve the precise detection for rolling angle in an optical collimated path. The point array image is generated according to the rolling angle, and the algorithm for precise rolling angle detection is described. The factors which impact the detection error of the rolling angle are analyzed in detail. The results of numerical simulations indicated that sub-arcsecond precision detection for rolling angle is achieved by point array, which is superior to that attained by any other targets.
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Yang Gao, Xingshu Wang, Dejun Zhan, and Wei Wu "Sub-arcsecond precision detection for micro rolling angle by point array", Proc. SPIE 9297, International Symposium on Optoelectronic Technology and Application 2014: Laser and Optical Measurement Technology; and Fiber Optic Sensors, 92970A (3 December 2014);

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