13 May 2013 Absolute testing of flats with all terms by using even and odd functions
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Abstract
In Cartesian coordinate system, a flat can be expressed as the sum of even-odd, odd-even, even-even and oddodd functions. In the traditional three-flat even and odd function method, odd-odd function is difficult to obtain. In our paper the odd-odd function can be solved by use the Dove prism which can rotate the optical axis. The odd-odd function can calculate exactly. The even-odd, odd-even, even-even can be solved by rotating the flat 180°like the traditional method. Only five configurations are used to test the flats. The theoretical derivation and analysis are presented.
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Xin Jia, Xin Jia, Fuchao Xu, Fuchao Xu, Tingwen Xing, Tingwen Xing, Zhixiang Liu, Zhixiang Liu, } "Absolute testing of flats with all terms by using even and odd functions", Proc. SPIE 8789, Modeling Aspects in Optical Metrology IV, 878911 (13 May 2013); doi: 10.1117/12.2019722; https://doi.org/10.1117/12.2019722
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