Self-calibration of a dual-actuated single-axis nanopositioner using measurement transitivity with extensions to calibration of two-axis systems

Young Hun Jeong; Jingyan Dong; Placid P. Ferreira

doi:10.1117/12.796101

9 September 2008 Self-calibration of a dual-actuated single-axis nanopositioner using measurement transitivity with extensions to calibration of two-axis systems

Young Hun Jeong, Jingyan Dong, Placid P. Ferreira

Author Affiliations +

Proceedings Volume 7042, Instrumentation, Metrology, and Standards for Nanomanufacturing II; 704206 (2008) https://doi.org/10.1117/12.796101
Event: NanoScience + Engineering, 2008, San Diego, California, United States

Abstract

In this paper we discuss a self-calibration technique for a dual-actuated, single-axis nanopositioner and extend ideas from this method to develop a calibration technique for a two-axis system. The proposed methods exploit concepts of measurement transitivity and redundancy that are will established in self-calibration theory. The developed method has been applied to a dual-actuated single-axis nanopositioner equipped with capacitive displacement sensors with a calibration error in the sub-nanometer range. For the two-axis system, the technique uses a right angle prism as an artifact to calibrate two orthogonal axes. Transitivity between the axes is obtained through the use of a redundant or 'dummy' uncalibrated sensor that maintains the hypotenuse of the right angle prism invariant during sets of measurements. Because, the approach relies on the accuracy of the prism, it cannot be considered to be a self-calibration technique. Nevertheless, experiments indicate that it calibrates a two-axis stage to within 1 nm of the prism.

Citation Download Citation

Young Hun Jeong, Jingyan Dong, and Placid P. Ferreira "Self-calibration of a dual-actuated single-axis nanopositioner using measurement transitivity with extensions to calibration of two-axis systems", Proc. SPIE 7042, Instrumentation, Metrology, and Standards for Nanomanufacturing II, 704206 (9 September 2008); https://doi.org/10.1117/12.796101

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