Improvements in OTF measurement technique

Michael Schulz

doi:10.1117/12.140983

1 January 1993 Improvements in OTF measurement technique

Michael Schulz

Proceedings Volume 1781, Specification and Measurement of Optical Systems; (1993) https://doi.org/10.1117/12.140983
Event: Optical Systems Design '92, 1992, Berlin, Germany

Abstract

The uncertainty of optical transfer function (OTF) measurements of lens systems -- as one example of high-precision optical measurement technique -- can be greatly reduced by computer-aided measurement control and analysis. Improvements resulting in a high repeatability are described and the problems of some analysis concepts are discussed. With such a high repeatability (10^-3) and resolution possible, the influences of temperature and the resulting thermal expansion dynamics of the mechanical set-up and the measuring system itself become factors limiting the reproducibility. Realizations of temperature controlled or thermally insensitive designs are presented.

Citation Download Citation

Michael Schulz "Improvements in OTF measurement technique", Proc. SPIE 1781, Specification and Measurement of Optical Systems, (1 January 1993); https://doi.org/10.1117/12.140983

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