New method to improve measurement accuracy of modulation transfer function

Zongxi Song; Wei Gao; Yan Zhou; Feng Liu

doi:10.1117/12.867707

11 October 2010 New method to improve measurement accuracy of modulation transfer function

Zongxi Song, Wei Gao, Yan Zhou, Feng Liu

Proceedings Volume 7656, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment; 76561N (2010) https://doi.org/10.1117/12.867707
Event: 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies, 2010, Dalian, China

Abstract

Modulation transfer function (MTF) of optical systems is often derived by taking Fourier transform (FT) of a measured line spread function (LSF). During MTF measurement process, the measurement accuracy of MTF will decrease as a result when LSF computed is not veracity. Based on the model constructed using the variance information of knife-edge and skew of the knife-edge, this paper presents a new method to improve the accuracy of measurement of MTF. The results showed that the new method can improve the accuracy of MTF to 0.01.

Citation Download Citation

Zongxi Song, Wei Gao, Yan Zhou, and Feng Liu "New method to improve measurement accuracy of modulation transfer function", Proc. SPIE 7656, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 76561N (11 October 2010); https://doi.org/10.1117/12.867707

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