Acta Optica Sinica, Volume. 21, Issue 4, 468(2001)
Self-Calibrating for Phase-Shifting Adapter Consisting of Three PZT
A self-calibrating method was proposed to calibrate the nonlinear of phase shifting adapter (PSA) consisting of three piezoelectric ceramics. Fast Fourier transform and linear polynomial fitting algorithms were used to rectify the nonlinearity of PSA, and fringe processing method was used to decline the rotation to 1° and the change of fringe distance to 2%. Experiments give testing results and show the priority of the calibrating method.
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[in Chinese], [in Chinese], [in Chinese], [in Chinese]. Self-Calibrating for Phase-Shifting Adapter Consisting of Three PZT[J]. Acta Optica Sinica, 2001, 21(4): 468